[llvm] 892eb7b - [AMDGPU] Inline mayIgnoreSignedZero into raw flag check (NFC) (#217580)

[via llvm-commits]

Author: Arseniy Obolenskiy
Date: 2026-08-20T14:23:47+02:00
New Revision: 892eb7b5121e6153f41dff86d9ba8e154b9aeec3

URL: https://github.com/llvm/llvm-project/commit/892eb7b5121e6153f41dff86d9ba8e154b9aeec3
DIFF: https://github.com/llvm/llvm-project/commit/892eb7b5121e6153f41dff86d9ba8e154b9aeec3.diff

LOG: [AMDGPU] Inline mayIgnoreSignedZero into raw flag check (NFC) (#217580)

Precommit for https://github.com/llvm/llvm-project/pull/217573

Added: 
    

Modified: 
    llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
    llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
index 3f93ca66dca17..7acc9ca2bafbd 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
@@ -648,14 +648,6 @@ AMDGPUTargetLowering::AMDGPUTargetLowering(const TargetMachine &TM,
   setMaxLargeFPConvertBitWidthSupported(64);
 }
 
-bool AMDGPUTargetLowering::mayIgnoreSignedZero(SDValue Op) const {
-  const auto Flags = Op.getNode()->getFlags();
-  if (Flags.hasNoSignedZeros())
-    return true;
-
-  return false;
-}
-
 //===----------------------------------------------------------------------===//
 // Target Information
 //===----------------------------------------------------------------------===//
@@ -5230,7 +5222,7 @@ SDValue AMDGPUTargetLowering::performFNegCombine(SDNode *N,
   SDLoc SL(N);
   switch (Opc) {
   case ISD::FADD: {
-    if (!mayIgnoreSignedZero(N0) && !N->getFlags().hasNoSignedZeros())
+    if (!N0->getFlags().hasNoSignedZeros() && !N->getFlags().hasNoSignedZeros())
       return SDValue();
 
     // (fneg (fadd x, y)) -> (fadd (fneg x), (fneg y))
@@ -5278,7 +5270,7 @@ SDValue AMDGPUTargetLowering::performFNegCombine(SDNode *N,
   case ISD::FMA:
   case ISD::FMAD: {
     // TODO: handle llvm.amdgcn.fma.legacy
-    if (!mayIgnoreSignedZero(N0) && !N->getFlags().hasNoSignedZeros())
+    if (!N0->getFlags().hasNoSignedZeros() && !N->getFlags().hasNoSignedZeros())
       return SDValue();
 
     // (fneg (fma x, y, z)) -> (fma x, (fneg y), (fneg z))

diff  --git a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h
index f24f33e7dcb70..912315532b7d5 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h
+++ b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h
@@ -194,8 +194,6 @@ class AMDGPUTargetLowering : public TargetLowering {
   AMDGPUTargetLowering(const TargetMachine &TM, const TargetSubtargetInfo &STI,
                        const AMDGPUSubtarget &AMDGPUSTI);
 
-  bool mayIgnoreSignedZero(SDValue Op) const;
-
   static inline SDValue stripBitcast(SDValue Val) {
     return Val.getOpcode() == ISD::BITCAST ? Val.getOperand(0) : Val;
   }