mirror of
https://github.com/xomboverlord/ldc.git
synced 2026-01-15 04:13:14 +01:00
3db5b9bb98
* throw is replaced with assert(0) * catch is ignored * better foreach support * various bugfixes
1063 lines
32 KiB
C
1063 lines
32 KiB
C
#include <iostream>
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#include "llvm/Constants.h"
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#include "llvm/Type.h"
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#include "llvm/DerivedTypes.h"
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#include "llvm/GlobalValue.h"
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#include "llvm/Instructions.h"
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#include "llvm/CallingConv.h"
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#include "mtype.h"
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#include "dsymbol.h"
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#include "aggregate.h"
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#include "declaration.h"
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#include "init.h"
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#include "gen/tollvm.h"
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#include "gen/irstate.h"
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#include "gen/logger.h"
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#include "gen/runtime.h"
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#include "gen/elem.h"
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#include "gen/arrays.h"
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const llvm::Type* LLVM_DtoType(Type* t)
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{
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assert(t);
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switch (t->ty)
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{
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// integers
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case Tint8:
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case Tuns8:
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case Tchar:
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return (const llvm::Type*)llvm::Type::Int8Ty;
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case Tint16:
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case Tuns16:
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case Twchar:
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return (const llvm::Type*)llvm::Type::Int16Ty;
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case Tint32:
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case Tuns32:
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case Tdchar:
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return (const llvm::Type*)llvm::Type::Int32Ty;
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case Tint64:
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case Tuns64:
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return (const llvm::Type*)llvm::Type::Int64Ty;
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case Tbool:
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return (const llvm::Type*)llvm::ConstantInt::getTrue()->getType();
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// floats
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case Tfloat32:
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return llvm::Type::FloatTy;
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case Tfloat64:
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case Tfloat80:
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return llvm::Type::DoubleTy;
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// pointers
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case Tpointer: {
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assert(t->next);
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if (t->next->ty == Tvoid)
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return (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty);
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else
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return (const llvm::Type*)llvm::PointerType::get(LLVM_DtoType(t->next));
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}
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// arrays
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case Tarray:
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return LLVM_DtoArrayType(t);
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case Tsarray:
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return LLVM_DtoStaticArrayType(t);
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// void
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case Tvoid:
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return llvm::Type::VoidTy;
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// aggregates
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case Tstruct: {
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if (t->llvmType == 0)
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{
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// recursive or cyclic declaration
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if (!gIR->structs.empty())
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{
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IRStruct* found = 0;
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for (IRState::StructVector::iterator i=gIR->structs.begin(); i!=gIR->structs.end(); ++i)
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{
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if (t == i->type)
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{
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return i->recty.get();
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}
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}
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}
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// forward declaration
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TypeStruct* ts = (TypeStruct*)t;
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assert(ts->sym);
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ts->sym->toObjFile();
