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llvm: add attributes to the arguments of function pointer calls

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Closes #13605
This commit is contained in:
Veikka Tuominen
2022-11-20 20:14:03 +02:00
parent 9e276d32f3
commit d968d9d103
6 changed files with 152 additions and 11 deletions
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30
src/zig_llvm.cpp
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@@ -444,6 +444,15 @@ LLVMValueRef ZigLLVMBuildCall(LLVMBuilderRef B, LLVMTypeRef Ty, LLVMValueRef Fn,
return wrap(call_inst);
}
void ZigLLVMAddAttributeAtIndex(LLVMValueRef Val, unsigned Idx, LLVMAttributeRef A) {
if (isa<Function>(unwrap(Val))) {
unwrap<Function>(Val)->addAttributeAtIndex(Idx, unwrap(A));
} else {
unwrap<CallInst>(Val)->addAttributeAtIndex(Idx, unwrap(A));
}
}
LLVMValueRef ZigLLVMBuildMemCpy(LLVMBuilderRef B, LLVMValueRef Dst, unsigned DstAlign,
LLVMValueRef Src, unsigned SrcAlign, LLVMValueRef Size, bool isVolatile)
{
@@ -1065,12 +1074,21 @@ void ZigLLVMSetFastMath(LLVMBuilderRef builder_wrapped, bool on_state) {
}
}
void ZigLLVMAddByValAttr(LLVMValueRef fn_ref, unsigned ArgNo, LLVMTypeRef type_val) {
Function *func = unwrap<Function>(fn_ref);
AttrBuilder attr_builder(func->getContext());
Type *llvm_type = unwrap<Type>(type_val);
attr_builder.addByValAttr(llvm_type);
func->addParamAttrs(ArgNo, attr_builder);
void ZigLLVMAddByValAttr(LLVMValueRef Val, unsigned ArgNo, LLVMTypeRef type_val) {
if (isa<Function>(unwrap(Val))) {
Function *func = unwrap<Function>(Val);
AttrBuilder attr_builder(func->getContext());
Type *llvm_type = unwrap<Type>(type_val);
attr_builder.addByValAttr(llvm_type);
func->addParamAttrs(ArgNo, attr_builder);
} else {
CallInst *call = unwrap<CallInst>(Val);
AttrBuilder attr_builder(call->getContext());
Type *llvm_type = unwrap<Type>(type_val);
attr_builder.addByValAttr(llvm_type);
// NOTE: +1 here since index 0 refers to the return value
call->addAttributeAtIndex(ArgNo + 1, attr_builder.getAttribute(Attribute::ByVal));
}
}
void ZigLLVMAddSretAttr(LLVMValueRef fn_ref, LLVMTypeRef type_val) {