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added separate function that deal with local pointers

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evghenii
2014-01-07 18:29:44 +01:00
parent 9b74e60185
commit 7d37f7b634
1 changed files with 28 additions and 13 deletions
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41
ctx.cpp
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@@ -1832,6 +1832,34 @@ FunctionEmitContext::BitCastInst(llvm::Value *value, llvm::Type *type,
return inst;
}
static llvm::Value* lCorrectLocalPtr(FunctionEmitContext *ctx, llvm::Value* value)
{
assert(value->getType()->isPointerTy());
llvm::PointerType *pt = llvm::dyn_cast<llvm::PointerType>(value->getType());
assert (pt->getAddressSpace() == 3);
llvm::Function *func_tid_x = m->module->getFunction("__tid_x");
llvm::Function *func_warpsz = m->module->getFunction("__warpsize");
llvm::Value *__tid_x = ctx->CallInst(func_tid_x, NULL, std::vector<llvm::Value*>(), "tidCorrectLocalPtr");
llvm::Value *__warpsz = ctx->CallInst(func_warpsz, NULL, std::vector<llvm::Value*>(), "warpSzCorrectLocaLPtr");
llvm::Value *__warpid = ctx->BinaryOperator(llvm::Instruction::SDiv, __tid_x, __warpsz, "warpIdCorrectLocalPtr");
return llvm::GetElementPtrInst::Create(value, __warpid, "__gepCorrectLocalPtr", ctx->GetCurrentBasicBlock());
}
static llvm::Value* lConvertLocalToGenericPtr(FunctionEmitContext *ctx, llvm::Value *value)
{
if (!value->getType()->isPointerTy() || g->target->getISA() != Target::NVPTX) return value;
llvm::PointerType *pt = llvm::dyn_cast<llvm::PointerType>(value->getType());
if (pt->getAddressSpace() != 3) return value;
value = lCorrectLocalPtr(ctx, value);
llvm::PointerType *PointerTy = llvm::PointerType::get(LLVMTypes::Int64Type, 3);
llvm::Value *cast = ctx->BitCastInst(value, PointerTy, "__cvt_log2gen_i64ptr1_");
llvm::Function *__cvt_loc2gen = m->module->getFunction("__cvt_loc2gen");
std::vector<llvm::Value *> __cvt_loc2gen_args;
__cvt_loc2gen_args.push_back(cast);
return ctx->CallInst(__cvt_loc2gen, NULL, __cvt_loc2gen_args, "__cvt_loc2gen1_");
}
llvm::Value *
FunctionEmitContext::PtrToIntInst(llvm::Value *value, const char *name) {
@@ -1847,19 +1875,6 @@ FunctionEmitContext::PtrToIntInst(llvm::Value *value, const char *name) {
if (name == NULL)
name = LLVMGetName(value, "_ptr2int");
if (value->getType()->isPointerTy() && g->target->getISA() == Target::NVPTX)
{
llvm::PointerType *pt = llvm::dyn_cast<llvm::PointerType>(value->getType());
if (pt->getAddressSpace() == 3)
{
llvm::PointerType *PointerTy3 = llvm::PointerType::get(LLVMTypes::Int64Type, 3);
llvm::Value *cast = BitCastInst(value, PointerTy3, "__cvt_log2gen_i64ptr1_");
llvm::Function *__cvt_loc2gen = m->module->getFunction("__cvt_loc2gen");
std::vector<llvm::Value *> __cvt_loc2gen_args;
__cvt_loc2gen_args.push_back(cast);
value = CallInst(__cvt_loc2gen, NULL, __cvt_loc2gen_args, "__cvt_loc2gen1_");
}
}
llvm::Type *type = LLVMTypes::PointerIntType;
llvm::Instruction *inst = new llvm::PtrToIntInst(value, type, name, bblock);