D/ldc
1
0
Fork 0
mirror of https://github.com/xomboverlord/ldc.git synced 2026-04-21 19:29:03 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity
Files
34699bbb07a8a83392a92b720aa6aacdd2b79649
ldc/gen/toir.c
Tomas Lindquist Olsen 34699bbb07 [svn r5] Initial commit. Most things are very rough.
2007-09-01 21:43:27 +02:00

2911 lines
82 KiB
C
Raw Blame History

// Backend stubs
/* DMDFE backend stubs
* This file contains the implementations of the backend routines.
* For dmdfe these do nothing but print a message saying the module
* has been parsed. Substitute your own behaviors for these routimes.
*/
#include <stdio.h>
#include <math.h>
#include <sstream>
#include <fstream>
#include <iostream>
#include "llvm/Type.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Constants.h"
#include "llvm/Instructions.h"
#include "llvm/IntrinsicInst.h"
#include "llvm/CallingConv.h"
#include "total.h"
#include "init.h"
#include "symbol.h"
#include "mtype.h"
#include "hdrgen.h"
#include "irstate.h"
#include "elem.h"
#include "port.h"
#include "logger.h"
#include "tollvm.h"
#include "runtime.h"
//////////////////////////////////////////////////////////////////////////////////////////
elem* DeclarationExp::toElem(IRState* p)
{
Logger::print("DeclarationExp::toElem: %s | T=%s\n", toChars(), type->toChars());
LOG_SCOPE;
elem* e = new elem;
// variable declaration
if (VarDeclaration* vd = declaration->isVarDeclaration())
{
Logger::println("VarDeclaration");
// handle const
// TODO probably not correct
bool isconst = (vd->storage_class & STCconst) != 0;
// allocate storage on the stack
Logger::println("vdtype = %s", vd->type->toChars());
const llvm::Type* lltype = LLVM_DtoType(vd->type);
llvm::AllocaInst* allocainst = new llvm::AllocaInst(lltype, vd->toChars(), p->topallocapoint());
//allocainst->setAlignment(vd->type->alignsize()); // TODO
vd->llvmValue = allocainst;
// e->val = really needed??
LLVM_DtoInitializer(vd->type, vd->init);
}
// struct declaration
else if (StructDeclaration* s = declaration->isStructDeclaration())
{
Logger::println("StructDeclaration");
s->toObjFile();
}
// unsupported declaration
else
{
error("Only Var/Struct-Declaration is supported for DeclarationExp");
fatal();
}
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* VarExp::toElem(IRState* p)
{
Logger::print("VarExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
elem* e = new elem;
assert(var);
if (VarDeclaration* vd = var->isVarDeclaration())
{
Logger::println("VarDeclaration");
if (TypeInfoDeclaration* tid = vd->isTypeInfoDeclaration())
{
Logger::println("TypeInfoDeclaration");
}
// this must be a dollar expression or some other magic value
if (!vd->llvmValue)
{
// dollar
if (!p->arrays.empty())
{
llvm::Value* zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
llvm::Value* tmp = new llvm::GetElementPtrInst(p->arrays.back(),zero,zero,"tmp",p->scopebb());
e->val = new llvm::LoadInst(tmp,"tmp",p->scopebb());
e->type = elem::VAL;
}
// magic
else
{
if (TypeInfoDeclaration* tid = vd->isTypeInfoDeclaration())
{
tid->toObjFile();
e->mem = tid->llvmValue;
e->type = elem::VAR;
}
else
assert(0 && "only magic supported is typeinfo");
}
return e;
}
// function parameter
if (vd->storage_class & STCparameter) {
Logger::println("function param");
if (vd->storage_class & (STCref | STCout)) {
e->mem = vd->llvmValue;
e->type = elem::VAR;
}
else {
if (vd->type->ty == Tstruct || vd->type->ty == Tdelegate || vd->type->ty == Tarray) {
e->mem = vd->llvmValue;
e->type = elem::VAR;
}
else {
e->val = vd->llvmValue;
e->type = elem::VAL;
}
}
}
else {
e->mem = vd->llvmValue;
//e->mem->setName(toChars());
e->vardecl = vd;
e->type = elem::VAR;
}
}
else if (FuncDeclaration* fdecl = var->isFuncDeclaration())
{
Logger::println("FuncDeclaration");
if (fdecl->llvmValue == 0) {
fdecl->toObjFile();
}
e->val = fdecl->llvmValue;
e->type = elem::FUNC;
e->funcdecl = fdecl;
}
else if (SymbolDeclaration* sdecl = var->isSymbolDeclaration())
{
// this seems to be the static initialiser for structs
Logger::print("Sym: type=%s\n", sdecl->type->toChars());
assert(sdecl->type->ty == Tstruct);
//assert(sdecl->llvmInitZ);
//e->val = sdecl->llvmInitZ;
TypeStruct* ts = (TypeStruct*)sdecl->type;
e->mem = ts->llvmInit;
assert(e->mem);
e->type = elem::VAR;
}
else
{
assert(0 && "Unimplemented VarExp type");
}
assert(e->mem || e->val);
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* IntegerExp::toElem(IRState* p)
{
Logger::print("IntegerExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
elem* e = new elem;
const llvm::Type* t = LLVM_DtoType(type);
if (llvm::isa<llvm::PointerType>(t)) {
llvm::Constant* i = llvm::ConstantInt::get(LLVM_DtoSize_t(),(uint64_t)value,false);
e->val = llvm::ConstantExpr::getIntToPtr(i, t);
}
else if (llvm::isa<llvm::IntegerType>(t)) {
e->val = llvm::ConstantInt::get(t,(uint64_t)value,!type->isunsigned());
}
else {
assert(0);
}
e->type = elem::CONST;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* RealExp::toElem(IRState* p)
{
Logger::print("RealExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
elem* e = new elem;
e->val = llvm::ConstantFP::get(LLVM_DtoType(type),value);
e->type = elem::CONST;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* NullExp::toElem(IRState* p)
{
Logger::print("NullExp::toElem(type=%s): %s\n", type->toChars(),toChars());
LOG_SCOPE;
elem* e = new elem;
const llvm::Type* t = LLVM_DtoType(type);
if (llvm::isa<llvm::StructType>(t))
t = llvm::PointerType::get(t);
Logger::cout() << *t << '\n';
e->val = llvm::Constant::getNullValue(t);
assert(e->val);
Logger::cout() << *e->val << '\n';
e->type = elem::NUL;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* StringExp::toElem(IRState* p)
{
Logger::print("StringExp::toElem: %s\n", toChars());
LOG_SCOPE;
assert(type->next->ty == Tchar && "Only char is supported");
assert(sz == 1);
const llvm::Type* ct = LLVM_DtoType(type->next);
//printf("ct = %s\n", type->next->toChars());
const llvm::ArrayType* at = llvm::ArrayType::get(ct,len+1);
uint8_t* str = (uint8_t*)string;
std::string cont((char*)str, len);
llvm::Constant* _init = llvm::ConstantArray::get(cont,true);
llvm::GlobalValue::LinkageTypes _linkage = llvm::GlobalValue::InternalLinkage;//WeakLinkage;
llvm::GlobalVariable* gvar = new llvm::GlobalVariable(at,true,_linkage,_init,"stringliteral",gIR->module);
llvm::Value* zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
llvm::Value* arrptr = new llvm::GetElementPtrInst(gvar,zero,zero,"tmp",p->scopebb());
elem* e = new elem;
if (type->ty == Tarray) {
llvm::Value* arr = p->toplval();
LLVM_DtoSetArray(arr, llvm::ConstantInt::get(LLVM_DtoSize_t(),len,false), arrptr);
}
else if (type->ty == Tpointer) {
e->mem = arrptr;
}
else {
assert(0);
}
e->inplace = true;
e->type = elem::VAL;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* AssignExp::toElem(IRState* p)
{
Logger::print("AssignExp::toElem: %s | %s = %s\n", toChars(), e1->type->toChars(), e2->type->toChars());
LOG_SCOPE;
assert(e1 && e2);
p->inLvalue = true;
elem* l = e1->toElem(p);
p->inLvalue = false;
p->lvals.push_back(l->mem);
elem* r = e2->toElem(p);
p->lvals.pop_back();
assert(l->mem);
//e->val = l->store(r->getValue());
TY e1ty = e1->type->ty;
TY e2ty = e2->type->ty;
elem* e = new elem;
// struct
if (e1ty == Tstruct) {
// struct + struct
if (e2ty == Tstruct) {
// struct literals do the assignment themselvs (in place)
if (!r->inplace) {
TypeStruct* ts = (TypeStruct*)e2->type;
assert(r->mem);
LLVM_DtoStructCopy(ts,l->mem,r->mem);
}
else {
e->inplace = true;
}
}
// struct + const int
else if (e2->type->isintegral()){
IntegerExp* iexp = (IntegerExp*)e2;
assert(iexp->value == 0 && "Only integral struct initializer allowed is zero");
TypeStruct* st = (TypeStruct*)e1->type;
LLVM_DtoStructZeroInit(st, l->mem);
}
// :x
else
assert(0 && "struct = unknown");
}
else if (e1ty == Tsarray) {
assert(0 && "static array = not supported");
}
else if (e1ty == Tarray) {
if (e2->type->isscalar() || e2->type->ty == Tclass){
LLVM_DtoArrayInit(l->mem, r->getValue());
}
else if (e2ty == Tarray) {
//new llvm::StoreInst(r->val,l->val,p->scopebb());
if (r->type == elem::NUL) {
llvm::Constant* c = llvm::cast<llvm::Constant>(r->val);
assert(c->isNullValue());
LLVM_DtoNullArray(l->mem);
}
else if (r->type == elem::SLICE) {
if (l->type == elem::SLICE)
LLVM_DtoArrayCopy(l,r);
else
