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F4000911
codeinstructions.cpp
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Thu, Jul 9, 5:11 AM
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Sat, Jul 11, 5:11 AM (7 h, 39 m)
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rXR Xreate
codeinstructions.cpp
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#include "codeinstructions.h"
#include "llvmlayer.h"
#include "ast.h"
using namespace llvm;
namespace xreate {
llvm::Value*
InstructionMap::compileDefault(const std::string * const hintRetVar) {
CodeScope body;
std::string varIn;
std::string varOut;
std::string varEl;
int size;
CodeScope *scopeOuter;
llvm::IntegerType *i32Tag = (llvm::IntegerType*) TypeAnnotation(TypePrimitive::i32).toLLVMType();
const std::string itLoopName = "it";
Value *vecIn = scopeOuter->findSymbol(varIn, llvm);
Value *vecOut = scopeOuter->findSymbol(varOut, llvm);
llvm::IRBuilder<> &builder = llvm.builder;
llvm::BasicBlock *blockLoop = llvm::BasicBlock::Create(llvm::getGlobalContext(), "loop", llvm.function);
llvm::BasicBlock *blockBeforeLoop = builder.GetInsertBlock();
llvm::BasicBlock *blockAfterLoop = builder.GetInsertBlock();
Value *cond1 = llvm.builder.CreateICmpEQ(0, ConstantInt::get((i32Tag), size));
builder.CreateCondBr(cond1, blockAfterLoop, blockLoop);
builder.SetInsertPoint(blockLoop);
llvm::PHINode *itLoop = builder.CreatePHI(i32Tag, 2, itLoopName);
itLoop->addIncoming(llvm::ConstantInt::get(i32Tag, 0), blockBeforeLoop);
Value *pElIn = builder.CreateGEP(vecIn, ArrayRef<Value *>(std::vector<Value*>{ConstantInt::get(i32Tag, 0), itLoop}));
Value *pElOut = builder.CreateGEP(vecOut, ArrayRef<Value *>(std::vector<Value*>{ConstantInt::get(i32Tag, 0), itLoop}));
Value *elIn = builder.CreateLoad(pElIn, varEl);
body.bindArg(elIn, std::string(varEl));
Value *elOut = body.compile(llvm);
builder.CreateStore(elOut, pElOut);
Value *itNextLoop = builder.CreateAdd(itLoop, ConstantInt::get(i32Tag, 1));
itLoop->addIncoming(itNextLoop, builder.GetInsertBlock());
Value *cond2 = llvm.builder.CreateICmpSLT(itNextLoop, ConstantInt::get(i32Tag, size));
builder.CreateCondBr(cond2, blockLoop, blockAfterLoop);
builder.SetInsertPoint(blockAfterLoop);
return elOut;
}
/*
void InstructionMap::compileComputation() {
}
*/
InstructionList::InstructionList(const Expression& e, LLVMLayer& l)
: llvm(l), __data(e), __size(e.getOperands().size())
{
}
llvm::Value*
InstructionList::compileDefault(const std::string * const hintRetVar) {
ArrayType* typList = (ArrayType*) (TypeAnnotation(tag_array, TypePrimitive::i32, __size).toLLVMType());
Type*typI32 = TypeAnnotation(TypePrimitive::i32).toLLVMType();
std::vector<Constant *> list;
list.reserve(__size);
const std::vector<Expression> operands = __data.getOperands();
std::transform(operands.begin(), operands.end(), std::inserter(list, list.begin()),
[typI32](const Expression& e){return ConstantFP::get(typI32, e.getValueDouble());});
Value* listSource = ConstantArray::get(typList, ArrayRef<Constant*>(list));
Value* listDest = llvm.builder.CreateAlloca(typList, ConstantFP::get(typI32, __size), *hintRetVar);
llvm.builder.CreateMemCpy(listDest, listSource, __size, 16);
return listDest;
}
}
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