[llvm] [AMDGPU] Classify FLAT instructions as VMEM (PR #137148)

[Robert Imschweiler via llvm-commits]

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@@ -2454,8 +2454,8 @@ bool SIInsertWaitcnts::isPreheaderToFlush(
 }
 
 bool SIInsertWaitcnts::isVMEMOrFlatVMEM(const MachineInstr &MI) const {
-  return SIInstrInfo::isVMEM(MI) ||
-         (SIInstrInfo::isFLAT(MI) && mayAccessVMEMThroughFlat(MI));
+  return (SIInstrInfo::isFLAT(MI) && mayAccessVMEMThroughFlat(MI)) ||
+         SIInstrInfo::isVMEM(MI);
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ro-i wrote:

done. But are you sure it's a good idea to list the elements of isVMEM separately?

https://github.com/llvm/llvm-project/pull/137148