LLVM_DtoSetArray(l->mem,r->arg,r->mem);
}
else {
// new expressions write directly to the array reference
// so do string literals
if (!r->inplace) {
assert(r->mem);
LLVM_DtoArrayAssign(l->mem, r->mem);
}
else {
e->inplace = true;
}
}
}
else
assert(0);
}
else if (e1ty == Tpointer) {
if (e2ty == Tpointer) {
llvm::Value* v = r->field ? r->mem : r->getValue();
Logger::cout() << "*=*: " << *v << ", " << *l->mem << '\n';
new llvm::StoreInst(v, l->mem, p->scopebb());
}
else
assert(0);
}
else if (e1ty == Tclass) {
if (e2ty == Tclass) {
llvm::Value* tmp = r->getValue();
Logger::cout() << "tmp: " << *tmp << ", " << *l->mem << '\n';
new llvm::StoreInst(tmp, l->mem, p->scopebb());
}
else
assert(0);
}
else if (e1ty == Tdelegate) {
Logger::println("Assigning to delegate");
if (e2ty == Tdelegate) {
if (r->type == elem::NUL) {
llvm::Constant* c = llvm::cast<llvm::Constant>(r->val);
if (c->isNullValue()) {
LLVM_DtoNullDelegate(l->mem);
}
else
assert(0);
}
else if (r->inplace) {
// do nothing
e->inplace = true;
}
else
assert(0);
}
else
assert(0);
}
// !struct && !array && !pointer && !class
else {
Logger::cout() << *l->mem << '\n';
new llvm::StoreInst(r->getValue(),l->mem,p->scopebb());
}
delete r;
delete l;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* AddExp::toElem(IRState* p)
{
Logger::print("AddExp::toElem: %s\n", toChars());
LOG_SCOPE;
elem* e = new elem;
elem* l = e1->toElem(p);
elem* r = e2->toElem(p);
if (e1->type != e2->type) {
if (e1->type->ty == Tpointer && e1->type->next->ty == Tstruct) {
assert(l->field);
llvm::Value* zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
assert(r->type == elem::CONST);
llvm::ConstantInt* cofs = llvm::cast<llvm::ConstantInt>(r->val);
TypeStruct* ts = (TypeStruct*)e1->type->next;
llvm::Value* offset = llvm::ConstantInt::get(llvm::Type::Int32Ty, ts->sym->offsetToIndex(cofs->getZExtValue()), false);
e->mem = new llvm::GetElementPtrInst(l->getValue(), zero, offset, "tmp", p->scopebb());
e->type = elem::VAR;
e->field = true;
}
else if (e1->type->ty == Tpointer) {
e->val = new llvm::GetElementPtrInst(l->getValue(), r->getValue(), "tmp", p->scopebb());
e->type = elem::VAR;
}
else {
assert(0);
}
}
else {
e->val = llvm::BinaryOperator::createAdd(l->getValue(), r->getValue(), "tmp", p->scopebb());
e->type = elem::VAL;
}
delete l;
delete r;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* AddAssignExp::toElem(IRState* p)
{
Logger::print("AddAssignExp::toElem: %s\n", toChars());
LOG_SCOPE;
elem* l = e1->toElem(p);
elem* r = e2->toElem(p);
elem* e = new elem;
llvm::Value* val = 0;
if (e1->type->ty == Tpointer) {
val = e->mem = new llvm::GetElementPtrInst(l->getValue(),r->getValue(),"tmp",p->scopebb());
}
else {
val = e->val = llvm::BinaryOperator::createAdd(l->getValue(),r->getValue(),"tmp",p->scopebb());
}
/*llvm::Value* storeVal = l->storeVal ? l->storeVal : l->val;
if (llvm::isa<llvm::PointerType>(storeVal->getType()) && storeVal->getType()->getContainedType(0) != tmp->getType())
{
tmp = LLVM_DtoPointedType(storeVal, tmp);
}*/
new llvm::StoreInst(val,l->mem,p->scopebb());
e->type = elem::VAR;
delete l;
delete r;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* MinExp::toElem(IRState* p)
{
Logger::print("MinExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
elem* e = new elem;
elem* l = e1->toElem(p);
elem* r = e2->toElem(p);
llvm::Value* left = l->getValue();
if (llvm::isa<llvm::PointerType>(left->getType()))
left = new llvm::PtrToIntInst(left,LLVM_DtoSize_t(),"tmp",p->scopebb());
llvm::Value* right = r->getValue();
if (llvm::isa<llvm::PointerType>(right->getType()))
right = new llvm::PtrToIntInst(right,LLVM_DtoSize_t(),"tmp",p->scopebb());
e->val = llvm::BinaryOperator::createSub(left,right,"tmp",p->scopebb());
e->type = elem::VAL;
const llvm::Type* totype = LLVM_DtoType(type);
if (e->val->getType() != totype) {
assert(0);
assert(llvm::isa<llvm::PointerType>(e->val->getType()));
assert(llvm::isa<llvm::IntegerType>(totype));
e->val = new llvm::IntToPtrInst(e->val,totype,"tmp",p->scopebb());
}
delete l;
delete r;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* MinAssignExp::toElem(IRState* p)
{
Logger::print("MinAssignExp::toElem: %s\n", toChars());
LOG_SCOPE;
elem* l = e1->toElem(p);
elem* r = e2->toElem(p);
llvm::Value* tmp = 0;
if (e1->type->ty == Tpointer) {
tmp = r->getValue();
llvm::Value* zero = llvm::ConstantInt::get(tmp->getType(),0,false);
tmp = llvm::BinaryOperator::createSub(zero,tmp,"tmp",p->scopebb());
tmp = new llvm::GetElementPtrInst(l->getValue(),tmp,"tmp",p->scopebb());
}
else {
tmp = llvm::BinaryOperator::createSub(l->getValue(),r->getValue(),"tmp",p->scopebb());
}
/*llvm::Value* storeVal = l->storeVal ? l->storeVal : l->val;
if (storeVal->getType()->getContainedType(0) != tmp->getType())
{
tmp = LLVM_DtoPointedType(storeVal, tmp);
}*/
new llvm::StoreInst(tmp, l->mem, p->scopebb());
delete l;
delete r;
elem* e = new elem;
e->val = tmp;
e->type = elem::VAR;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* MulExp::toElem(IRState* p)
{
Logger::print("MulExp::toElem: %s\n", toChars());
LOG_SCOPE;
elem* e = new elem;
elem* l = e1->toElem(p);
elem* r = e2->toElem(p);
llvm::Value* vl = l->getValue();
llvm::Value* vr = r->getValue();
Logger::cout() << "mul: " << *vl << ", " << *vr << '\n';
e->val = llvm::BinaryOperator::createMul(vl,vr,"tmp",p->scopebb());
e->type = elem::VAL;
delete l;
delete r;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* MulAssignExp::toElem(IRState* p)
{
Logger::print("MulAssignExp::toElem: %s\n", toChars());
LOG_SCOPE;
elem* l = e1->toElem(p);
elem* r = e2->toElem(p);
llvm::Value* vl = l->getValue();
llvm::Value* vr = r->getValue();
Logger::cout() << "mulassign: " << *vl << ", " << *vr << '\n';
llvm::Value* tmp = llvm::BinaryOperator::createMul(vl,vr,"tmp",p->scopebb());
/*llvm::Value* storeVal = l->storeVal ? l->storeVal : l->val;
if (storeVal->getType()->getContainedType(0) != tmp->getType())
{
tmp = LLVM_DtoPointedType(storeVal, tmp);
}*/
new llvm::StoreInst(tmp,l->mem,p->scopebb());
delete l;
delete r;
elem* e = new elem;
e->val = tmp;
e->type = elem::VAR;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* DivExp::toElem(IRState* p)
{
Logger::print("DivExp::toElem: %s\n", toChars());
LOG_SCOPE;
elem* e = new elem;
elem* l = e1->toElem(p);
elem* r = e2->toElem(p);
if (type->isunsigned())
e->val = llvm::BinaryOperator::createUDiv(l->getValue(),r->getValue(),"tmp",p->scopebb());
else if (type->isintegral())
e->val = llvm::BinaryOperator::createSDiv(l->getValue(),r->getValue(),"tmp",p->scopebb());
else if (type->isfloating())
e->val = llvm::BinaryOperator::createFDiv(l->getValue(),r->getValue(),"tmp",p->scopebb());
else
assert(0);
e->type = elem::VAL;
delete l;
delete r;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* DivAssignExp::toElem(IRState* p)
{
Logger::print("DivAssignExp::toElem: %s\n", toChars());
LOG_SCOPE;
elem* l = e1->toElem(p);
elem* r = e2->toElem(p);
llvm::Value* tmp;
if (type->isunsigned())
tmp = llvm::BinaryOperator::createUDiv(l->getValue(),r->getValue(),"tmp",p->scopebb());
else if (type->isintegral())
tmp = llvm::BinaryOperator::createSDiv(l->getValue(),r->getValue(),"tmp",p->scopebb());
else if (type->isfloating())
tmp = llvm::BinaryOperator::createFDiv(l->getValue(),r->getValue(),"tmp",p->scopebb());
else
assert(0);
/*llvm::Value* storeVal = l->storeVal ? l->storeVal : l->val;
if (storeVal->getType()->getContainedType(0) != tmp->getType())
{
tmp = LLVM_DtoPointedType(storeVal, tmp);
}*/
new llvm::StoreInst(tmp,l->mem,p->scopebb());
delete l;
delete r;
elem* e = new elem;
e->val = tmp;
e->type = elem::VAR;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* ModExp::toElem(IRState* p)
{
Logger::print("ModExp::toElem: %s\n", toChars());
LOG_SCOPE;
elem* e = new elem;
elem* l = e1->toElem(p);
elem* r = e2->toElem(p);
if (type->isunsigned())
e->val = llvm::BinaryOperator::createURem(l->getValue(),r->getValue(),"tmp",p->scopebb());
else if (type->isintegral())
e->val = llvm::BinaryOperator::createSRem(l->getValue(),r->getValue(),"tmp",p->scopebb());
else if (type->isfloating())
e->val = llvm::BinaryOperator::createFRem(l->getValue(),r->getValue(),"tmp",p->scopebb());
else
assert(0);
e->type = elem::VAL;
delete l;
delete r;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* ModAssignExp::toElem(IRState* p)
{
