================
@@ -15740,6 +15740,32 @@ void
SITargetLowering::finalizeLowering(MachineFunction &MF) const {
}
}
+ // ISel inserts copy to regs for the successor PHIs
+ // at the BB end. We need to move the SI_WAVE_RECONVERGE right before the
----------------
arsenm wrote:
Can you avoid this by gluing the pseudo to the root node? Also, I think you can
avoid a second walk over the function by doing this in
EmitInstrWithCustomInserter
https://github.com/llvm/llvm-project/pull/92809
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