mirror of
https://github.com/xomboverlord/ldc.git
synced 2026-01-11 18:33:14 +01:00
8b83eda2a2
Did a lot of smaller cleans up here and there. Replaced more llvm::Foo with LLFoo for common stuff. Split up tollvm.cpp.
363 lines
10 KiB
C++
363 lines
10 KiB
C++
#include "gen/llvm.h"
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#include "mtype.h"
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#include "declaration.h"
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#include "gen/complex.h"
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#include "gen/tollvm.h"
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#include "gen/llvmhelpers.h"
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#include "gen/irstate.h"
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#include "gen/dvalue.h"
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//////////////////////////////////////////////////////////////////////////////////////////
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const llvm::StructType* DtoComplexType(Type* type)
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{
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Type* t = DtoDType(type);
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const LLType* base = DtoComplexBaseType(t);
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std::vector<const LLType*> types;
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types.push_back(base);
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types.push_back(base);
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return llvm::StructType::get(types);
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}
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const LLType* DtoComplexBaseType(Type* t)
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{
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TY ty = DtoDType(t)->ty;
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const LLType* base;
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if (ty == Tcomplex32) {
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return LLType::FloatTy;
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}
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else if (ty == Tcomplex64) {
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return LLType::DoubleTy;
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}
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else if (ty == Tcomplex80) {
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return (global.params.useFP80) ? LLType::X86_FP80Ty : LLType::DoubleTy;
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}
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else {
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assert(0);
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}
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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LLConstant* DtoConstComplex(Type* ty, LLConstant* re, LLConstant* im)
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{
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assert(0);
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const LLType* base = DtoComplexBaseType(ty);
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std::vector<LLConstant*> inits;
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inits.push_back(re);
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inits.push_back(im);
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const llvm::VectorType* vt = llvm::VectorType::get(base, 2);
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return llvm::ConstantVector::get(vt, inits);
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}
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LLConstant* DtoConstComplex(Type* _ty, long double re, long double im)
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{
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TY ty = DtoDType(_ty)->ty;
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llvm::ConstantFP* fre;
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llvm::ConstantFP* fim;
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Type* base = 0;
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if (ty == Tcomplex32) {
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base = Type::tfloat32;
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}
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else if (ty == Tcomplex64) {
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base = Type::tfloat64;
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}
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else if (ty == Tcomplex80) {
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base = (global.params.useFP80) ? Type::tfloat80 : Type::tfloat64;
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}
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std::vector<LLConstant*> inits;
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inits.push_back(DtoConstFP(base, re));
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inits.push_back(DtoConstFP(base, im));
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return llvm::ConstantStruct::get(DtoComplexType(_ty), inits);
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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LLValue* DtoRealPart(DValue* val)
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{
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assert(0);
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return gIR->ir->CreateExtractElement(val->getRVal(), DtoConstUint(0), "tmp");
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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LLValue* DtoImagPart(DValue* val)
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{
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assert(0);
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return gIR->ir->CreateExtractElement(val->getRVal(), DtoConstUint(1), "tmp");
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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DValue* DtoComplex(Type* to, DValue* val)
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{
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Type* t = DtoDType(val->getType());
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TY ty = t->ty;
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if (val->isComplex() || t->iscomplex()) {
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return DtoCastComplex(val, to);
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}
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const LLType* base = DtoComplexBaseType(to);
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LLConstant* undef = llvm::UndefValue::get(base);
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LLConstant* zero;
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if (ty == Tfloat32 || ty == Timaginary32 || ty == Tcomplex32)
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zero = LLConstant::getNullValue(DtoType(Type::tfloat32)); // llvm::ConstantFP::get(llvm::APFloat(0.0f));
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else if (ty == Tfloat64 || ty == Timaginary64 || ty == Tcomplex64)
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zero = LLConstant::getNullValue(DtoType(Type::tfloat64));