Logger::print("ModAssignExp::toElem: %s\n", toChars());
LOG_SCOPE;
elem* l = e1->toElem(p);
elem* r = e2->toElem(p);
llvm::Value* tmp;
if (type->isunsigned())
tmp = llvm::BinaryOperator::createURem(l->getValue(),r->getValue(),"tmp",p->scopebb());
else if (type->isintegral())
tmp = llvm::BinaryOperator::createSRem(l->getValue(),r->getValue(),"tmp",p->scopebb());
else if (type->isfloating())
tmp = llvm::BinaryOperator::createFRem(l->getValue(),r->getValue(),"tmp",p->scopebb());
else
assert(0);
/*llvm::Value* storeVal = l->storeVal ? l->storeVal : l->val;
if (storeVal->getType()->getContainedType(0) != tmp->getType())
{
tmp = LLVM_DtoPointedType(storeVal, tmp);
}*/
new llvm::StoreInst(tmp,l->mem,p->scopebb());
delete l;
delete r;
elem* e = new elem;
e->val = tmp;
e->type = elem::VAR;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* CallExp::toElem(IRState* p)
{
Logger::print("CallExp::toElem: %s\n", toChars());
LOG_SCOPE;
elem* e = new elem;
elem* fn = e1->toElem(p);
LINK dlink = LINKdefault;
bool delegateCall = false;
llvm::Value* zero = llvm::ConstantInt::get(llvm::Type::Int32Ty,0,false);
llvm::Value* one = llvm::ConstantInt::get(llvm::Type::Int32Ty,1,false);
// hidden struct return parameter handling
bool retinptr = false;
TypeFunction* tf = 0;
// regular functions
if (e1->type->ty == Tfunction) {
tf = (TypeFunction*)e1->type;
if (tf->llvmRetInPtr) {
retinptr = true;
}
dlink = tf->linkage;
}
// delegates
else if (e1->type->ty == Tdelegate) {
Logger::println("delegateTy = %s\n", e1->type->toChars());
assert(e1->type->next->ty == Tfunction);
tf = (TypeFunction*)e1->type->next;
if (tf->llvmRetInPtr) {
retinptr = true;
}
dlink = tf->linkage;
delegateCall = true;
}
// invalid
else {
assert(tf);
}
size_t n = arguments->dim;
if (fn->arg || delegateCall) n++;
if (retinptr) n++;
llvm::Value* funcval = fn->getValue();
std::vector<llvm::Value*> llargs(n, 0);
const llvm::FunctionType* llfnty = 0;
// normal function call
if (llvm::isa<llvm::FunctionType>(funcval->getType())) {
llfnty = llvm::cast<llvm::FunctionType>(funcval->getType());
}
// pointer to something
else if (llvm::isa<llvm::PointerType>(funcval->getType())) {
// pointer to function pointer - I think this not really supposed to happen, but does :/
// seems like sometimes we get a func* other times a func**
if (llvm::isa<llvm::PointerType>(funcval->getType()->getContainedType(0))) {
funcval = new llvm::LoadInst(funcval,"tmp",p->scopebb());
}
// function pointer
if (llvm::isa<llvm::FunctionType>(funcval->getType()->getContainedType(0))) {
//Logger::cout() << "function pointer type:\n" << *funcval << '\n';
llfnty = llvm::cast<llvm::FunctionType>(funcval->getType()->getContainedType(0));
}
// struct pointer - delegate
else if (llvm::isa<llvm::StructType>(funcval->getType()->getContainedType(0))) {
funcval = new llvm::GetElementPtrInst(funcval,zero,one,"tmp",p->scopebb());
funcval = new llvm::LoadInst(funcval,"tmp",p->scopebb());
const llvm::Type* ty = funcval->getType()->getContainedType(0);
llfnty = llvm::cast<llvm::FunctionType>(ty);
}
// unknown
else {
Logger::cout() << "what kind of pointer are we calling? : " << *funcval->getType() << '\n';
}
}
else {
Logger::cout() << "what are we calling? : " << *funcval << '\n';
}
assert(llfnty);
Logger::cout() << "Function LLVM type: " << *llfnty << '\n';
// argument handling
llvm::FunctionType::param_iterator argiter = llfnty->param_begin();
int j = 0;
// hidden struct return parameter
if (retinptr) {
if (!p->lvals.empty()) {
assert(llvm::isa<llvm::StructType>(p->toplval()->getType()->getContainedType(0)));
llargs[j] = p->toplval();
TY Dty = tf->next->ty;
if (Dty == Tstruct || Dty == Tdelegate || Dty == Tarray) {
e->inplace = true;
}
else
assert(0);
}
else {
llargs[j] = new llvm::AllocaInst(argiter->get()->getContainedType(0),"rettmp",p->topallocapoint());
}
++j;
++argiter;
e->type = elem::VAR;
}
else {
e->type = elem::VAL;
}
// this parameter
if (fn->arg) {
Logger::println("This Call");
if (fn->arg->getType() != argiter->get()) {
//Logger::cout() << *fn->thisparam << '|' << *argiter->get() << '\n';
llargs[j] = new llvm::BitCastInst(fn->arg, argiter->get(), "tmp", p->scopebb());
}
else {
llargs[j] = fn->arg;
}
++j;
++argiter;
}
// delegate context parameter
else if (delegateCall) {
Logger::println("Delegate Call");
llvm::Value* contextptr = new llvm::GetElementPtrInst(fn->mem,zero,zero,"tmp",p->scopebb());
llargs[j] = new llvm::LoadInst(contextptr,"tmp",p->scopebb());
++j;
++argiter;
}
// regular parameters
for (int i=0; i<arguments->dim; i++,j++)
{
Expression* argexp = (Expression*)arguments->data[i];
elem* arg = argexp->toElem(p);
Argument* fnarg = Argument::getNth(tf->parameters, i);
TY argty = argexp->type->ty;
if (argty == Tstruct || argty == Tdelegate || argty == Tarray) {
if (!fnarg || !fnarg->llvmCopy) {
llargs[j] = arg->getValue();
assert(llargs[j] != 0);
}
else {
llvm::Value* allocaInst = 0;
llvm::BasicBlock* entryblock = &p->topfunc()->front();
const llvm::PointerType* pty = llvm::cast<llvm::PointerType>(arg->mem->getType());
allocaInst = new llvm::AllocaInst(pty->getElementType(), "tmpparam", p->topallocapoint());
if (argty == Tstruct) {
TypeStruct* ts = (TypeStruct*)argexp->type;
LLVM_DtoStructCopy(ts,allocaInst,arg->mem);
}
else if (argty == Tdelegate) {
LLVM_DtoDelegateCopy(allocaInst,arg->mem);
}
else if (argty == Tarray) {
LLVM_DtoArrayAssign(allocaInst,arg->mem);
}
else
assert(0);
llargs[j] = allocaInst;
assert(llargs[j] != 0);
}
}
else if (!fnarg || fnarg->llvmCopy) {
llargs[j] = arg->getValue();
assert(llargs[j] != 0);
}
else {
llargs[j] = arg->mem;
assert(llargs[j] != 0);
}
delete arg;
}
// void returns cannot not be named
const char* varname = "";
if (llfnty->getReturnType() != llvm::Type::VoidTy)
varname = "tmp";
Logger::println("%d params passed", n);
for (int i=0; i<n; ++i)
{
Logger::cout() << *llargs[i] << '\n';
}
Logger::cout() << "Calling: " << *funcval->getType() << '\n';
// call the function
llvm::CallInst* call = new llvm::CallInst(funcval, llargs.begin(), llargs.end(), varname, p->scopebb());
e->val = call;
// set calling convention
if ((fn->funcdecl && (fn->funcdecl->llvmInternal != LLVMintrinsic)) || delegateCall)
call->setCallingConv(LLVM_DtoCallingConv(dlink));
delete fn;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* CastExp::toElem(IRState* p)
{
Logger::print("CastExp::toElem: %s\n", toChars());
LOG_SCOPE;
elem* e = new elem;
elem* u = e1->toElem(p);
const llvm::Type* totype = LLVM_DtoType(to);
Type* from = e1->type;
int lsz = from->size();
int rsz = to->size();
// this makes sure the strange lvalue casts don't screw things up
e->mem = u->mem;
if (from->isintegral()) {
if (to->isintegral()) {
if (lsz < rsz) {
Logger::cout() << *totype << '\n';
if (from->isunsigned() || from->ty == Tbool) {
e->val = new llvm::ZExtInst(u->getValue(), totype, "tmp", p->scopebb());
} else {
e->val = new llvm::SExtInst(u->getValue(), totype, "tmp", p->scopebb());
}
}
else if (lsz > rsz) {
e->val = new llvm::TruncInst(u->getValue(), totype, "tmp", p->scopebb());
}
else {
e->val = new llvm::BitCastInst(u->getValue(), totype, "tmp", p->scopebb());
}
}
else if (to->isfloating()) {
if (from->isunsigned()) {
e->val = new llvm::UIToFPInst(u->getValue(), totype, "tmp", p->scopebb());
}
else {
e->val = new llvm::SIToFPInst(u->getValue(), totype, "tmp", p->scopebb());
}
}
else {
assert(0);
}
//e->storeVal = u->storeVal ? u->storeVal : u->val;
e->type = elem::VAL;
}
else if (from->isfloating()) {
if (to->isfloating()) {
if ((from->ty == Tfloat80 || from->ty == Tfloat64) && (to->ty == Tfloat80 || to->ty == Tfloat64)) {
e->val = u->getValue();
}
else if (lsz < rsz) {
e->val = new llvm::FPExtInst(u->getValue(), totype, "tmp", p->scopebb());
}
else if (lsz > rsz) {
e->val = new llvm::FPTruncInst(u->getValue(), totype, "tmp", p->scopebb());
}
else {
assert(0);
}
}
else if (to->isintegral()) {
if (to->isunsigned()) {
e->val = new llvm::FPToUIInst(u->getValue(), totype, "tmp", p->scopebb());
}
else {
e->val = new llvm::FPToSIInst(u->getValue(), totype, "tmp", p->scopebb());
}
}
else {
assert(0);
}
e->type = elem::VAL;
}
else if (from->ty == Tclass) {
//assert(to->ty == Tclass);
e->val = new llvm::BitCastInst(u->getValue(), totype, "tmp", p->scopebb());
e->type = elem::VAL;
}
else if (from->ty == Tarray || from->ty == Tsarray) {
Logger::cout() << "from array or sarray" << '\n';
