[PATCH] D20872: AMDGPU: Fix incorrectly setting kill flag when copying register tuples

[Matt Arsenault via llvm-commits]

arsenm created this revision.
arsenm added a reviewer: tstellarAMD.
arsenm added a subscriber: llvm-commits.
Herald added subscribers: kzhuravl, arsenm.

This fixes some verifier errors when trackLivenessAfterRegAlloc is enabled.

http://reviews.llvm.org/D20872

Files:
  lib/Target/AMDGPU/SIInstrInfo.cpp

Index: lib/Target/AMDGPU/SIInstrInfo.cpp
===================================================================
--- lib/Target/AMDGPU/SIInstrInfo.cpp
+++ lib/Target/AMDGPU/SIInstrInfo.cpp
@@ -487,7 +487,7 @@
     Builder.addReg(RI.getSubReg(SrcReg, SubIdx));
 
     if (Idx == SubIndices.size() - 1)
-      Builder.addReg(SrcReg, RegState::Kill | RegState::Implicit);
+      Builder.addReg(SrcReg, getKillRegState(KillSrc) | RegState::Implicit);
 
     if (Idx == 0)
       Builder.addReg(DestReg, RegState::Define | RegState::Implicit);


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