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}
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return t->llvmType;
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}
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case Tclass: {
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if (t->llvmType == 0)
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{
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// recursive or cyclic declaration
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if (!gIR->structs.empty())
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{
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IRStruct* found = 0;
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for (IRState::StructVector::iterator i=gIR->structs.begin(); i!=gIR->structs.end(); ++i)
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{
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if (t == i->type)
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{
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return llvm::PointerType::get(i->recty.get());
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}
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}
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}
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// forward declaration
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TypeClass* tc = (TypeClass*)t;
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assert(tc->sym);
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tc->sym->toObjFile();
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}
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return llvm::PointerType::get(t->llvmType);
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}
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// functions
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case Tfunction:
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{
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if (t->llvmType == 0) {
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return LLVM_DtoFunctionType(t);
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}
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else {
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return t->llvmType;
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}
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}
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// delegates
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case Tdelegate:
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{
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if (t->llvmType == 0) {
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return LLVM_DtoDelegateType(t);
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}
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else {
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return t->llvmType;
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}
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}
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// typedefs
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case Ttypedef:
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{
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Type* bt = t->toBasetype();
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assert(bt);
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return LLVM_DtoType(bt);
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}
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default:
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printf("trying to convert unknown type with value %d\n", t->ty);
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assert(0);
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}
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return 0;
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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const llvm::FunctionType* LLVM_DtoFunctionType(Type* t, const llvm::Type* thisparam)
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{
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TypeFunction* f = (TypeFunction*)t;
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// parameter types
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const llvm::Type* rettype;
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std::vector<const llvm::Type*> paramvec;
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TY retty = f->next->ty;
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if (retty == Tstruct || retty == Tdelegate || retty == Tarray) {
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rettype = llvm::PointerType::get(LLVM_DtoType(f->next));
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paramvec.push_back(rettype);
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rettype = llvm::Type::VoidTy;
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}
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else {
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Type* rt = f->next;
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if (rt)
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rettype = LLVM_DtoType(rt);
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else
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assert(0);
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}
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if (thisparam) {
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paramvec.push_back(thisparam);
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}
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size_t n = Argument::dim(f->parameters);
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for (int i=0; i < n; ++i) {
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Argument* arg = Argument::getNth(f->parameters, i);
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// ensure scalar
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Type* argT = arg->type;
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assert(argT);
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paramvec.push_back(LLVM_DtoType(argT));
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}