if (to->ty == Tpointer) {
Logger::cout() << "to pointer" << '\n';
assert(from->next == to->next);
llvm::Value* zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
llvm::Value* one = llvm::ConstantInt::get(llvm::Type::Int32Ty, 1, false);
llvm::Value* ptr = new llvm::GetElementPtrInst(u->getValue(),zero,one,"tmp",p->scopebb());
e->val = new llvm::LoadInst(ptr, "tmp", p->scopebb());
e->type = elem::VAL;
}
else if (to->ty == Tarray) {
Logger::cout() << "to array" << '\n';
assert(from->next->size() == to->next->size());
const llvm::Type* ptrty = LLVM_DtoType(to->next);
if (ptrty == llvm::Type::VoidTy)
ptrty = llvm::Type::Int8Ty;
ptrty = llvm::PointerType::get(ptrty);
if (u->type == elem::SLICE) {
e->mem = new llvm::BitCastInst(u->mem, ptrty, "tmp", p->scopebb());
e->arg = u->arg;
}
else {
llvm::Value* uval = u->getValue();
llvm::Value* zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
llvm::Value* one = llvm::ConstantInt::get(llvm::Type::Int32Ty, 1, false);
e->arg = new llvm::GetElementPtrInst(uval,zero,zero,"tmp",p->scopebb());
e->arg = new llvm::LoadInst(e->arg, "tmp", p->scopebb());
e->mem = new llvm::GetElementPtrInst(uval,zero,one,"tmp",p->scopebb());
e->mem = new llvm::LoadInst(e->mem, "tmp", p->scopebb());
e->mem = new llvm::BitCastInst(e->mem, ptrty, "tmp", p->scopebb());
}
e->type = elem::SLICE;
}
else if (to->ty == Tsarray) {
Logger::cout() << "to sarray" << '\n';
assert(0);
}
else {
assert(0);
}
}
else if (from->ty == Tpointer) {
if (to->ty == Tpointer || to->ty == Tclass) {
llvm::Value* src = u->getValue();
//Logger::cout() << *src << '|' << *totype << '\n';
e->val = new llvm::BitCastInst(src, totype, "tmp", p->scopebb());
}
else if (to->isintegral()) {
e->val = new llvm::PtrToIntInst(u->getValue(), totype, "tmp", p->scopebb());
}
else
assert(0);
e->type = elem::VAL;
}
else {
assert(0);
}
delete u;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* SymOffExp::toElem(IRState* p)
{
Logger::print("SymOffExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
elem* e = 0;
if (VarDeclaration* vd = var->isVarDeclaration())
{
Logger::println("VarDeclaration");
if (vd->type->ty == Tstruct && !(type->ty == Tpointer && type->next == vd->type)) {
TypeStruct* vdt = (TypeStruct*)vd->type;
e = new elem;
llvm::Value* idx0 = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
llvm::Value* idx1 = llvm::ConstantInt::get(llvm::Type::Int32Ty, (uint64_t)vdt->sym->offsetToIndex(offset), false);
//const llvm::Type* _typ = llvm::GetElementPtrInst::getIndexedType(LLVM_DtoType(type), idx1);
llvm::Value* ptr = vd->llvmValue;
assert(ptr);
e->mem = new llvm::GetElementPtrInst(ptr,idx0,idx1,"tmp",p->scopebb());
e->type = elem::VAL;
e->field = true;
}
else if (vd->type->ty == Tsarray) {
/*e = new elem;
llvm::Value* idx0 = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
e->val = new llvm::GetElementPtrInst(vd->llvmValue,idx0,idx0,"tmp",p->scopebb());*/
e = new elem;
llvm::Value* idx0 = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
//llvm::Value* idx1 = llvm::ConstantInt::get(llvm::Type::Int32Ty, 1, false);
e->mem = new llvm::GetElementPtrInst(vd->llvmValue,idx0,idx0,"tmp",p->scopebb());
e->type = elem::VAL;
}
else if (offset == 0) {
vd->toObjFile();
e = new elem;
e->mem = vd->llvmValue;
//e->vardecl = vd;
e->type = elem::VAL;
}
else {
assert(0);
}
}
else if (FuncDeclaration* fd = var->isFuncDeclaration())
{
Logger::println("FuncDeclaration");
e = new elem;
if (fd->llvmValue == 0)
fd->toObjFile();
e->val = fd->llvmValue;
//e->aspointer = true;
e->type = elem::FUNC;
}
assert(e != 0);
assert(e->type != elem::NONE);
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* PtrExp::toElem(IRState* p)
{
Logger::print("PtrExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
elem* e = new elem;
elem* a = e1->toElem(p);
if (a->mem)
Logger::cout() << "mem: " << *a->mem << '\n';
if (a->val)
Logger::cout() << "val: " << *a->val << '\n';
if (a->field)
e->mem = a->mem;
else
e->mem = a->getValue();
e->type = elem::VAR;
delete a;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* DotVarExp::toElem(IRState* p)
{
Logger::print("DotVarExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
elem* e = new elem;
elem* l = e1->toElem(p);
Logger::print("e1->type=%s\n", e1->type->toChars());
if (VarDeclaration* vd = var->isVarDeclaration()) {
size_t vdoffset = (size_t)-1;
llvm::Value* src = 0;
if (e1->type->ty == Tpointer) {
assert(e1->type->next->ty == Tstruct);
TypeStruct* ts = (TypeStruct*)e1->type->next;
vdoffset = ts->sym->offsetToIndex(vd->offset);
Logger::println("Struct member offset:%d index:%d", vd->offset, vdoffset);
src = l->val;
}
else if (e1->type->ty == Tclass) {
TypeClass* tc = (TypeClass*)e1->type;
Logger::println("Class member offset: %d", vd->offset);
vdoffset = tc->sym->offsetToIndex(vd->offset);
src = l->getValue();
}
assert(vdoffset != (size_t)-1);
assert(src != 0);
llvm::Value* zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
llvm::Value* offset = llvm::ConstantInt::get(llvm::Type::Int32Ty, vdoffset, false);
llvm::Value* arrptr = new llvm::GetElementPtrInst(src,zero,offset,"tmp",p->scopebb());
e->mem = arrptr;
Logger::cout() << "mem: " << *e->mem << '\n';
e->type = elem::VAR;
}
else if (FuncDeclaration* fdecl = var->isFuncDeclaration())
{
if (fdecl->llvmValue == 0)
{
fdecl->toObjFile();
}
llvm::Value* funcval = fdecl->llvmValue;
e->arg = l->getValue();
// virtual call
if (fdecl->isVirtual()) {
assert(fdecl->vtblIndex > 0);
assert(e1->type->ty == Tclass);
const llvm::Type* vtbltype = llvm::PointerType::get(llvm::ArrayType::get(llvm::PointerType::get(llvm::Type::Int8Ty),0));
llvm::Value* zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
llvm::Value* vtblidx = llvm::ConstantInt::get(llvm::Type::Int32Ty, (size_t)fdecl->vtblIndex, false);
funcval = new llvm::GetElementPtrInst(e->arg, zero, zero, "tmp", p->scopebb());
funcval = new llvm::LoadInst(funcval,"tmp",p->scopebb());
funcval = new llvm::BitCastInst(funcval, vtbltype, "tmp", p->scopebb());
funcval = new llvm::GetElementPtrInst(funcval, zero, vtblidx, "tmp", p->scopebb());
funcval = new llvm::LoadInst(funcval,"tmp",p->scopebb());
funcval = new llvm::BitCastInst(funcval, fdecl->llvmValue->getType(), "tmp", p->scopebb());
}
e->val = funcval;
e->type = elem::VAL;
}
else {
printf("unknown: %s\n", var->toChars());
assert(0);
}
delete l;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* ThisExp::toElem(IRState* p)
{
Logger::print("ThisExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
elem* e = new elem;
if (VarDeclaration* vd = var->isVarDeclaration()) {
assert(vd->llvmValue == 0);
llvm::Function* fn = p->topfunc();
assert(fn);
TypeFunction* tf = p->topfunctype();
assert(tf);
llvm::Value* v = 0;
if (tf->llvmRetInPtr)
v = ++fn->arg_begin();
else
v = fn->arg_begin();
assert(v);
e->val = v;
e->type = elem::VAL;
}
else {
assert(0);
}
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* AddrExp::toElem(IRState* p)
{
Logger::print("AddrExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
elem* e = e1->toElem(p);
e->field = true;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* StructLiteralExp::toElem(IRState* p)
{
Logger::print("StructLiteralExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
elem* e = new elem;
// if there is no lval, this must be a static initializer for a global. correct?
if (p->lvals.empty())
{
// TODO
assert(0);
}
// otherwise write directly in the lvalue
else
{
llvm::Value* sptr = p->toplval();
assert(sptr);
llvm::Value* zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
unsigned n = elements->dim;
for (unsigned i=0; i<n; ++i)
{
llvm::Value* offset = llvm::ConstantInt::get(llvm::Type::Int32Ty, i, false);
llvm::Value* arrptr = new llvm::GetElementPtrInst(sptr,zero,offset,"tmp",p->scopebb());
Expression* vx = (Expression*)elements->data[i];
if (vx != 0) {
elem* ve = vx->toElem(p);
//Logger::cout() << *ve->val << " | " << *arrptr << '\n';
new llvm::StoreInst(ve->getValue(), arrptr, p->scopebb());
delete ve;
}
else {
assert(0);
}
}
}
e->inplace = true;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* IndexExp::toElem(IRState* p)
{
Logger::print("IndexExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
elem* e = new elem;
elem* l = e1->toElem(p);
p->arrays.push_back(l->mem); // if $ is used it must be an array so this is fine.
