diff options
Diffstat (limited to 'compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp')
| -rw-r--r-- | compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp index 7326f2e8e2a..664d2adbdc1 100644 --- a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp +++ b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp @@ -418,11 +418,17 @@ extern "C" LLVMAttributeRef LLVMRustCreateMemoryEffectsAttr(LLVMContextRef C, } } +<<<<<<< HEAD // Enable all fast-math flags, including those which will cause floating-point operations // to return poison for some well-defined inputs. This function can only be used to build // unsafe Rust intrinsics. That unsafety does permit additional optimizations, but at the // time of writing, their value is not well-understood relative to those enabled by // LLVMRustSetAlgebraicMath. +||||||| parent of 019019d83e2 (make simd_reduce_{mul,add}_unordered use only the 'reassoc' flag, not all fast-math flags) +// Enable a fast-math flag +======= +// Enable all fast-math flags +>>>>>>> 019019d83e2 (make simd_reduce_{mul,add}_unordered use only the 'reassoc' flag, not all fast-math flags) // // https://llvm.org/docs/LangRef.html#fast-math-flags extern "C" void LLVMRustSetFastMath(LLVMValueRef V) { @@ -450,6 +456,15 @@ extern "C" void LLVMRustSetAlgebraicMath(LLVMValueRef V) { } } +// Enable the reassoc fast-math flag +// +// https://llvm.org/docs/LangRef.html#fast-math-flags +extern "C" void LLVMRustSetAllowReassoc(LLVMValueRef V) { + if (auto I = dyn_cast<Instruction>(unwrap<Value>(V))) { + I->setHasAllowReassoc(true); + } +} + extern "C" LLVMValueRef LLVMRustBuildAtomicLoad(LLVMBuilderRef B, LLVMTypeRef Ty, LLVMValueRef Source, const char *Name, LLVMAtomicOrdering Order) { |