[PATCH] D117796: AMDGPU: Fix LiveVariables error after lowering SI_END_CF

[Ruiling, Song via Phabricator via llvm-commits]

ruiling added inline comments.


================
Comment at: llvm/test/CodeGen/AMDGPU/lower-control-flow-live-variables-update.mir:60-87
+  bb.0:
+    successors: %bb.2(0x40000000), %bb.1(0x40000000)
+    liveins: $vgpr0
+
+    %0:vgpr_32 = COPY killed $vgpr0
+    %1:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
+    %2:sreg_64_xexec = V_CMP_EQ_U32_e64 0, killed %0, implicit $exec
----------------
Could you show me the .ll and the llc command to reproduce the issue? the test has irreducible control flow, something must be wrong in early pass.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D117796/new/

https://reviews.llvm.org/D117796