elem* r = e2->toElem(p);
p->arrays.pop_back();
llvm::Value* zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
llvm::Value* one = llvm::ConstantInt::get(llvm::Type::Int32Ty, 1, false);
llvm::Value* arrptr = 0;
if (e1->type->ty == Tpointer) {
arrptr = new llvm::GetElementPtrInst(l->getValue(),r->getValue(),"tmp",p->scopebb());
}
else if (e1->type->ty == Tsarray) {
arrptr = new llvm::GetElementPtrInst(l->mem, zero, r->getValue(),"tmp",p->scopebb());
}
else if (e1->type->ty == Tarray) {
arrptr = new llvm::GetElementPtrInst(l->mem,zero,one,"tmp",p->scopebb());
arrptr = new llvm::LoadInst(arrptr,"tmp",p->scopebb());
arrptr = new llvm::GetElementPtrInst(arrptr,r->getValue(),"tmp",p->scopebb());
}
assert(arrptr);
e->mem = arrptr;
e->type = elem::VAR;
delete l;
delete r;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* SliceExp::toElem(IRState* p)
{
Logger::print("SliceExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
elem* v = e1->toElem(p);
elem* e = new elem;
assert(v->mem);
e->type = elem::SLICE;
llvm::Value* zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
llvm::Value* one = llvm::ConstantInt::get(llvm::Type::Int32Ty, 1, false);
// partial slice
if (lwr)
{
assert(upr);
p->arrays.push_back(v->mem);
elem* lo = lwr->toElem(p);
bool lwr_is_zero = false;
if (lo->type == elem::CONST)
{
assert(lo->val);
assert(llvm::isa<llvm::ConstantInt>(lo->val));
if (e1->type->ty == Tpointer) {
e->mem = v->getValue();
}
else if (e1->type->ty == Tarray) {
llvm::Value* tmp = new llvm::GetElementPtrInst(v->mem,zero,one,"tmp",p->scopebb());
e->mem = new llvm::LoadInst(tmp,"tmp",p->scopebb());
}
else
assert(e->mem);
llvm::ConstantInt* c = llvm::cast<llvm::ConstantInt>(lo->val);
if (!(lwr_is_zero = c->isZero())) {
e->mem = new llvm::GetElementPtrInst(e->mem,lo->val,"tmp",p->scopebb());
}
}
else
{
llvm::Value* tmp = new llvm::GetElementPtrInst(v->mem,zero,one,"tmp",p->scopebb());
tmp = new llvm::LoadInst(tmp,"tmp",p->scopebb());
e->mem = new llvm::GetElementPtrInst(tmp,lo->getValue(),"tmp",p->scopebb());
}
elem* up = upr->toElem(p);
p->arrays.pop_back();
if (up->type == elem::CONST)
{
assert(up->val);
assert(llvm::isa<llvm::ConstantInt>(up->val));
if (lwr_is_zero) {
e->arg = up->val;
}
else {
if (lo->type == elem::CONST) {
llvm::Constant* clo = llvm::cast<llvm::Constant>(lo->val);
llvm::Constant* cup = llvm::cast<llvm::Constant>(up->val);
e->arg = llvm::ConstantExpr::getSub(cup, clo);
}
else {
e->arg = llvm::BinaryOperator::createSub(up->val, lo->getValue(), "tmp", p->scopebb());
}
}
}
else
{
if (lwr_is_zero) {
e->arg = up->getValue();
}
else {
e->arg = llvm::BinaryOperator::createSub(up->getValue(), lo->getValue(), "tmp", p->scopebb());
}
}
delete lo;
delete up;
}
// full slice
else
{
e->mem = v->mem;
}
delete v;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* CmpExp::toElem(IRState* p)
{
Logger::print("CmpExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
elem* e = new elem;
elem* l = e1->toElem(p);
elem* r = e2->toElem(p);
assert(e1->type == e2->type);
Type* t = e1->type;
if (t->isintegral())
{
llvm::ICmpInst::Predicate cmpop;
switch(op)
{
case TOKlt:
cmpop = t->isunsigned() ? llvm::ICmpInst::ICMP_ULT : llvm::ICmpInst::ICMP_SLT;
break;
case TOKle:
cmpop = t->isunsigned() ? llvm::ICmpInst::ICMP_ULE : llvm::ICmpInst::ICMP_SLE;
break;
case TOKgt:
cmpop = t->isunsigned() ? llvm::ICmpInst::ICMP_UGT : llvm::ICmpInst::ICMP_SGT;
break;
case TOKge:
cmpop = t->isunsigned() ? llvm::ICmpInst::ICMP_UGE : llvm::ICmpInst::ICMP_SGE;
break;
default:
assert(0);
}
e->val = new llvm::ICmpInst(cmpop, l->getValue(), r->getValue(), "tmp", p->scopebb());
}
else if (t->isfloating())
{
llvm::FCmpInst::Predicate cmpop;
switch(op)
{
case TOKlt:
cmpop = llvm::FCmpInst::FCMP_OLT;break;
case TOKle:
cmpop = llvm::FCmpInst::FCMP_OLE;break;
case TOKgt:
cmpop = llvm::FCmpInst::FCMP_OGT;break;
case TOKge:
cmpop = llvm::FCmpInst::FCMP_OGE;break;
case TOKunord:
cmpop = llvm::FCmpInst::FCMP_UNO;break;
case TOKule:
cmpop = llvm::FCmpInst::FCMP_ULE;break;
case TOKul:
cmpop = llvm::FCmpInst::FCMP_ULT;break;
case TOKuge:
cmpop = llvm::FCmpInst::FCMP_UGE;break;
case TOKug:
cmpop = llvm::FCmpInst::FCMP_UGT;break;
case TOKue:
cmpop = llvm::FCmpInst::FCMP_UEQ;break;
case TOKlg:
cmpop = llvm::FCmpInst::FCMP_ONE;break;
case TOKleg:
cmpop = llvm::FCmpInst::FCMP_ORD;break;
default:
assert(0);
}
e->val = new llvm::FCmpInst(cmpop, l->getValue(), r->getValue(), "tmp", p->scopebb());
}
else
{
assert(0 && "Unsupported CmpExp type");
}
delete l;
delete r;
e->type = elem::VAL;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* EqualExp::toElem(IRState* p)
{
Logger::print("EqualExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
elem* e = new elem;
elem* l = e1->toElem(p);
elem* r = e2->toElem(p);
assert(e1->type == e2->type);
Type* t = e1->type;
if (t->isintegral() || t->ty == Tpointer)
{
llvm::ICmpInst::Predicate cmpop;
switch(op)
{
case TOKequal:
cmpop = llvm::ICmpInst::ICMP_EQ;
break;
case TOKnotequal:
cmpop = llvm::ICmpInst::ICMP_NE;
break;
default:
assert(0);
}
e->val = new llvm::ICmpInst(cmpop, l->getValue(), r->getValue(), "tmp", p->scopebb());
}
else if (t->isfloating())
{
llvm::FCmpInst::Predicate cmpop;
switch(op)
{
case TOKequal:
cmpop = llvm::FCmpInst::FCMP_OEQ;
break;
case TOKnotequal:
cmpop = llvm::FCmpInst::FCMP_UNE;
break;
default:
assert(0);
}
e->val = new llvm::FCmpInst(cmpop, l->getValue(), r->getValue(), "tmp", p->scopebb());
}
else if (t->ty == Tarray)
{
// array comparison invokes the typeinfo runtime
assert(0);
}
else
{
assert(0 && "Unsupported EqualExp type");
}
delete l;
delete r;
e->type = elem::VAL;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* PostExp::toElem(IRState* p)
{
Logger::print("PostExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
elem* l = e1->toElem(p);
elem* r = e2->toElem(p);
elem* e = new elem;
e->mem = l->mem;
e->val = l->getValue();
e->type = elem::VAL;
llvm::Value* val = e->val;
llvm::Value* post = 0;
if (e1->type->isintegral())
{
assert(e2->type->isintegral());
llvm::Value* one = llvm::ConstantInt::get(val->getType(), 1, !e2->type->isunsigned());
if (op == TOKplusplus) {
post = llvm::BinaryOperator::createAdd(val,one,"tmp",p->scopebb());
}
else if (op == TOKminusminus) {
post = llvm::BinaryOperator::createSub(val,one,"tmp",p->scopebb());
}
}
else if (e1->type->ty == Tpointer)
{
assert(e2->type->isintegral());
llvm::Constant* minusone = llvm::ConstantInt::get(LLVM_DtoSize_t(),(uint64_t)-1,true);
llvm::Constant* plusone = llvm::ConstantInt::get(LLVM_DtoSize_t(),(uint64_t)1,false);
llvm::Constant* whichone = (op == TOKplusplus) ? plusone : minusone;
post = new llvm::GetElementPtrInst(val, whichone, "tmp", p->scopebb());
}
else if (e1->type->isfloating())
{
assert(e2->type->isfloating());
llvm::Value* one = llvm::ConstantFP::get(val->getType(), 1.0f);
if (op == TOKplusplus) {
post = llvm::BinaryOperator::createAdd(val,one,"tmp",p->scopebb());
}
else if (op == TOKminusminus) {
post = llvm::BinaryOperator::createSub(val,one,"tmp",p->scopebb());
}
}
else
assert(post);
//llvm::Value* tostore = l->storeVal ? l->storeVal : l->val;
new llvm::StoreInst(post,l->mem,p->scopebb());
delete l;
delete r;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* NewExp::toElem(IRState* p)
{
Logger::print("NewExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
assert(!thisexp);
assert(!newargs);
assert(newtype);
//assert(!arguments);
//assert(!member);
assert(!allocator);
elem* e = new elem;
const llvm::Type* t = LLVM_DtoType(newtype);
if (onstack) {
assert(newtype->ty == Tclass);
e->mem = new llvm::AllocaInst(t->getContainedType(0),"tmp",p->topallocapoint());
}
else {
if (newtype->ty == Tclass) {
e->mem = new llvm::MallocInst(t->getContainedType(0),"tmp",p->scopebb());
}
else if (newtype->ty == Tarray) {
t = LLVM_DtoType(newtype->next);
assert(arguments);
if (arguments->dim == 1) {
elem* sz = ((Expression*)arguments->data[0])->toElem(p);
llvm::Value* dimval = sz->getValue();
llvm::Value* usedimval = dimval;
if (dimval->getType() != llvm::Type::Int32Ty)
usedimval = new llvm::TruncInst(dimval, llvm::Type::Int32Ty,"tmp",p->scopebb());
e->mem = new llvm::MallocInst(t,usedimval,"tmp",p->scopebb());
LLVM_DtoSetArray(p->toplval(), dimval, e->mem);
delete sz;
}
else {
assert(0);
}
}
else {
e->mem = new llvm::MallocInst(t,"tmp",p->scopebb());
}
}
if (newtype->ty == Tclass) {
// first apply the static initializer
assert(e->mem);
LLVM_DtoInitClass((TypeClass*)newtype, e->mem);
// then call constructor
if (arguments) {
std::vector<llvm::Value*> ctorargs;
ctorargs.push_back(e->mem);
for (size_t i=0; i<arguments->dim; ++i)
{
Expression* ex = (Expression*)arguments->data[i];
Logger::println("arg=%s", ex->toChars());
elem* exe = ex->toElem(p);
assert(exe->getValue());
ctorargs.push_back(exe->getValue());
delete exe;
}
assert(member);
assert(member->llvmValue);
new llvm::CallInst(member->llvmValue, ctorargs.begin(), ctorargs.end(), "", p->scopebb());
}
}
else if (newtype->ty == Tstruct) {
TypeStruct* ts = (TypeStruct*)newtype;
if (ts->isZeroInit()) {
LLVM_DtoStructZeroInit(ts,e->mem);
}
else {
LLVM_DtoStructCopy(ts,e->mem,ts->llvmInit);
}
}
e->inplace = true;
e->type = elem::VAR;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* DeleteExp::toElem(IRState* p)
{
Logger::print("DeleteExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
//assert(e1->type->ty != Tclass);
elem* v = e1->toElem(p);
llvm::Value* val = v->getValue();
llvm::Value* ldval = 0;
const llvm::Type* t = val->getType();
llvm::Constant* z = llvm::Constant::getNullValue(t);
if (e1->type->ty == Tpointer) {
ldval = v->getValue();
new llvm::FreeInst(ldval, p->scopebb());
Logger::cout() << *z << '\n';
Logger::cout() << *val << '\n';
new llvm::StoreInst(z, v->mem, p->scopebb());
}
else if (e1->type->ty == Tclass) {
TypeClass* tc = (TypeClass*)e1->type;
LLVM_DtoCallClassDtors(tc, val);
if (v->vardecl && !v->vardecl->onstack) {
new llvm::FreeInst(val, p->scopebb());
}
new llvm::StoreInst(z, v->mem, p->scopebb());
}
else if (e1->type->ty == Tarray) {
// must be on the heap (correct?)
