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Adding Function Parameter + Return Attributes #132

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Merged
merged 2 commits into from
Jul 10, 2024
Merged

Adding Function Parameter + Return Attributes #132

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715111e
adding Fnc param + return attributes
jpmedinagl Jul 10, 2024
788b261
removing double definition
jpmedinagl Jul 10, 2024
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7 changes: 7 additions & 0 deletions compiler/rustc_codegen_llvm/src/llvm/ffi.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1022,6 +1022,13 @@ extern "C" {
// EraseFromParent doesn't exist :(
//pub fn LLVMEraseFromParent(BB: &BasicBlock) -> &Value;
// Enzyme
pub fn LLVMRustAddFncParamAttr<'a>(
Instr: &'a Value,
index: c_uint,
Attr: &'a Attribute
);

pub fn LLVMRustAddRetAttr(V: &Value, attr: AttributeKind);
pub fn LLVMRustRemoveFncAttr(V: &Value, attr: AttributeKind);
pub fn LLVMRustHasDbgMetadata(I: &Value) -> bool;
pub fn LLVMRustHasMetadata(I: &Value, KindID: c_uint) -> bool;
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14 changes: 14 additions & 0 deletions compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -857,6 +857,20 @@ extern "C" void LLVMRustRemoveFncAttr(LLVMValueRef F,
}
}

extern "C" void LLVMRustAddFncParamAttr(LLVMValueRef F, unsigned i,
LLVMAttributeRef RustAttr) {
if (auto *Fn = dyn_cast<Function>(unwrap<Value>(F))) {
Fn->addParamAttr(i, unwrap(RustAttr));
}
}

extern "C" void LLVMRustAddRetFncAttr(LLVMValueRef F,
LLVMRustAttribute RustAttr) {
if (auto *Fn = dyn_cast<Function>(unwrap<Value>(F))) {
Fn->addRetAttr(fromRust(RustAttr));
}
}

extern "C" LLVMMetadataRef LLVMRustDIGetInstMetadata(LLVMValueRef x) {
if (auto *I = dyn_cast<Instruction>(unwrap<Value>(x))) {
// auto *MD = I->getMetadata(LLVMContext::MD_dbg);
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