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rustc_trans: compute better align/dereferenceable attributes from pointees.

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This commit is contained in:
Eduard-Mihai Burtescu 2017-10-03 10:45:07 +03:00
parent ced5e04e8b
commit f8d5d0c30c
5 changed files with 242 additions and 128 deletions
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58
src/rustllvm/RustWrapper.cpp
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@ -178,6 +178,22 @@ extern "C" void LLVMRustAddCallSiteAttribute(LLVMValueRef Instr, unsigned Index,
#endif
}
extern "C" void LLVMRustAddAlignmentCallSiteAttr(LLVMValueRef Instr,
unsigned Index,
uint32_t Bytes) {
CallSite Call = CallSite(unwrap<Instruction>(Instr));
AttrBuilder B;
B.addAlignmentAttr(Bytes);
#if LLVM_VERSION_GE(5, 0)
Call.setAttributes(Call.getAttributes().addAttributes(
Call->getContext(), Index, B));
#else
Call.setAttributes(Call.getAttributes().addAttributes(
Call->getContext(), Index,
AttributeSet::get(Call->getContext(), Index, B)));
#endif
}
extern "C" void LLVMRustAddDereferenceableCallSiteAttr(LLVMValueRef Instr,
unsigned Index,
uint64_t Bytes) {
@ -194,6 +210,22 @@ extern "C" void LLVMRustAddDereferenceableCallSiteAttr(LLVMValueRef Instr,
#endif
}
extern "C" void LLVMRustAddDereferenceableOrNullCallSiteAttr(LLVMValueRef Instr,
unsigned Index,
uint64_t Bytes) {
CallSite Call = CallSite(unwrap<Instruction>(Instr));
AttrBuilder B;
B.addDereferenceableOrNullAttr(Bytes);
#if LLVM_VERSION_GE(5, 0)
Call.setAttributes(Call.getAttributes().addAttributes(
Call->getContext(), Index, B));
#else
Call.setAttributes(Call.getAttributes().addAttributes(
Call->getContext(), Index,
AttributeSet::get(Call->getContext(), Index, B)));
#endif
}
extern "C" void LLVMRustAddFunctionAttribute(LLVMValueRef Fn, unsigned Index,
LLVMRustAttribute RustAttr) {
Function *A = unwrap<Function>(Fn);
@ -206,6 +238,19 @@ extern "C" void LLVMRustAddFunctionAttribute(LLVMValueRef Fn, unsigned Index,
#endif
}
extern "C" void LLVMRustAddAlignmentAttr(LLVMValueRef Fn,
unsigned Index,
uint32_t Bytes) {
Function *A = unwrap<Function>(Fn);
AttrBuilder B;
B.addAlignmentAttr(Bytes);
#if LLVM_VERSION_GE(5, 0)
A->addAttributes(Index, B);
#else
A->addAttributes(Index, AttributeSet::get(A->getContext(), Index, B));
#endif
}
extern "C" void LLVMRustAddDereferenceableAttr(LLVMValueRef Fn, unsigned Index,
uint64_t Bytes) {
Function *A = unwrap<Function>(Fn);
@ -218,6 +263,19 @@ extern "C" void LLVMRustAddDereferenceableAttr(LLVMValueRef Fn, unsigned Index,
#endif
}
extern "C" void LLVMRustAddDereferenceableOrNullAttr(LLVMValueRef Fn,
unsigned Index,
uint64_t Bytes) {
Function *A = unwrap<Function>(Fn);
AttrBuilder B;
B.addDereferenceableOrNullAttr(Bytes);
#if LLVM_VERSION_GE(5, 0)
A->addAttributes(Index, B);
#else
A->addAttributes(Index, AttributeSet::get(A->getContext(), Index, B));
#endif
}
extern "C" void LLVMRustAddFunctionAttrStringValue(LLVMValueRef Fn,
unsigned Index,
const char *Name,