ldval = v->getValue();
llvm::Value* zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
llvm::Value* one = llvm::ConstantInt::get(llvm::Type::Int32Ty, 1, false);
llvm::Value* ptr = new llvm::GetElementPtrInst(ldval,zero,one,"tmp",p->scopebb());
ptr = new llvm::LoadInst(ptr,"tmp",p->scopebb());
new llvm::FreeInst(ptr, p->scopebb());
LLVM_DtoNullArray(val);
}
else {
assert(0);
}
delete v;
// this expression produces no useful data
return 0;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* ArrayLengthExp::toElem(IRState* p)
{
Logger::print("ArrayLengthExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
elem* e = new elem;
elem* u = e1->toElem(p);
llvm::Value* zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
llvm::Value* ptr = new llvm::GetElementPtrInst(u->mem,zero,zero,"tmp",p->scopebb());
e->val = new llvm::LoadInst(ptr, "tmp", p->scopebb());
e->type = elem::VAL;
delete u;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* AssertExp::toElem(IRState* p)
{
Logger::print("AssertExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
elem* e = new elem;
elem* u = e1->toElem(p);
elem* m = msg ? msg->toElem(p) : 0;
std::vector<llvm::Value*> llargs;
llargs.resize(3);
llargs[0] = LLVM_DtoBoolean(u->getValue());
llargs[1] = llvm::ConstantInt::get(llvm::Type::Int32Ty, loc.linnum, false);
llargs[2] = m ? m->val : llvm::ConstantPointerNull::get(llvm::PointerType::get(llvm::Type::Int8Ty));
delete m;
delete u;
//Logger::cout() << *llargs[0] << '|' << *llargs[1] << '\n';
llvm::Function* fn = LLVM_D_GetRuntimeFunction(p->module, "_d_assert");
assert(fn);
llvm::CallInst* call = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", p->scopebb());
call->setCallingConv(llvm::CallingConv::C);
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* NotExp::toElem(IRState* p)
{
Logger::print("NotExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
elem* e = new elem;
elem* u = e1->toElem(p);
llvm::Value* b = LLVM_DtoBoolean(u->getValue());
llvm::Value* zero = llvm::ConstantInt::get(llvm::Type::Int1Ty, 0, true);
e->val = new llvm::ICmpInst(llvm::ICmpInst::ICMP_EQ,b,zero,"tmp",p->scopebb());
e->type = elem::VAL;
delete u;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* AndAndExp::toElem(IRState* p)
{
Logger::print("AndAndExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
// allocate a temporary for the final result. failed to come up with a better way :/
llvm::Value* resval = 0;
llvm::BasicBlock* entryblock = &p->topfunc()->front();
resval = new llvm::AllocaInst(llvm::Type::Int1Ty,"andandtmp",p->topallocapoint());
elem* e = new elem;
elem* u = e1->toElem(p);
llvm::BasicBlock* oldend = p->scopeend();
llvm::BasicBlock* andand = new llvm::BasicBlock("andand", gIR->topfunc(), oldend);
llvm::BasicBlock* andandend = new llvm::BasicBlock("andandend", gIR->topfunc(), oldend);
llvm::Value* ubool = LLVM_DtoBoolean(u->getValue());
new llvm::StoreInst(ubool,resval,p->scopebb());
new llvm::BranchInst(andand,andandend,ubool,p->scopebb());
p->scope() = IRScope(andand, andandend);
elem* v = e2->toElem(p);
llvm::Value* vbool = LLVM_DtoBoolean(v->getValue());
llvm::Value* uandvbool = llvm::BinaryOperator::create(llvm::BinaryOperator::And, ubool, vbool,"tmp",p->scopebb());
new llvm::StoreInst(uandvbool,resval,p->scopebb());
new llvm::BranchInst(andandend,p->scopebb());
delete u;
delete v;
p->scope() = IRScope(andandend, oldend);
e->val = new llvm::LoadInst(resval,"tmp",p->scopebb());
e->type = elem::VAL;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* OrOrExp::toElem(IRState* p)
{
Logger::print("OrOrExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
// allocate a temporary for the final result. failed to come up with a better way :/
llvm::Value* resval = 0;
llvm::BasicBlock* entryblock = &p->topfunc()->front();
resval = new llvm::AllocaInst(llvm::Type::Int1Ty,"orortmp",p->topallocapoint());
elem* e = new elem;
elem* u = e1->toElem(p);
llvm::BasicBlock* oldend = p->scopeend();
llvm::BasicBlock* oror = new llvm::BasicBlock("oror", gIR->topfunc(), oldend);
llvm::BasicBlock* ororend = new llvm::BasicBlock("ororend", gIR->topfunc(), oldend);
llvm::Value* ubool = LLVM_DtoBoolean(u->getValue());
new llvm::StoreInst(ubool,resval,p->scopebb());
new llvm::BranchInst(ororend,oror,ubool,p->scopebb());
p->scope() = IRScope(oror, ororend);
elem* v = e2->toElem(p);
llvm::Value* vbool = LLVM_DtoBoolean(v->getValue());
new llvm::StoreInst(vbool,resval,p->scopebb());
new llvm::BranchInst(ororend,p->scopebb());
delete u;
delete v;
p->scope() = IRScope(ororend, oldend);
e->val = new llvm::LoadInst(resval,"tmp",p->scopebb());
e->type = elem::VAL;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
#define BinBitExp(X,Y) \
elem* X##Exp::toElem(IRState* p) \
{ \
Logger::print("%sExp::toElem: %s | %s\n", #X, toChars(), type->toChars()); \
LOG_SCOPE; \
elem* e = new elem; \
elem* u = e1->toElem(p); \
elem* v = e2->toElem(p); \
e->val = llvm::BinaryOperator::create(llvm::Instruction::Y, u->getValue(), v->getValue(), "tmp", p->scopebb()); \
e->type = elem::VAL; \
delete u; \
delete v; \
return e; \
} \
\
elem* X##AssignExp::toElem(IRState* p) \
{ \
Logger::print("%sAssignExp::toElem: %s | %s\n", #X, toChars(), type->toChars()); \
LOG_SCOPE; \
elem* u = e1->toElem(p); \
elem* v = e2->toElem(p); \
llvm::Value* tmp = llvm::BinaryOperator::create(llvm::Instruction::Y, u->getValue(), v->getValue(), "tmp", p->scopebb()); \
Logger::cout() << *tmp << '|' << *u->mem << '\n'; \
new llvm::StoreInst(LLVM_DtoPointedType(u->mem, tmp), u->mem, p->scopebb()); \
delete u; \
delete v; \
elem* e = new elem; \
e->mem = u->mem; \
e->type = elem::VAR; \
return e; \
}
BinBitExp(And,And);
BinBitExp(Or,Or);
BinBitExp(Xor,Xor);
BinBitExp(Shl,Shl);
BinBitExp(Shr,AShr);
BinBitExp(Ushr,LShr);
//////////////////////////////////////////////////////////////////////////////////////////
elem* HaltExp::toElem(IRState* p)
{
Logger::print("HaltExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
std::vector<llvm::Value*> llargs;
llargs.resize(3);
llargs[0] = llvm::ConstantInt::get(llvm::Type::Int1Ty, 0, false);
llargs[1] = llvm::ConstantInt::get(llvm::Type::Int32Ty, loc.linnum, false);
llargs[2] = llvm::ConstantPointerNull::get(llvm::PointerType::get(llvm::Type::Int8Ty));
//Logger::cout() << *llargs[0] << '|' << *llargs[1] << '\n';
llvm::Function* fn = LLVM_D_GetRuntimeFunction(p->module, "_d_assert");
assert(fn);
llvm::CallInst* call = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", p->scopebb());
call->setCallingConv(llvm::CallingConv::C);
//new llvm::UnreachableInst(p->scopebb());
return 0;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* DelegateExp::toElem(IRState* p)
{
Logger::print("DelegateExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
elem* e = new elem;
elem* u = e1->toElem(p);
llvm::Value* zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
llvm::Value* one = llvm::ConstantInt::get(llvm::Type::Int32Ty, 1, false);
const llvm::Type* int8ptrty = llvm::PointerType::get(llvm::Type::Int8Ty);
llvm::Value* lval = p->toplval();
llvm::Value* context = new llvm::GetElementPtrInst(lval,zero,zero,"tmp",p->scopebb());
llvm::Value* castcontext = new llvm::BitCastInst(u->getValue(),int8ptrty,"tmp",p->scopebb());
new llvm::StoreInst(castcontext, context, p->scopebb());
llvm::Value* fptr = new llvm::GetElementPtrInst(lval,zero,one,"tmp",p->scopebb());
assert(func->llvmValue);
llvm::Value* castfptr = new llvm::BitCastInst(func->llvmValue,fptr->getType()->getContainedType(0),"tmp",p->scopebb());
new llvm::StoreInst(castfptr, fptr, p->scopebb());
e->inplace = true;
delete u;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* IdentityExp::toElem(IRState* p)
{
Logger::print("IdentityExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
elem* u = e1->toElem(p);
elem* v = e2->toElem(p);
elem* e = new elem;
llvm::Value* l = u->getValue();
llvm::Value* r = 0;
if (v->type == elem::NUL)
r = llvm::ConstantPointerNull::get(llvm::cast<llvm::PointerType>(l->getType()));
else
r = v->getValue();
llvm::ICmpInst::Predicate pred = (op == TOKidentity) ? llvm::ICmpInst::ICMP_EQ : llvm::ICmpInst::ICMP_NE;
e->val = new llvm::ICmpInst(pred, l, r, "tmp", p->scopebb());
e->type = elem::VAL;
