================
@@ -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) {
+ Builder =
+ BuildMI(Block, Iter, DebugLoc(), TII->get(AMDGPU::S_WAITCNT_VSCNT))
+ .addReg(AMDGPU::SGPR_NULL, RegState::Undef)
+ .addImm(0);
+ }
+ OldWaitcntInstr = Builder.getInstr();
----------------
jwanggit86 wrote:
Done.
https://github.com/llvm/llvm-project/pull/68932
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