[llvm] [X86][APX] Try to replace NDD with NF instructions when optimizeCompareInstr (PR #130488)

[Shengchen Kan via llvm-commits]

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@@ -5352,10 +5352,12 @@ bool X86InstrInfo::optimizeCompareInstr(MachineInstr &CmpInstr, Register SrcReg,
   MachineInstr *MI = nullptr;
   MachineInstr *Sub = nullptr;
   MachineInstr *Movr0Inst = nullptr;
+  SmallVector<MachineInstr *, 4> NDDInsts;
   bool NoSignFlag = false;
   bool ClearsOverflowFlag = false;
   bool ShouldUpdateCC = false;
   bool IsSwapped = false;
+  bool HasCF = Subtarget.hasNF();
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KanRobert wrote:

HasCF->HasNF

https://github.com/llvm/llvm-project/pull/130488