[llvm] [X86] Refine speed up checking clobbered FP/BP to make IPRA work. (PR #109246)

[Phoebe Wang via llvm-commits]

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@@ -4567,7 +4570,9 @@ void X86FrameLowering::spillFPBP(MachineFunction &MF) const {
 
       // If the bp is clobbered by a call, we should save and restore outside of
       // the frame setup instructions.
-      if (KillMI->isCall() && DefMI != ME) {
+      // When IPRA is enabled, we could skip this step.
+      if (KillMI->isCall() && DefMI != ME && !MF.hasInlineAsm() &&
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phoebewang wrote:

Why checking `hasInlineAsm`?

https://github.com/llvm/llvm-project/pull/109246