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Logger::cout() << "Return type: " << *rettype << '\n';
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llvm::FunctionType* functype = llvm::FunctionType::get(rettype, paramvec, f->varargs);
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return functype;
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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const llvm::FunctionType* LLVM_DtoFunctionType(FuncDeclaration* fdecl)
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{
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TypeFunction* f = (TypeFunction*)fdecl->type;
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assert(f != 0);
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// type has already been resolved
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if (f->llvmType != 0) {
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return llvm::cast<llvm::FunctionType>(f->llvmType);
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}
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// return value type
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const llvm::Type* rettype;
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const llvm::Type* actualRettype;
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Type* rt = f->next;
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bool retinptr = false;
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bool usesthis = false;
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if (fdecl->isMain()) {
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rettype = llvm::Type::Int32Ty;
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actualRettype = rettype;
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}
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else if (rt) {
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if (rt->ty == Tstruct || rt->ty == Tdelegate || rt->ty == Tarray) {
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rettype = llvm::PointerType::get(LLVM_DtoType(rt));
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actualRettype = llvm::Type::VoidTy;
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f->llvmRetInPtr = retinptr = true;
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}
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else {
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rettype = LLVM_DtoType(rt);
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actualRettype = rettype;
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}
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}
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else {
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assert(0);
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}
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// parameter types
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std::vector<const llvm::Type*> paramvec;
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if (retinptr) {
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Logger::cout() << "returning through pointer parameter: " << *rettype << '\n';
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paramvec.push_back(rettype);
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}
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if (fdecl->needThis()) {
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if (AggregateDeclaration* ad = fdecl->isMember()) {
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Logger::print("isMember = this is: %s\n", ad->type->toChars());
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const llvm::Type* thisty = LLVM_DtoType(ad->type);
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Logger::cout() << "this llvm type: " << *thisty << '\n';
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if (llvm::isa<llvm::StructType>(thisty) || thisty == gIR->topstruct().recty.get())
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thisty = llvm::PointerType::get(thisty);
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paramvec.push_back(thisty);
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usesthis = true;
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}
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else
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assert(0);
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}
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size_t n = Argument::dim(f->parameters);
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for (int i=0; i < n; ++i) {
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Argument* arg = Argument::getNth(f->parameters, i);
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// ensure scalar
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Type* argT = arg->type;
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assert(argT);
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if ((arg->storageClass & STCref) || (arg->storageClass & STCout)) {
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//assert(arg->vardecl);
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//arg->vardecl->refparam = true;
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}
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else
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arg->llvmCopy = true;
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const llvm::Type* at = LLVM_DtoType(argT);
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if (llvm::isa<llvm::StructType>(at)) {
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Logger::println("struct param");
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paramvec.push_back(llvm::PointerType::get(at));
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}
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else if (llvm::isa<llvm::ArrayType>(at)) {
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Logger::println("sarray param");
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assert(argT->ty == Tsarray);
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//paramvec.push_back(llvm::PointerType::get(at->getContainedType(0)));
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paramvec.push_back(llvm::PointerType::get(at));
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}