delete u;
delete v;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* CommaExp::toElem(IRState* p)
{
Logger::print("CommaExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
elem* u = e1->toElem(p);
elem* v = e2->toElem(p);
delete u;
return v;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* CondExp::toElem(IRState* p)
{
Logger::print("CondExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
const llvm::Type* resty = LLVM_DtoType(type);
// allocate a temporary for the final result. failed to come up with a better way :/
llvm::BasicBlock* entryblock = &p->topfunc()->front();
llvm::Value* resval = new llvm::AllocaInst(resty,"condtmp",p->topallocapoint());
llvm::BasicBlock* oldend = p->scopeend();
llvm::BasicBlock* condtrue = new llvm::BasicBlock("condtrue", gIR->topfunc(), oldend);
llvm::BasicBlock* condfalse = new llvm::BasicBlock("condfalse", gIR->topfunc(), oldend);
llvm::BasicBlock* condend = new llvm::BasicBlock("condend", gIR->topfunc(), oldend);
elem* c = econd->toElem(p);
llvm::Value* cond_val = LLVM_DtoBoolean(c->getValue());
delete c;
new llvm::BranchInst(condtrue,condfalse,cond_val,p->scopebb());
p->scope() = IRScope(condtrue, condfalse);
elem* u = e1->toElem(p);
Logger::cout() << *u->val << '|' << *resval << '\n'; \
new llvm::StoreInst(u->getValue(),resval,p->scopebb());
new llvm::BranchInst(condend,p->scopebb());
delete u;
p->scope() = IRScope(condfalse, condend);
elem* v = e2->toElem(p);
new llvm::StoreInst(v->getValue(),resval,p->scopebb());
new llvm::BranchInst(condend,p->scopebb());
delete v;
p->scope() = IRScope(condend, oldend);
elem* e = new elem;
e->val = new llvm::LoadInst(resval,"tmp",p->scopebb());
e->type = elem::VAL;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
elem* ComExp::toElem(IRState* p)
{
Logger::print("ComExp::toElem: %s | %s\n", toChars(), type->toChars());
LOG_SCOPE;
elem* e = new elem;
elem* u = e1->toElem(p);
llvm::Value* value = u->getValue();
llvm::Value* minusone = llvm::ConstantInt::get(value->getType(), -1, true);
e->val = llvm::BinaryOperator::create(llvm::Instruction::Xor, value, minusone, "tmp", p->scopebb());
delete u;
e->type = elem::VAL;
return e;
}
//////////////////////////////////////////////////////////////////////////////////////////
#define STUB(x) elem *x::toElem(IRState * p) {error("Exp type "#x" not implemented: %s", toChars()); fatal(); return 0; }
//STUB(IdentityExp);
//STUB(CondExp);
//STUB(EqualExp);
STUB(InExp);
//STUB(CmpExp);
//STUB(AndAndExp);
//STUB(OrOrExp);
//STUB(AndExp);
//STUB(AndAssignExp);
//STUB(OrExp);
//STUB(OrAssignExp);
//STUB(XorExp);
//STUB(XorAssignExp);
//STUB(ShrExp);
//STUB(ShrAssignExp);
//STUB(ShlExp);
//STUB(ShlAssignExp);
//STUB(UshrExp);
//STUB(UshrAssignExp);
//STUB(DivExp);
//STUB(DivAssignExp);
//STUB(MulExp);
//STUB(MulAssignExp);
//STUB(ModExp);
//STUB(ModAssignExp);
STUB(CatExp);
STUB(CatAssignExp);
//STUB(AddExp);
//STUB(AddAssignExp);
STUB(Expression);
//STUB(MinExp);
//STUB(MinAssignExp);
//STUB(PostExp);
//STUB(NullExp);
//STUB(ThisExp);
//STUB(CallExp);
STUB(DotTypeExp);
STUB(TypeDotIdExp);
//STUB(DotVarExp);
//STUB(AssertExp);
STUB(FuncExp);
//STUB(DelegateExp);
//STUB(VarExp);
//STUB(DeclarationExp);
//STUB(NewExp);
//STUB(SymOffExp);
STUB(ScopeExp);
//STUB(AssignExp);
STUB(TypeExp);
//STUB(RealExp);
STUB(ComplexExp);
//STUB(StringExp);
//STUB(IntegerExp);
STUB(BoolExp);
//STUB(NotExp);
//STUB(ComExp);
STUB(NegExp);
//STUB(PtrExp);
//STUB(AddrExp);
//STUB(SliceExp);
//STUB(CastExp);
//STUB(DeleteExp);
//STUB(IndexExp);
//STUB(CommaExp);
//STUB(ArrayLengthExp);
//STUB(HaltExp);
STUB(RemoveExp);
STUB(ArrayLiteralExp);
STUB(AssocArrayLiteralExp);
//STUB(StructLiteralExp);
unsigned Type::totym() { return 0; }
type *
Type::toCtype() {
return 0;
}
type * Type::toCParamtype()
{
return 0;
}
Symbol * Type::toSymbol()
{
return 0;
}
type *
TypeTypedef::toCtype()
{
return 0;
}
type *
TypeTypedef::toCParamtype()
{
return 0;
}
void
TypedefDeclaration::toDebug()
{
}
type *
TypeEnum::toCtype()
{
return 0;
}
type *
TypeStruct::toCtype()
{
return 0;
}
void
StructDeclaration::toDebug()
{
}
Symbol * TypeClass::toSymbol()
{
return 0;
}
unsigned TypeFunction::totym()
{
return 0;
}
type *
TypeFunction::toCtype()
{
return 0;
}
type *
TypeSArray::toCtype()
{
return 0;
}
type *TypeSArray::toCParamtype() { return 0; }
type *
TypeDArray::toCtype()
{
return 0;
}
type *
TypeAArray::toCtype()
{
return 0;
}
type *
TypePointer::toCtype()
{
return 0;
}
type *
TypeDelegate::toCtype()
{
return 0;
}
type *
TypeClass::toCtype()
{
return 0;
}
void
ClassDeclaration::toDebug()
{
}
/* --------------------------------------------------------------------------------------- */
void CompoundStatement::toIR(IRState* p)
{
static int csi = 0;
Logger::println("CompoundStatement::toIR(%d):\n<<<\n%s>>>", csi++, toChars());
LOG_SCOPE;
/*
const char* labelname;
bool insterm = false;
if (!p->scopes()) {
labelname = "bb";
insterm = true;
}
else
labelname = "entry";
//if (!llvm::isa<llvm::TerminatorInst>(p->topfunc()->back().back()))
// insterm = true;
llvm::BasicBlock* bb = new llvm::BasicBlock(labelname, p->topfunc());
if (insterm) {
new llvm::BranchInst(bb,p->topbb());
}
p->bbs.push(bb);
*/
size_t n = statements->dim;
for (size_t i=0; i<n; i++)
{
Statement* s = (Statement*)statements->data[i];
if (s)
s->toIR(p);
else
Logger::println("NULL statement found in CompoundStatement !! :S");
}
//p->bbs.pop();
}
void ReturnStatement::toIR(IRState* p)
{
static int rsi = 0;
Logger::println("ReturnStatement::toIR(%d): %s", rsi++, toChars());
LOG_SCOPE;
if (exp)
{
TY expty = exp->type->ty;
if (p->topfunc()->getReturnType() == llvm::Type::VoidTy) {
assert(expty == Tstruct || expty == Tdelegate || expty == Tarray);
TypeFunction* f = p->topfunctype();
assert(f->llvmRetInPtr && f->llvmRetArg);
p->lvals.push_back(f->llvmRetArg);
elem* e = exp->toElem(p);
p->lvals.pop_back();
// structliterals do this themselves
// also they dont produce any value
if (expty == Tstruct) {
if (!e->inplace) {
TypeStruct* ts = (TypeStruct*)exp->type;
assert(e->mem);
LLVM_DtoStructCopy(ts,f->llvmRetArg,e->mem);
}
}
else if (expty == Tdelegate) {
// do nothing, handled by the DelegateExp
LLVM_DtoDelegateCopy(f->llvmRetArg,e->mem);
}
else if (expty == Tarray) {
if (e->type == elem::SLICE) {
LLVM_DtoSetArray(f->llvmRetArg,e->arg,e->mem);
}
// else the return value is a variable and should already have been assigned by now
}
else
assert(0);
new llvm::ReturnInst(p->scopebb());
delete e;
}
else {
elem* e = exp->toElem(p);
llvm::Value* v = e->getValue();
Logger::cout() << *v << '\n';
new llvm::ReturnInst(v, p->scopebb());
delete e;
}
}
else
{
if (p->topfunc()->getReturnType() == llvm::Type::VoidTy)
new llvm::ReturnInst(p->scopebb());
else
new llvm::UnreachableInst(p->scopebb());
}
p->scope().returned = true;
}
void ExpStatement::toIR(IRState* p)
{
static int esi = 0;
Logger::println("ExpStatement::toIR(%d): %s", esi++, toChars());
LOG_SCOPE;
if (exp != 0) {
elem* e = exp->toElem(p);
delete e;
}
/*elem* e = exp->toElem(p);
p->buf.printf("%s", e->toChars());
delete e;
p->buf.writenl();*/
}
void IfStatement::toIR(IRState* p)
{
static int wsi = 0;
Logger::println("IfStatement::toIR(%d): %s", wsi++, toChars());
LOG_SCOPE;
elem* cond_e = condition->toElem(p);
llvm::Value* cond_val = cond_e->getValue();
delete cond_e;
llvm::BasicBlock* oldend = gIR->scopeend();
llvm::BasicBlock* ifbb = new llvm::BasicBlock("if", gIR->topfunc(), oldend);
llvm::BasicBlock* endbb = new llvm::BasicBlock("endif", gIR->topfunc(), oldend);
llvm::BasicBlock* elsebb = 0;
if (elsebody) {
elsebb = new llvm::BasicBlock("else", gIR->topfunc(), endbb);
}
else {
elsebb = endbb;
}
if (cond_val->getType() != llvm::Type::Int1Ty) {
Logger::cout() << "if conditional: " << *cond_val << '\n';
cond_val = LLVM_DtoBoolean(cond_val);
}
llvm::Value* ifgoback = new llvm::BranchInst(ifbb, elsebb, cond_val, gIR->scopebegin());
// replace current scope
gIR->scope() = IRScope(ifbb,elsebb);
bool endifUsed = false;
// do scoped statements
ifbody->toIR(p);
if (!gIR->scopereturned()) {
new llvm::BranchInst(endbb,gIR->scopebegin());
endifUsed = true;
}
if (elsebody) {
//assert(0);
gIR->scope() = IRScope(elsebb,endbb);
elsebody->toIR(p);
if (!gIR->scopereturned()) {
