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| author | paperchalice <liujunchang97@outlook.com> | 2025-07-29 12:11:52 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-07-29 12:11:52 +0800 |
| commit | ce86ff105b506aa0f150f676f59ee43abc00a213 (patch) | |
| tree | 8f2cc18970522cdefa9276558550e4c6cf678a40 /llvm/lib/CodeGen | |
| parent | b39160ddfb625bd57f9113471b15cda748151a10 (diff) | |
| download | llvm-ce86ff105b506aa0f150f676f59ee43abc00a213.zip llvm-ce86ff105b506aa0f150f676f59ee43abc00a213.tar.gz llvm-ce86ff105b506aa0f150f676f59ee43abc00a213.tar.bz2 | |
[GlobalISel] Remove `UnsafeFPMath` references (#146319)
This is the GlobalISel part to remove `UnsafeFPMath` flag in CodeGen
pipeline.
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp | 6 | ||||
| -rw-r--r-- | llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp | 2 |
2 files changed, 3 insertions, 5 deletions
diff --git a/llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp index e8f513a..e84ba91 100644 --- a/llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp +++ b/llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp @@ -5949,8 +5949,7 @@ bool CombinerHelper::canCombineFMadOrFMA(MachineInstr &MI, const TargetOptions &Options = MF->getTarget().Options; LLT DstType = MRI.getType(MI.getOperand(0).getReg()); - if (CanReassociate && - !(Options.UnsafeFPMath || MI.getFlag(MachineInstr::MIFlag::FmReassoc))) + if (CanReassociate && !MI.getFlag(MachineInstr::MIFlag::FmReassoc)) return false; // Floating-point multiply-add with intermediate rounding. @@ -5962,8 +5961,7 @@ bool CombinerHelper::canCombineFMadOrFMA(MachineInstr &MI, if (!HasFMAD && !HasFMA) return false; - AllowFusionGlobally = Options.AllowFPOpFusion == FPOpFusion::Fast || - Options.UnsafeFPMath || HasFMAD; + AllowFusionGlobally = Options.AllowFPOpFusion == FPOpFusion::Fast || HasFMAD; // If the addition is not contractable, do not combine. if (!AllowFusionGlobally && !MI.getFlag(MachineInstr::MIFlag::FmContract)) return false; diff --git a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp index ed7b07f..538a763 100644 --- a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp +++ b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp @@ -8004,7 +8004,7 @@ LegalizerHelper::lowerFPTRUNC_F64_TO_F16(MachineInstr &MI) { if (MRI.getType(Src).isVector()) // TODO: Handle vectors directly. return UnableToLegalize; - if (MIRBuilder.getMF().getTarget().Options.UnsafeFPMath) { + if (MI.getFlag(MachineInstr::FmAfn)) { unsigned Flags = MI.getFlags(); auto Src32 = MIRBuilder.buildFPTrunc(S32, Src, Flags); MIRBuilder.buildFPTrunc(Dst, Src32, Flags); |