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else {
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if (!arg->llvmCopy) {
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Logger::println("ref param");
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at = llvm::PointerType::get(at);
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}
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else {
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Logger::println("in param");
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}
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paramvec.push_back(at);
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}
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}
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// construct function type
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bool isvararg = f->varargs;
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llvm::FunctionType* functype = llvm::FunctionType::get(actualRettype, paramvec, isvararg);
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f->llvmType = functype;
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f->llvmRetInPtr = retinptr;
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f->llvmUsesThis = usesthis;
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return functype;
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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const llvm::StructType* LLVM_DtoDelegateType(Type* t)
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{
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const llvm::Type* i8ptr = llvm::PointerType::get(llvm::Type::Int8Ty);
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const llvm::Type* func = LLVM_DtoFunctionType(t->next, i8ptr);
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const llvm::Type* funcptr = llvm::PointerType::get(func);
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std::vector<const llvm::Type*> types;
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types.push_back(i8ptr);
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types.push_back(funcptr);
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return llvm::StructType::get(types);
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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const llvm::Type* LLVM_DtoStructType(Type* t)
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{
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assert(0);
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std::vector<const llvm::Type*> types;
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return llvm::StructType::get(types);
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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static llvm::Function* LLVM_DeclareMemIntrinsic(const char* name, int bits, bool set=false)
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{
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assert(bits == 32 || bits == 64);
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const llvm::Type* int8ty = (const llvm::Type*)llvm::Type::Int8Ty;
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const llvm::Type* int32ty = (const llvm::Type*)llvm::Type::Int32Ty;
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const llvm::Type* int64ty = (const llvm::Type*)llvm::Type::Int64Ty;
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const llvm::Type* int8ptrty = (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty);
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const llvm::Type* voidty = (const llvm::Type*)llvm::Type::VoidTy;
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assert(gIR);
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assert(gIR->module);
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// parameter types
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std::vector<const llvm::Type*> pvec;
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pvec.push_back(int8ptrty);
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pvec.push_back(set?int8ty:int8ptrty);
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pvec.push_back(bits==32?int32ty:int64ty);
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pvec.push_back(int32ty);
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llvm::FunctionType* functype = llvm::FunctionType::get(voidty, pvec, false);
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return new llvm::Function(functype, llvm::GlobalValue::ExternalLinkage, name, gIR->module);
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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// llvm.memset.i32
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llvm::Function* LLVM_DeclareMemSet32()
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{
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static llvm::Function* _func = 0;
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if (_func == 0) {
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_func = LLVM_DeclareMemIntrinsic("llvm.memset.i32", 32, true);
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}
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return _func;
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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llvm::Function* LLVM_DeclareMemSet64()
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{
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static llvm::Function* _func = 0;
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if (_func == 0) {
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_func = LLVM_DeclareMemIntrinsic("llvm.memset.i64", 64, true);
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}
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return _func;
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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// llvm.memcpy.i32
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llvm::Function* LLVM_DeclareMemCpy32()
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{
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static llvm::Function* _func = 0;
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if (_func == 0) {
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_func = LLVM_DeclareMemIntrinsic("llvm.memcpy.i32", 32);
