https://github.com/arsenm created https://github.com/llvm/llvm-project/pull/176017
NFC refactor to use shared code for fold to constant or set fast math flags. >From 25760c21d712c64df47169ad5b50acefd6216793 Mon Sep 17 00:00:00 2001 From: Matt Arsenault <[email protected]> Date: Wed, 14 Jan 2026 20:37:45 +0100 Subject: [PATCH] InstCombine: Use SimplifyDemandedFPClass epilog helper function for fma NFC refactor to use shared code for fold to constant or set fast math flags. --- .../InstCombine/InstCombineSimplifyDemanded.cpp | 16 ++-------------- 1 file changed, 2 insertions(+), 14 deletions(-) diff --git a/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp b/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp index b198e5e824f1f..ce9dec699b06f 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp @@ -2582,20 +2582,8 @@ Value *InstCombinerImpl::SimplifyDemandedUseFPClass(Instruction *I, Known = KnownFPClass::fma(KnownSrc[0], KnownSrc[1], KnownSrc[2], Mode); } - FPClassTest ValidResults = DemandedMask & Known.KnownFPClasses; - if (Constant *SingleVal = - getFPClassConstant(VTy, ValidResults, /*IsCanonicalizing=*/true)) - return SingleVal; - - FastMathFlags InferredFMF = - inferFastMathValueFlags(FMF, ValidResults, KnownSrc); - if (InferredFMF != FMF) { - CI->dropUBImplyingAttrsAndMetadata(); - CI->setFastMathFlags(InferredFMF); - return I; - } - - break; + return simplifyDemandedFPClassResult(CI, FMF, DemandedMask, Known, + {KnownSrc}); } case Intrinsic::maximum: case Intrinsic::minimum: _______________________________________________ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
