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

[Pierre van Houtryve 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(),
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Pierre-vh wrote:

extra formatting change

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