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}
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return _func;
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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// llvm.memcpy.i64
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llvm::Function* LLVM_DeclareMemCpy64()
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{
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static llvm::Function* _func = 0;
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if (_func == 0) {
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_func = LLVM_DeclareMemIntrinsic("llvm.memcpy.i64", 64);
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}
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return _func;
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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llvm::Value* LLVM_DtoStructZeroInit(TypeStruct* t, llvm::Value* v)
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{
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assert(gIR);
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uint64_t n = gTargetData->getTypeSize(t->llvmType);
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//llvm::Type* sarrty = llvm::PointerType::get(llvm::ArrayType::get(llvm::Type::Int8Ty, n));
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llvm::Type* sarrty = llvm::PointerType::get(llvm::Type::Int8Ty);
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llvm::Value* sarr = new llvm::BitCastInst(v,sarrty,"tmp",gIR->scopebb());
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llvm::Function* fn = LLVM_DeclareMemSet32();
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std::vector<llvm::Value*> llargs;
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llargs.resize(4);
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llargs[0] = sarr;
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llargs[1] = llvm::ConstantInt::get(llvm::Type::Int8Ty, 0, false);
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llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false);
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llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
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llvm::Value* ret = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb());
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return ret;
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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llvm::Value* LLVM_DtoStructCopy(TypeStruct* t, llvm::Value* dst, llvm::Value* src)
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{
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assert(dst->getType() == src->getType());
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assert(gIR);
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uint64_t n = gTargetData->getTypeSize(t->llvmType);
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//llvm::Type* sarrty = llvm::PointerType::get(llvm::ArrayType::get(llvm::Type::Int8Ty, n));
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llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty);
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llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb());
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llvm::Value* srcarr = new llvm::BitCastInst(src,arrty,"tmp",gIR->scopebb());
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llvm::Function* fn = LLVM_DeclareMemCpy32();
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std::vector<llvm::Value*> llargs;
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llargs.resize(4);
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llargs[0] = dstarr;
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llargs[1] = srcarr;
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llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false);
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llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
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return new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb());
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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llvm::Constant* LLVM_DtoStructInitializer(StructInitializer* si)
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{
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llvm::StructType* structtype = llvm::cast<llvm::StructType>(si->ad->llvmType);
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size_t n = structtype->getNumElements();
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assert(si->value.dim == si->vars.dim);
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std::vector<llvm::Constant*> inits;
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inits.resize(n, NULL);
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for (int i = 0; i < si->value.dim; ++i)
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{
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Initializer* ini = (Initializer*)si->value.data[i];
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assert(ini);
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VarDeclaration* vd = (VarDeclaration*)si->vars.data[i];
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assert(vd);
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Logger::println("vars[%d] = %s", i, vd->toChars());
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std::vector<unsigned> idxs;
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si->ad->offsetToIndex(vd->type, vd->offset, idxs);
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assert(idxs.size() == 1);
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unsigned idx = idxs[0];
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llvm::Constant* v = 0;
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if (ExpInitializer* ex = ini->isExpInitializer())
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{
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elem* e = ex->exp->toElem(gIR);
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v = llvm::cast<llvm::Constant>(e->val);
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delete e;
