1 files changed, 21 insertions, 0 deletions
diff --git a/test/CodeGen/R600/i1-copy-implicit-def.ll b/test/CodeGen/R600/i1-copy-implicit-def.ll
new file mode 100644
index 0000000..7c5bc04
--- /dev/null
+++ b/test/CodeGen/R600/i1-copy-implicit-def.ll
@@ -0,0 +1,21 @@
+; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
+
+; SILowerI1Copies was not handling IMPLICIT_DEF
+; SI-LABEL: {{^}}br_implicit_def:
+; SI: BB#0:
+; SI-NEXT: s_and_saveexec_b64
+; SI-NEXT: s_xor_b64
+; SI-NEXT: BB#1:
+define void @br_implicit_def(i32 addrspace(1)* %out, i32 %arg) #0 {
+bb:
+  br i1 undef, label %bb1, label %bb2
+
+bb1:
+  store volatile i32 123, i32 addrspace(1)* %out
+  ret void
+
+bb2:
+  ret void
+}
+
+attributes #0 = { nounwind }