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-rw-r--r--llvm/test/CodeGen/AMDGPU/constant-fold-imm-immreg.mir27
1 files changed, 27 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/constant-fold-imm-immreg.mir b/llvm/test/CodeGen/AMDGPU/constant-fold-imm-immreg.mir
index e8e794f369a..11d7612d6d1 100644
--- a/llvm/test/CodeGen/AMDGPU/constant-fold-imm-immreg.mir
+++ b/llvm/test/CodeGen/AMDGPU/constant-fold-imm-immreg.mir
@@ -804,3 +804,30 @@ body: |
S_ENDPGM
...
+---
+# Make sure there is no crash if one of the operands is a physical register
+# GCN-LABEL: name: constant_fold_physreg_op{{$}}
+# GCN: %3:sreg_64 = S_AND_B64 $exec, 0, implicit-def dead $scc
+
+name: constant_fold_physreg_op
+tracksRegLiveness: true
+body: |
+ bb.0:
+ successors: %bb.1, %bb.3
+ liveins: $vgpr0, $sgpr4_sgpr5
+
+ %19:sreg_64 = IMPLICIT_DEF
+ %0:sreg_64 = SI_IF killed %19, %bb.3, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
+ S_BRANCH %bb.1
+
+ bb.1:
+ %6:sreg_64 = S_MOV_B64 0
+ %7:sreg_64 = S_AND_B64 $exec, killed %6, implicit-def dead $scc
+ $vcc = COPY %7
+
+ bb.3:
+ liveins: $vcc
+ SI_END_CF %0, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
+ S_ENDPGM implicit $vcc
+
+...
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