[llvm] [X86][CodeGen] Teach frame lowering to spill/reload registers w/ PUSHP/POPP, PUSH2[P]/POP2[P] (PR #73292)

[Phoebe Wang via llvm-commits]

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@@ -2357,10 +2408,11 @@ void X86FrameLowering::emitEpilogue(MachineFunction &MF,
     unsigned Opc = PI->getOpcode();
 
     if (Opc != X86::DBG_VALUE && !PI->isTerminator()) {
-      if ((Opc != X86::POP32r || !PI->getFlag(MachineInstr::FrameDestroy)) &&
-          (Opc != X86::POP64r || !PI->getFlag(MachineInstr::FrameDestroy)) &&
-          (Opc != X86::BTR64ri8 || !PI->getFlag(MachineInstr::FrameDestroy)) &&
-          (Opc != X86::ADD64ri32 || !PI->getFlag(MachineInstr::FrameDestroy)))
+      if (!PI->getFlag(MachineInstr::FrameDestroy) ||
+          (Opc != X86::POP32r && Opc != X86::POP64r &&
+           (Opc != X86::BTR64ri8 && Opc != X86::ADD64ri32 &&
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phoebewang wrote:

No need bracket here.

https://github.com/llvm/llvm-project/pull/73292