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else if (ty == Tfloat80 || ty == Timaginary80 || ty == Tcomplex80)
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zero = LLConstant::getNullValue(DtoType((global.params.useFP80)?Type::tfloat80:Type::tfloat64));
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if (t->isimaginary()) {
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return new DComplexValue(to, zero, val->getRVal());
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}
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else if (t->isfloating()) {
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return new DComplexValue(to, val->getRVal(), zero);
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}
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else
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assert(0);
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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void DtoComplexAssign(LLValue* l, LLValue* r)
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{
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DtoStore(DtoLoad(DtoGEPi(r, 0,0, "tmp")), DtoGEPi(l,0,0,"tmp"));
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DtoStore(DtoLoad(DtoGEPi(r, 0,1, "tmp")), DtoGEPi(l,0,1,"tmp"));
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}
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void DtoComplexSet(LLValue* c, LLValue* re, LLValue* im)
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{
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DtoStore(re, DtoGEPi(c,0,0,"tmp"));
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DtoStore(im, DtoGEPi(c,0,1,"tmp"));
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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void DtoGetComplexParts(DValue* c, LLValue*& re, LLValue*& im)
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{
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// lhs values
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if (DComplexValue* cx = c->isComplex()) {
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re = cx->re;
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im = cx->im;
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}
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else {
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re = DtoLoad(DtoGEPi(c->getRVal(),0,0,"tmp"));
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im = DtoLoad(DtoGEPi(c->getRVal(),0,1,"tmp"));
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}
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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DValue* DtoComplexAdd(Type* type, DValue* lhs, DValue* rhs)
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{
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lhs = DtoComplex(type, lhs);
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rhs = DtoComplex(type, rhs);
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llvm::Value *a, *b, *c, *d, *re, *im;
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// lhs values
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DtoGetComplexParts(lhs, a, b);
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// rhs values
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DtoGetComplexParts(rhs, c, d);
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// add up
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re = gIR->ir->CreateAdd(a, c, "tmp");
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im = gIR->ir->CreateAdd(b, d, "tmp");
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return new DComplexValue(type, re, im);
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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DValue* DtoComplexSub(Type* type, DValue* lhs, DValue* rhs)
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{
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lhs = DtoComplex(type, lhs);
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rhs = DtoComplex(type, rhs);
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llvm::Value *a, *b, *c, *d, *re, *im;
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// lhs values
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DtoGetComplexParts(lhs, a, b);
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// rhs values
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DtoGetComplexParts(rhs, c, d);
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// add up
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re = gIR->ir->CreateSub(a, c, "tmp");
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im = gIR->ir->CreateSub(b, d, "tmp");
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return new DComplexValue(type, re, im);
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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DValue* DtoComplexMul(Type* type, DValue* lhs, DValue* rhs)
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{
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lhs = DtoComplex(type, lhs);
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rhs = DtoComplex(type, rhs);
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llvm::Value *a, *b, *c, *d;
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// lhs values
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DtoGetComplexParts(lhs, a, b);
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// rhs values
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DtoGetComplexParts(rhs, c, d);
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llvm::Value *tmp1, *tmp2, *re, *im;
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tmp1 = gIR->ir->CreateMul(a, c, "tmp");
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tmp2 = gIR->ir->CreateMul(b, d, "tmp");
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re = gIR->ir->CreateSub(tmp1, tmp2, "tmp");
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tmp1 = gIR->ir->CreateMul(b, c, "tmp");
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tmp2 = gIR->ir->CreateMul(a, d, "tmp");
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im = gIR->ir->CreateAdd(tmp1, tmp2, "tmp");
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return new DComplexValue(type, re, im);
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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DValue* DtoComplexDiv(Type* type, DValue* lhs, DValue* rhs)
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{
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lhs = DtoComplex(type, lhs);
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rhs = DtoComplex(type, rhs);
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llvm::Value *a, *b, *c, *d;
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// lhs values
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DtoGetComplexParts(lhs, a, b);
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// rhs values
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DtoGetComplexParts(rhs, c, d);
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llvm::Value *tmp1, *tmp2, *denom, *re, *im;
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tmp1 = gIR->ir->CreateMul(c, c, "tmp");
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tmp2 = gIR->ir->CreateMul(d, d, "tmp");