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}
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else if (StructInitializer* si = ini->isStructInitializer())
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{
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v = LLVM_DtoStructInitializer(si);
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}
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else if (ArrayInitializer* ai = ini->isArrayInitializer())
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{
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v = LLVM_DtoArrayInitializer(ai);
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}
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else if (ini->isVoidInitializer())
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{
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v = llvm::UndefValue::get(structtype->getElementType(idx));
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}
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else
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assert(v);
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inits[idx] = v;
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}
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// fill out nulls
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assert(si->ad->llvmInitZ);
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if (si->ad->llvmInitZ->isNullValue())
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{
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for (int i = 0; i < n; ++i)
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{
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if (inits[i] == 0)
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{
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inits[i] = llvm::Constant::getNullValue(structtype->getElementType(i));
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}
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}
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}
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else
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{
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for (int i = 0; i < n; ++i)
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{
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if (inits[i] == 0)
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{
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inits[i] = si->ad->llvmInitZ->getOperand(i);
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}
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}
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}
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return llvm::ConstantStruct::get(structtype, inits);
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}
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|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
llvm::Value* LLVM_DtoNullDelegate(llvm::Value* v)
|
|
{
|
|
assert(gIR);
|
|
d_uns64 n = (global.params.is64bit) ? 16 : 8;
|
|
|
|
llvm::Type* i8p_ty = llvm::PointerType::get(llvm::Type::Int8Ty);
|
|
|
|
llvm::Value* arr = new llvm::BitCastInst(v,i8p_ty,"tmp",gIR->scopebb());
|
|
|
|
llvm::Function* fn = LLVM_DeclareMemSet32();
|
|
std::vector<llvm::Value*> llargs;
|
|
llargs.resize(4);
|
|
llargs[0] = arr;
|
|
llargs[1] = llvm::ConstantInt::get(llvm::Type::Int8Ty, 0, false);
|
|
llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false);
|
|
llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
|
|
|
|
llvm::Value* ret = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb());
|
|
|
|
return ret;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
llvm::Value* LLVM_DtoDelegateCopy(llvm::Value* dst, llvm::Value* src)
|
|
{
|
|
assert(dst->getType() == src->getType());
|
|
assert(gIR);
|
|
|
|
d_uns64 n = (global.params.is64bit) ? 16 : 8;
|
|
|
|
llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty);
|
|
|
|
llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb());
|
|
llvm::Value* srcarr = new llvm::BitCastInst(src,arrty,"tmp",gIR->scopebb());
|
|
|
|
llvm::Function* fn = LLVM_DeclareMemCpy32();
|
|
std::vector<llvm::Value*> llargs;
|
|
llargs.resize(4);
|
|
llargs[0] = dstarr;
|
|
llargs[1] = srcarr;
|
|
llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false);
|
|
llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
|
|
|
|
return new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb());
|
|
}
|
|
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
llvm::GlobalValue::LinkageTypes LLVM_DtoLinkage(PROT prot, uint stc)
|
|
{
|
|
switch(prot)
|
|
{
|
|
case PROTprivate:
|
|
return llvm::GlobalValue::InternalLinkage;
|
|
|
|
case PROTpublic:
|
|
case PROTpackage:
|
|
case PROTprotected:
|
|
case PROTexport:
|
|
return llvm::GlobalValue::ExternalLinkage;
|
|
|
|
case PROTundefined:
|
|
case PROTnone:
|
|
assert(0 && "Unsupported linkage type");
|
|
}
|
|
return llvm::GlobalValue::ExternalLinkage;
|
|
|
|
/* ExternalLinkage = 0, LinkOnceLinkage, WeakLinkage, AppendingLinkage,
|
|
InternalLinkage, DLLImportLinkage, DLLExportLinkage, ExternalWeakLinkage,
|
|
GhostLinkage */
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
unsigned LLVM_DtoCallingConv(LINK l)
|
|
{
|
|
if (l == LINKc)
|
|
return llvm::CallingConv::C;
|
|
else if (l == LINKd || l == LINKdefault)
|
|
return llvm::CallingConv::Fast;
|
|
else if (l == LINKwindows)
|
|
return llvm::CallingConv::X86_StdCall;
|
|
else
|
|
assert(0 && "Unsupported calling convention");
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
llvm::Value* LLVM_DtoPointedType(llvm::Value* ptr, llvm::Value* val)
|
|
{
|
|
const llvm::Type* ptrTy = ptr->getType()->getContainedType(0);
|
|
const llvm::Type* valTy = val->getType();
|
|
// ptr points to val's type
|
|
if (ptrTy == valTy)
|
|
{
|
|
return val;
|
|
}
|
|
// ptr is integer pointer
|
|
else if (ptrTy->isInteger())
|
|
{
|
|
// val is integer
|
|
assert(valTy->isInteger());
|
|
const llvm::IntegerType* pt = llvm::cast<const llvm::IntegerType>(ptrTy);
|
|
const llvm::IntegerType* vt = llvm::cast<const llvm::IntegerType>(valTy);
|
|
if (pt->getBitWidth() < vt->getBitWidth()) {
|
|
return new llvm::TruncInst(val, pt, "tmp", gIR->scopebb());
|
|
}
|
|
else
|
|
assert(0);
|
|
}
|
|
