1 files changed, 46 insertions, 0 deletions
diff --git a/test/Transforms/LoopUnswitch/2012-04-02-IndirectBr.ll b/test/Transforms/LoopUnswitch/2012-04-02-IndirectBr.ll
new file mode 100644
index 0000000..c677bde
--- /dev/null
+++ b/test/Transforms/LoopUnswitch/2012-04-02-IndirectBr.ll
@@ -0,0 +1,46 @@
+; RUN: opt -loop-unswitch -disable-output -stats -info-output-file - < %s | FileCheck --check-prefix=STATS %s
+; RUN: opt -S -loop-unswitch -verify-loop-info -verify-dom-info %s | FileCheck %s
+
+; STATS: 1 loop-unswitch - Total number of instructions analyzed
+
+; CHECK:       %0 = icmp eq i64 undef, 0
+; CHECK-NEXT:  br i1 %0, label %"5", label %"4"
+
+; CHECK:       "5":                                              ; preds = %entry
+; CHECK-NEXT:  br label %"5.split"
+
+; CHECK:       "5.split":                                        ; preds = %"5"
+; CHECK-NEXT:  br label %"16"
+
+; CHECK:       "16":                                             ; preds = %"22", %"5.split"
+; CHECK-NEXT:  indirectbr i8* undef, [label %"22", label %"33"]
+
+; CHECK:       "22":                                             ; preds = %"16"
+; CHECK-NEXT:  br i1 %0, label %"16", label %"26"
+
+; CHECK:       "26":                                             ; preds = %"22"
+; CHECK-NEXT:  unreachable
+
+define void @foo() {
+entry:
+  %0 = icmp eq i64 undef, 0
+  br i1 %0, label %"5", label %"4"
+
+"4":                                              ; preds = %entry
+  unreachable
+
+"5":                                              ; preds = %entry
+  br label %"16"
+
+"16":                                             ; preds = %"22", %"5"
+  indirectbr i8* undef, [label %"22", label %"33"]
+
+"22":                                             ; preds = %"16"
+  br i1 %0, label %"16", label %"26"
+
+"26":                                             ; preds = %"22"
+  unreachable
+
+"33":                                             ; preds = %"16"
+  unreachable
+}