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denom = gIR->ir->CreateAdd(tmp1, tmp2, "tmp");
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tmp1 = gIR->ir->CreateMul(a, c, "tmp");
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tmp2 = gIR->ir->CreateMul(b, d, "tmp");
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re = gIR->ir->CreateAdd(tmp1, tmp2, "tmp");
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re = gIR->ir->CreateFDiv(re, denom, "tmp");
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tmp1 = gIR->ir->CreateMul(b, c, "tmp");
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tmp2 = gIR->ir->CreateMul(a, d, "tmp");
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im = gIR->ir->CreateSub(tmp1, tmp2, "tmp");
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im = gIR->ir->CreateFDiv(im, denom, "tmp");
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return new DComplexValue(type, re, im);
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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DValue* DtoComplexNeg(Type* type, DValue* val)
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{
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val = DtoComplex(type, val);
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llvm::Value *a, *b, *re, *im;
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// values
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DtoGetComplexParts(val, a, b);
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// sub up
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re = gIR->ir->CreateNeg(a, "tmp");
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im = gIR->ir->CreateNeg(b, "tmp");
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return new DComplexValue(type, re, im);
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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LLValue* DtoComplexEquals(TOK op, DValue* lhs, DValue* rhs)
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{
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Type* type = lhs->getType();
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lhs = DtoComplex(type, lhs);
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rhs = DtoComplex(type, rhs);
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llvm::Value *a, *b, *c, *d;
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// lhs values
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DtoGetComplexParts(lhs, a, b);
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// rhs values
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DtoGetComplexParts(rhs, c, d);
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// select predicate
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llvm::FCmpInst::Predicate cmpop;
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if (op == TOKequal)
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cmpop = llvm::FCmpInst::FCMP_OEQ;
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else
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cmpop = llvm::FCmpInst::FCMP_UNE;
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// (l.re==r.re && l.im==r.im)
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LLValue* b1 = new llvm::FCmpInst(cmpop, a, c, "tmp", gIR->scopebb());
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LLValue* b2 = new llvm::FCmpInst(cmpop, b, d, "tmp", gIR->scopebb());
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return gIR->ir->CreateAnd(b1,b2,"tmp");
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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DValue* DtoCastComplex(DValue* val, Type* _to)
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{
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Type* to = DtoDType(_to);
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Type* vty = val->getType();
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if (to->iscomplex()) {
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if (vty->size() == to->size())
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return val;
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llvm::Value *re, *im;
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DtoGetComplexParts(val, re, im);
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const LLType* toty = DtoComplexBaseType(to);
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if (to->size() < vty->size()) {
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re = gIR->ir->CreateFPTrunc(re, toty, "tmp");
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im = gIR->ir->CreateFPTrunc(im, toty, "tmp");
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}
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else if (to->size() > vty->size()) {
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re = gIR->ir->CreateFPExt(re, toty, "tmp");
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im = gIR->ir->CreateFPExt(im, toty, "tmp");
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}
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else {
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return val;
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}
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if (val->isComplex())
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return new DComplexValue(_to, re, im);
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// unfortunately at this point, the cast value can show up as the lvalue for += and similar expressions.
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// so we need to give it storage, or fix the system that handles this stuff (DLRValue)
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LLValue* mem = new llvm::AllocaInst(DtoType(_to), "castcomplextmp", gIR->topallocapoint());
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DtoComplexSet(mem, re, im);
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return new DLRValue(val->getType(), val->getRVal(), _to, mem);
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}
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else if (to->isimaginary()) {
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if (val->isComplex())
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return new DImValue(to, val->isComplex()->im);
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LLValue* v = val->getRVal();
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DImValue* im = new DImValue(to, DtoLoad(DtoGEPi(v,0,1,"tmp")));
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return DtoCastFloat(im, to);
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}
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else if (to->isfloating()) {
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if (val->isComplex())
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return new DImValue(to, val->isComplex()->re);
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LLValue* v = val->getRVal();
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DImValue* re = new DImValue(to, DtoLoad(DtoGEPi(v,0,0,"tmp")));
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return DtoCastFloat(re, to);
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}
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else
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assert(0);
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} |