// something else unsupported
|
|
else
|
|
{
|
|
Logger::cout() << *ptrTy << '|' << *valTy << '\n';
|
|
assert(0);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
llvm::Value* LLVM_DtoBoolean(llvm::Value* val)
|
|
{
|
|
const llvm::Type* t = val->getType();
|
|
if (t->isInteger())
|
|
{
|
|
if (t == llvm::Type::Int1Ty)
|
|
return val;
|
|
else {
|
|
llvm::Value* zero = llvm::ConstantInt::get(t, 0, false);
|
|
return new llvm::ICmpInst(llvm::ICmpInst::ICMP_NE, val, zero, "tmp", gIR->scopebb());
|
|
}
|
|
}
|
|
else if (llvm::isa<llvm::PointerType>(t)) {
|
|
const llvm::Type* st = LLVM_DtoSize_t();
|
|
llvm::Value* ptrasint = new llvm::PtrToIntInst(val,st,"tmp",gIR->scopebb());
|
|
llvm::Value* zero = llvm::ConstantInt::get(st, 0, false);
|
|
return new llvm::ICmpInst(llvm::ICmpInst::ICMP_NE, ptrasint, zero, "tmp", gIR->scopebb());
|
|
}
|
|
else
|
|
{
|
|
Logger::cout() << *t << '\n';
|
|
}
|
|
assert(0);
|
|
return 0;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
const llvm::Type* LLVM_DtoSize_t()
|
|
{
|
|
if (global.params.is64bit)
|
|
return llvm::Type::Int64Ty;
|
|
else
|
|
return llvm::Type::Int32Ty;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
void LLVM_DtoMain()
|
|
{
|
|
// emit main function llvm style
|
|
// int main(int argc, char**argv, char**env);
|
|
|
|
assert(gIR != 0);
|
|
IRState& ir = *gIR;
|
|
|
|
assert(ir.emitMain && ir.mainFunc);
|
|
|
|
// parameter types
|
|
std::vector<const llvm::Type*> pvec;
|
|
pvec.push_back((const llvm::Type*)llvm::Type::Int32Ty);
|
|
const llvm::Type* chPtrType = (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty);
|
|
pvec.push_back((const llvm::Type*)llvm::PointerType::get(chPtrType));
|
|
pvec.push_back((const llvm::Type*)llvm::PointerType::get(chPtrType));
|
|
const llvm::Type* rettype = (const llvm::Type*)llvm::Type::Int32Ty;
|
|
|
|
llvm::FunctionType* functype = llvm::FunctionType::get(rettype, pvec, false);
|
|
llvm::Function* func = new llvm::Function(functype,llvm::GlobalValue::ExternalLinkage,"main",ir.module);
|
|
|
|
llvm::BasicBlock* bb = new llvm::BasicBlock("entry",func);
|
|
|
|
// call static ctors
|
|
llvm::Function* fn = LLVM_D_GetRuntimeFunction(ir.module,"_d_run_module_ctors");
|
|
new llvm::CallInst(fn,"",bb);
|
|
|
|
// call user main function
|
|
llvm::CallInst* call = new llvm::CallInst(ir.mainFunc,"ret",bb);
|
|
call->setCallingConv(ir.mainFunc->getCallingConv());
|
|
|
|
// call static dtors
|
|
fn = LLVM_D_GetRuntimeFunction(ir.module,"_d_run_module_dtors");
|
|
new llvm::CallInst(fn,"",bb);
|
|
|
|
// return
|
|
new llvm::ReturnInst(call,bb);
|
|
|
|
/*
|
|
// return value type
|
|
const llvm::Type* rettype;
|
|
Type* rt = f->next;
|
|
if (rt) {
|
|
rettype = LLVM_DtoType(rt);
|
|
}
|
|
else {
|
|
assert(0);
|
|
}
|
|
|
|
llvm::FunctionType* functype = llvm::FunctionType::get(rettype, paramvec, false);
|
|
*/
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
void LLVM_DtoCallClassDtors(TypeClass* tc, llvm::Value* instance)
|
|
{
|
|
Array* arr = &tc->sym->dtors;
|
|
for (size_t i=0; i<arr->dim; i++)
|
|
{
|
|
FuncDeclaration* fd = (FuncDeclaration*)arr->data[i];
|
|
assert(fd->llvmValue);
|
|
new llvm::CallInst(fd->llvmValue, instance, "", gIR->scopebb());
|
|
}
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
void LLVM_DtoInitClass(TypeClass* tc, llvm::Value* dst)
|
|
{
|
|
assert(gIR);
|
|
|
|
assert(tc->llvmType);
|
|
uint64_t size_t_size = gTargetData->getTypeSize(LLVM_DtoSize_t());
|
|
uint64_t n = gTargetData->getTypeSize(tc->llvmType) - size_t_size;
|
|
|
|
// set vtable field
|
|
llvm::Value* vtblvar = LLVM_DtoGEPi(dst,0,0,"tmp",gIR->scopebb());
|
|
assert(tc->sym->llvmVtbl);
|
|
new llvm::StoreInst(tc->sym->llvmVtbl, vtblvar, gIR->scopebb());
|
|
|
|
// copy the static initializer
|
|
if (n > 0) {
|
|
assert(tc->llvmInit);
|
|
assert(dst->getType() == tc->llvmInit->getType());
|
|
|
|
llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty);
|
|
|
|
llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb());
|
|
dstarr = LLVM_DtoGEPi(dstarr,size_t_size,"tmp",gIR->scopebb());
|
|
|
|
llvm::Value* srcarr = new llvm::BitCastInst(tc->llvmInit,arrty,"tmp",gIR->scopebb());
|
|
srcarr = LLVM_DtoGEPi(srcarr,size_t_size,"tmp",gIR->scopebb());
|
|
|
|
llvm::Function* fn = LLVM_DeclareMemCpy32();
|
|
std::vector<llvm::Value*> llargs;
|
|
llargs.resize(4);
|
|
llargs[0] = dstarr;
|
|
llargs[1] = srcarr;
|
|
llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false);
|
|
llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
|
|
|
|
new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb());
|
|
}
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
llvm::Constant* LLVM_DtoInitializer(Type* type, Initializer* init)
|
|
{
|
|
llvm::Constant* _init = 0; // may return zero
|
|
if (!init)
|
|
{
|
|
Logger::println("default initializer");
|
|
elem* e = type->defaultInit()->toElem(gIR);
|
|
if (!e->inplace && !e->isNull()) {
|
|
_init = llvm::cast<llvm::Constant>(e->getValue());
|
|
}
|
|
delete e;
|
|
}
|
|
else if (ExpInitializer* ex = init->isExpInitializer())
|
|
{
|
|
Logger::println("expression initializer");
|
|
elem* e = ex->exp->toElem(gIR);
|
|
if (!e->inplace && !e->isNull()) {
|
|
_init = llvm::cast<llvm::Constant>(e->getValue());
|
|
}
|
|
delete e;
|
|
}
|
|
else if (StructInitializer* si = init->isStructInitializer())
|
|
{
|
|
Logger::println("struct initializer");
|
|
_init = LLVM_DtoStructInitializer(si);
|
|
}
|
|
else if (ArrayInitializer* ai = init->isArrayInitializer())
|
|
{
|
|
Logger::println("array initializer");
|
|
_init = LLVM_DtoArrayInitializer(ai);
|
|
}
|
|
else if (init->isVoidInitializer())
|
|
{
|
|
Logger::println("void initializer");
|
|
const llvm::Type* ty = LLVM_DtoType(type);
|
|
_init = llvm::Constant::getNullValue(ty);
|
|
}
|
|
else {
|
|
Logger::println("unsupported initializer: %s", init->toChars());
|
|
}
|
|
return _init;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
llvm::Value* LLVM_DtoGEP(llvm::Value* ptr, llvm::Value* i0, llvm::Value* i1, const std::string& var, llvm::BasicBlock* bb)
|
|
{
|
|
std::vector<llvm::Value*> v(2);
|
|
v[0] = i0;
|
|
v[1] = i1;
|
|
Logger::cout() << "DtoGEP: " << *ptr << '\n';
|
|
return new llvm::GetElementPtrInst(ptr, v.begin(), v.end(), var, bb);
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
