[clang] [llvm] [AMDGPU] Emit a waitcnt instruction after each memory instruction (PR #79236)

[Jay Foad via cfe-commits]

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@@ -2594,12 +2594,10 @@ bool SIMemoryLegalizer::expandAtomicCmpxchgOrRmw(const SIMemOpInfo &MOI,
         MOI.getOrdering() == AtomicOrdering::SequentiallyConsistent ||
         MOI.getFailureOrdering() == AtomicOrdering::Acquire ||
         MOI.getFailureOrdering() == AtomicOrdering::SequentiallyConsistent) {
-      Changed |= CC->insertWait(MI, MOI.getScope(),
-                                MOI.getInstrAddrSpace(),
-                                isAtomicRet(*MI) ? SIMemOp::LOAD :
-                                                   SIMemOp::STORE,
-                                MOI.getIsCrossAddressSpaceOrdering(),
-                                Position::AFTER);
+      Changed |=
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jayfoad wrote:

Remove this.

https://github.com/llvm/llvm-project/pull/79236