================
@@ -1708,6 +1710,19 @@ bool
SIInsertWaitcnts::insertWaitcntInBlock(MachineFunction &MF,
}
++Iter;
+ if (ST->isPreciseMemoryEnabled() && Inst.mayLoadOrStore()) {
+ auto Builder =
+ BuildMI(Block, Iter, DebugLoc(), TII->get(AMDGPU::S_WAITCNT))
+ .addImm(0);
+ if (IsGFX10Plus) {
----------------
jayfoad wrote:
Yes but why? On GFX10+, why would you put s_waitcnt(0) after a store or
s_waitcnt_vscnt(0) after a load?
https://github.com/llvm/llvm-project/pull/68932
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