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Switch to the LLVMBuildGEPWithNoWrapFlags API

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This API allows us to set the nuw flag as well.
This commit is contained in:
Nikita Popov 2025-02-19 10:55:36 +01:00
parent 3b022d8cee
commit 5e9d8a7d55
3 changed files with 36 additions and 12 deletions
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18
compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
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@ -1767,6 +1767,24 @@ extern "C" LLVMValueRef LLVMRustBuildMaxNum(LLVMBuilderRef B, LLVMValueRef LHS,
return wrap(unwrap(B)->CreateMaxNum(unwrap(LHS), unwrap(RHS)));
}
#if LLVM_VERSION_LT(19, 0)
enum {
LLVMGEPFlagInBounds = (1 << 0),
LLVMGEPFlagNUSW = (1 << 1),
LLVMGEPFlagNUW = (1 << 2),
};
extern "C" LLVMValueRef
LLVMBuildGEPWithNoWrapFlags(LLVMBuilderRef B, LLVMTypeRef Ty,
LLVMValueRef Pointer, LLVMValueRef *Indices,
unsigned NumIndices, const char *Name,
unsigned NoWrapFlags) {
if (NoWrapFlags & LLVMGEPFlagInBounds)
return LLVMBuildInBoundsGEP2(B, Ty, Pointer, Indices, NumIndices, Name);
else
return LLVMBuildGEP2(B, Ty, Pointer, Indices, NumIndices, Name);
}
#endif
// Transfers ownership of DiagnosticHandler unique_ptr to the caller.
extern "C" DiagnosticHandler *
LLVMRustContextGetDiagnosticHandler(LLVMContextRef C) {