[llvm-branch-commits] [llvm] [AMDGPU] Insert exec-forced V_NOP after V_PERM_PK16 (gfx1250 hazard) (PR #214406)

[Stanislav Mekhanoshin via llvm-branch-commits]

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@@ -446,6 +446,14 @@ bool SILowerSGPRSpillsLegacy::runOnMachineFunction(MachineFunction &MF) {
   return SILowerSGPRSpills(LIS, Indexes, MDT, MCI).run(MF);
 }
 
+static bool hasVPermPk16(const MachineFunction &MF) {
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rampitec wrote:

Yet another scan of the whole kernel? And it does not even cover any functions which may be called.

https://github.com/llvm/llvm-project/pull/214406