[llvm] [CodeGen] Fix MachineInstr::isSafeToMove handling of inline asm. (PR #126807)

[Matt Arsenault via llvm-commits]

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@@ -1310,7 +1310,7 @@ bool MachineInstr::isSafeToMove(bool &SawStore) const {
 
   if (isPosition() || isDebugInstr() || isTerminator() ||
       mayRaiseFPException() || hasUnmodeledSideEffects() ||
-      isJumpTableDebugInfo())
+      isJumpTableDebugInfo() || isInlineAsm())
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arsenm wrote:

hasUnmodeledSideEffects already special cases inline asm, so move these checks together? Could even weaken the hasUnmodeledSideEffects part to the raw property check. The other contexts where asm is special cased have a comment about it (e.g. isDead)

https://github.com/llvm/llvm-project/pull/126807