new llvm::BranchInst(endbb,gIR->scopebegin());
endifUsed = true;
}
}
// rewrite the scope
gIR->scope() = IRScope(endbb,oldend);
}
void ScopeStatement::toIR(IRState* p)
{
static int wsi = 0;
Logger::println("ScopeStatement::toIR(%d): %s", wsi++, toChars());
LOG_SCOPE;
llvm::BasicBlock* oldend = gIR->scopeend();
IRScope irs;
irs.begin = new llvm::BasicBlock("scope", gIR->topfunc(), oldend);
irs.end = new llvm::BasicBlock("endscope", gIR->topfunc(), oldend);
// pass the previous BB into this
new llvm::BranchInst(irs.begin, gIR->scopebegin());
gIR->scope() = irs;
statement->toIR(p);
if (!gIR->scopereturned()) {
new llvm::BranchInst(irs.end, gIR->scopebegin());
}
// rewrite the scope
gIR->scope() = IRScope(irs.end,oldend);
}
void WhileStatement::toIR(IRState* p)
{
static int wsi = 0;
Logger::println("WhileStatement::toIR(%d): %s", wsi++, toChars());
LOG_SCOPE;
// create while blocks
llvm::BasicBlock* oldend = gIR->scopeend();
llvm::BasicBlock* whilebb = new llvm::BasicBlock("whilecond", gIR->topfunc(), oldend);
llvm::BasicBlock* endbb = new llvm::BasicBlock("endwhile", gIR->topfunc(), oldend);
// move into the while block
new llvm::BranchInst(whilebb, gIR->scopebegin());
// replace current scope
gIR->scope() = IRScope(whilebb,endbb);
// create the condition
elem* cond_e = condition->toElem(p);
llvm::Value* cond_val = LLVM_DtoBoolean(cond_e->getValue());
delete cond_e;
// while body block
llvm::BasicBlock* whilebodybb = new llvm::BasicBlock("whilebody", gIR->topfunc(), endbb);
// conditional branch
llvm::Value* ifbreak = new llvm::BranchInst(whilebodybb, endbb, cond_val, whilebb);
// rewrite scope
gIR->scope() = IRScope(whilebodybb,endbb);
// do while body code
body->toIR(p);
// loop
new llvm::BranchInst(whilebb, gIR->scopebegin());
// rewrite the scope
gIR->scope() = IRScope(endbb,oldend);
}
void DoStatement::toIR(IRState* p)
{
static int wsi = 0;
Logger::println("DoStatement::toIR(%d): %s", wsi++, toChars());
LOG_SCOPE;
// create while blocks
llvm::BasicBlock* oldend = gIR->scopeend();
llvm::BasicBlock* dowhilebb = new llvm::BasicBlock("dowhile", gIR->topfunc(), oldend);
llvm::BasicBlock* endbb = new llvm::BasicBlock("enddowhile", gIR->topfunc(), oldend);
// move into the while block
new llvm::BranchInst(dowhilebb, gIR->scopebegin());
// replace current scope
gIR->scope() = IRScope(dowhilebb,endbb);
// do do-while body code
body->toIR(p);
// create the condition
elem* cond_e = condition->toElem(p);
llvm::Value* cond_val = LLVM_DtoBoolean(cond_e->getValue());
delete cond_e;
// conditional branch
llvm::Value* ifbreak = new llvm::BranchInst(dowhilebb, endbb, cond_val, gIR->scopebegin());
// rewrite the scope
gIR->scope() = IRScope(endbb,oldend);
}
void ForStatement::toIR(IRState* p)
{
static int wsi = 0;
Logger::println("ForStatement::toIR(%d): %s", wsi++, toChars());
LOG_SCOPE;
// create for blocks
llvm::BasicBlock* oldend = gIR->scopeend();
llvm::BasicBlock* forbb = new llvm::BasicBlock("forcond", gIR->topfunc(), oldend);
llvm::BasicBlock* forbodybb = new llvm::BasicBlock("forbody", gIR->topfunc(), oldend);
llvm::BasicBlock* forincbb = new llvm::BasicBlock("forinc", gIR->topfunc(), oldend);
llvm::BasicBlock* endbb = new llvm::BasicBlock("endfor", gIR->topfunc(), oldend);
// init
if (init != 0)
init->toIR(p);
// move into the for condition block, ie. start the loop
new llvm::BranchInst(forbb, gIR->scopebegin());
IRScope loop;
loop.begin = forincbb;
loop.end = endbb;
p->loopbbs.push_back(loop);
// replace current scope
gIR->scope() = IRScope(forbb,forbodybb);
// create the condition
elem* cond_e = condition->toElem(p);
llvm::Value* cond_val = LLVM_DtoBoolean(cond_e->getValue());
delete cond_e;
// conditional branch
llvm::Value* ifbreak = new llvm::BranchInst(forbodybb, endbb, cond_val, forbb);
// rewrite scope
gIR->scope() = IRScope(forbodybb,forincbb);
// do for body code
body->toIR(p);
// move into the for increment block
new llvm::BranchInst(forincbb, gIR->scopebegin());
gIR->scope() = IRScope(forincbb, endbb);
// increment
if (increment) {
elem* inc = increment->toElem(p);
delete inc;
}
// loop
new llvm::BranchInst(forbb, gIR->scopebegin());
p->loopbbs.pop_back();
// rewrite the scope
gIR->scope() = IRScope(endbb,oldend);
}
void BreakStatement::toIR(IRState* p)
{
static int wsi = 0;
Logger::println("BreakStatement::toIR(%d): %s", wsi++, toChars());
LOG_SCOPE;
if (ident != 0) {
Logger::println("ident = %s", ident->toChars());
assert(0);
}
else {
new llvm::BranchInst(gIR->loopbbs.back().end, gIR->scopebegin());
}
}
void ContinueStatement::toIR(IRState* p)
{
static int wsi = 0;
Logger::println("ContinueStatement::toIR(%d): %s", wsi++, toChars());
LOG_SCOPE;
if (ident != 0) {
Logger::println("ident = %s", ident->toChars());
assert(0);
}
else {
new llvm::BranchInst(gIR->loopbbs.back().begin, gIR->scopebegin());
}
}
void OnScopeStatement::toIR(IRState* p)
{
static int wsi = 0;
Logger::println("OnScopeStatement::toIR(%d): %s", wsi++, toChars());
LOG_SCOPE;
assert(statement);
//statement->toIR(p); // this seems to be redundant
}
void TryFinallyStatement::toIR(IRState* p)
{
static int wsi = 0;
Logger::println("TryFinallyStatement::toIR(%d): %s", wsi++, toChars());
LOG_SCOPE;
llvm::BasicBlock* oldend = gIR->scopeend();
llvm::BasicBlock* trybb = new llvm::BasicBlock("try", gIR->topfunc(), oldend);
llvm::BasicBlock* finallybb = new llvm::BasicBlock("finally", gIR->topfunc(), oldend);
llvm::BasicBlock* endbb = new llvm::BasicBlock("endtryfinally", gIR->topfunc(), oldend);
// pass the previous BB into this
new llvm::BranchInst(trybb, gIR->scopebegin());
gIR->scope() = IRScope(trybb,finallybb);
assert(body);
body->toIR(p);
new llvm::BranchInst(finallybb, gIR->scopebegin());
// rewrite the scope
gIR->scope() = IRScope(finallybb,endbb);
assert(finalbody);
finalbody->toIR(p);
new llvm::BranchInst(endbb, gIR->scopebegin());
// rewrite the scope
gIR->scope() = IRScope(endbb,oldend);
}
void TryCatchStatement::toIR(IRState* p)
{
static int wsi = 0;
Logger::println("TryCatchStatement::toIR(%d): %s", wsi++, toChars());
LOG_SCOPE;
assert(0 && "try-catch is not properly");
assert(body);
body->toIR(p);
assert(catches);
for(size_t i=0; i<catches->dim; ++i)
{
Catch* c = (Catch*)catches->data[i];
c->handler->toIR(p);
}
}
void ThrowStatement::toIR(IRState* p)
{
static int wsi = 0;
Logger::println("ThrowStatement::toIR(%d): %s", wsi++, toChars());
LOG_SCOPE;
assert(0 && "throw is not implemented");
assert(exp);
elem* e = exp->toElem(p);
delete e;
}
#define STUBST(x) void x::toIR(IRState * p) {error("Statement type "#x" not implemented: %s", toChars());fatal();}
//STUBST(BreakStatement);
//STUBST(ForStatement);
STUBST(WithStatement);
STUBST(SynchronizedStatement);
//STUBST(ReturnStatement);
//STUBST(ContinueStatement);
STUBST(DefaultStatement);
STUBST(CaseStatement);
STUBST(SwitchStatement);
STUBST(SwitchErrorStatement);
STUBST(Statement);
//STUBST(IfStatement);
STUBST(ForeachStatement);
//STUBST(DoStatement);
//STUBST(WhileStatement);
//STUBST(ExpStatement);
//STUBST(CompoundStatement);
//STUBST(ScopeStatement);
STUBST(AsmStatement);
//STUBST(TryCatchStatement);
//STUBST(TryFinallyStatement);
STUBST(VolatileStatement);
STUBST(LabelStatement);
//STUBST(ThrowStatement);
STUBST(GotoCaseStatement);
STUBST(GotoDefaultStatement);
STUBST(GotoStatement);
STUBST(UnrolledLoopStatement);
//STUBST(OnScopeStatement);
void
EnumDeclaration::toDebug()
{
}
int
Dsymbol::cvMember(unsigned char*)
{
return 0;
}
int
EnumDeclaration::cvMember(unsigned char*)
{
return 0;
}
int
FuncDeclaration::cvMember(unsigned char*)
{
return 0;
}
int
VarDeclaration::cvMember(unsigned char*)
{
return 0;
}
int
TypedefDeclaration::cvMember(unsigned char*)
{
return 0;
}
void obj_includelib(char*){}
AsmStatement::AsmStatement(Loc loc, Token *tokens) :
Statement(loc)
{
}
Statement *AsmStatement::syntaxCopy() {
return 0;
}
Statement *AsmStatement::semantic(Scope *sc)
{
return Statement::semantic(sc);
}
void AsmStatement::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
{
Statement::toCBuffer(buf, hgs);
}
int AsmStatement::comeFrom()
{
return FALSE;
}
void
backend_init()
{
//LLVM_D_InitRuntime();
// lazily loaded
}
void
backend_term()
{
LLVM_D_FreeRuntime();
}
Reference in New Issue View Git Blame Copy Permalink