llvm::Value* LLVM_DtoGEP(llvm::Value* ptr, const std::vector<unsigned>& src, const std::string& var, llvm::BasicBlock* bb)
|
|
{
|
|
size_t n = src.size();
|
|
std::vector<llvm::Value*> dst(n);
|
|
Logger::cout() << "indices:";
|
|
for (size_t i=0; i<n; ++i)
|
|
{
|
|
Logger::cout() << ' ' << i;
|
|
dst[i] = llvm::ConstantInt::get(llvm::Type::Int32Ty, src[i], false);
|
|
}
|
|
Logger::cout() << '\n';
|
|
return new llvm::GetElementPtrInst(ptr, dst.begin(), dst.end(), var, bb);
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
llvm::Value* LLVM_DtoGEPi(llvm::Value* ptr, unsigned i, const std::string& var, llvm::BasicBlock* bb)
|
|
{
|
|
return new llvm::GetElementPtrInst(ptr, llvm::ConstantInt::get(llvm::Type::Int32Ty, i, false), var, bb);
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
llvm::Value* LLVM_DtoGEPi(llvm::Value* ptr, unsigned i0, unsigned i1, const std::string& var, llvm::BasicBlock* bb)
|
|
{
|
|
std::vector<llvm::Value*> v(2);
|
|
v[0] = llvm::ConstantInt::get(llvm::Type::Int32Ty, i0, false);
|
|
v[1] = llvm::ConstantInt::get(llvm::Type::Int32Ty, i1, false);
|
|
return new llvm::GetElementPtrInst(ptr, v.begin(), v.end(), var, bb);
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
llvm::Function* LLVM_DtoDeclareFunction(FuncDeclaration* fdecl)
|
|
{
|
|
// mangled name
|
|
char* mangled_name = (fdecl->llvmInternal == LLVMintrinsic) ? fdecl->llvmInternal1 : fdecl->mangle();
|
|
|
|
// unit test special handling
|
|
if (fdecl->isUnitTestDeclaration())
|
|
{
|
|
assert(0 && "no unittests yet");
|
|
/*const llvm::FunctionType* fnty = llvm::FunctionType::get(llvm::Type::VoidTy, std::vector<const llvm::Type*>(), false);
|
|
// make the function
|
|
llvm::Function* func = gIR->module->getFunction(mangled_name);
|
|
if (func == 0)
|
|
func = new llvm::Function(fnty,llvm::GlobalValue::InternalLinkage,mangled_name,gIR->module);
|
|
func->setCallingConv(llvm::CallingConv::Fast);
|
|
fdecl->llvmValue = func;
|
|
return func;
|
|
*/
|
|
}
|
|
|
|
// regular function
|
|
TypeFunction* f = (TypeFunction*)fdecl->type;
|
|
assert(f != 0);
|
|
|
|
if (fdecl->llvmValue != 0) {
|
|
if (!llvm::isa<llvm::Function>(fdecl->llvmValue))
|
|
{
|
|
Logger::cout() << *fdecl->llvmValue << '\n';
|
|
assert(0);
|
|
}
|
|
return llvm::cast<llvm::Function>(fdecl->llvmValue);
|
|
}
|
|
|
|
Logger::print("FuncDeclaration::toObjFile(%s): %s\n", fdecl->needThis()?"this":"static",fdecl->toChars());
|
|
LOG_SCOPE;
|
|
|
|
if (fdecl->llvmInternal == LLVMintrinsic && fdecl->fbody) {
|
|
error("intrinsics cannot have function bodies");
|
|
fatal();
|
|
}
|
|
|
|
// construct function
|
|
const llvm::FunctionType* functype = (f->llvmType == 0) ? LLVM_DtoFunctionType(fdecl) : llvm::cast<llvm::FunctionType>(f->llvmType);
|
|
|
|
// make the function
|
|
llvm::Function* func = gIR->module->getFunction(mangled_name);
|
|
if (func == 0) {
|
|
func = new llvm::Function(functype,LLVM_DtoLinkage(fdecl->protection, fdecl->storage_class),mangled_name,gIR->module);
|
|
}
|
|
|
|
if (fdecl->llvmInternal != LLVMintrinsic)
|
|
func->setCallingConv(LLVM_DtoCallingConv(f->linkage));
|
|
|
|
fdecl->llvmValue = func;
|
|
f->llvmType = functype;
|
|
assert(llvm::isa<llvm::FunctionType>(f->llvmType));
|
|
|
|
if (fdecl->isMain()) {
|
|
gIR->mainFunc = func;
|
|
}
|
|
|
|
// name parameters
|
|
llvm::Function::arg_iterator iarg = func->arg_begin();
|
|
int k = 0;
|
|
if (f->llvmRetInPtr) {
|
|
iarg->setName("retval");
|
|
f->llvmRetArg = iarg;
|
|
++iarg;
|
|
}
|
|
if (f->llvmUsesThis) {
|
|
iarg->setName("this");
|
|
++iarg;
|
|
}
|
|
for (; iarg != func->arg_end(); ++iarg)
|
|
{
|
|
Argument* arg = Argument::getNth(f->parameters, k++);
|
|
assert(arg != 0);
|
|
//arg->llvmValue = iarg;
|
|
//printf("identifier: '%s' %p\n", arg->ident->toChars(), arg->ident);
|
|
if (arg->ident != 0) {
|
|
if (arg->vardecl) {
|
|
arg->vardecl->llvmValue = iarg;
|
|
}
|
|
iarg->setName(arg->ident->toChars());
|
|
}
|
|
else {
|
|
iarg->setName("unnamed");
|
|
}
|
|
}
|
|
|
|
return func;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
void LLVM_DtoGiveArgumentStorage(elem* l)
|
|
{
|
|
assert(l->mem == 0);
|
|
assert(l->val);
|
|
assert(llvm::isa<llvm::Argument>(l->val));
|
|
assert(l->vardecl != 0);
|
|
|
|
llvm::AllocaInst* allocainst = new llvm::AllocaInst(l->val->getType(), l->val->getName()+"_storage", gIR->topallocapoint());
|
|
l->mem = allocainst;
|
|
l->vardecl->llvmValue = l->mem;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
llvm::Value* LLVM_DtoRealloc(llvm::Value* ptr, const llvm::Type* ty)
|
|
{
|
|
/*size_t sz = gTargetData->getTypeSize(ty);
|
|
llvm::ConstantInt* n = llvm::ConstantInt::get(LLVM_DtoSize_t(), sz, false);
|
|
if (ptr == 0) {
|
|
llvm::PointerType* i8pty = llvm::PointerType::get(llvm::Type::Int8Ty);
|
|
ptr = llvm::ConstantPointerNull::get(i8pty);
|
|
}
|
|
return LLVM_DtoRealloc(ptr, n);*/
|
|
return NULL;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
llvm::Value* LLVM_DtoRealloc(llvm::Value* ptr, llvm::Value* n)
|
|
{
|
|
assert(ptr);
|
|
assert(n);
|
|
|
|
llvm::Function* fn = LLVM_D_GetRuntimeFunction(gIR->module, "_d_realloc");
|
|
assert(fn);
|
|
|
|
llvm::Value* newptr = ptr;
|
|
|
|
llvm::PointerType* i8pty = llvm::PointerType::get(llvm::Type::Int8Ty);
|
|
if (ptr->getType() != i8pty) {
|
|
newptr = new llvm::BitCastInst(ptr,i8pty,"tmp",gIR->scopebb());
|
|
}
|
|
|
|
std::vector<llvm::Value*> args;
|
|
args.push_back(newptr);
|
|
args.push_back(n);
|
|
llvm::Value* ret = new llvm::CallInst(fn, args.begin(), args.end(), "tmprealloc", gIR->scopebb());
|
|
|
|
return ret->getType() == ptr->getType() ? ret : new llvm::BitCastInst(ret,ptr->getType(),"tmp",gIR->scopebb());
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
void LLVM_DtoAssert(llvm::Value* cond, llvm::Value* loc, llvm::Value* msg)
|
|
{
|
|
assert(loc);
|
|
std::vector<llvm::Value*> llargs;
|
|
llargs.resize(3);
|
|
llargs[0] = cond ? LLVM_DtoBoolean(cond) : llvm::ConstantInt::getFalse();
|
|
llargs[1] = loc;
|
|
llargs[2] = msg ? msg : llvm::ConstantPointerNull::get(llvm::PointerType::get(llvm::Type::Int8Ty));
|
|
|
|
llvm::Function* fn = LLVM_D_GetRuntimeFunction(gIR->module, "_d_assert");
|
|
assert(fn);
|
|
llvm::CallInst* call = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb());
|
|
call->setCallingConv(llvm::CallingConv::C);
|
|
}
|
|
|
|
|
|
|
|
|
|
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