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-rw-r--r--test/Analysis/RegionInfo/infinite_loop_2.ll36
1 files changed, 36 insertions, 0 deletions
diff --git a/test/Analysis/RegionInfo/infinite_loop_2.ll b/test/Analysis/RegionInfo/infinite_loop_2.ll
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index 0000000000..80c69b7ab2
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+++ b/test/Analysis/RegionInfo/infinite_loop_2.ll
@@ -0,0 +1,36 @@
+; RUN: opt -regions -analyze < %s
+; RUN: opt -regions -stats < %s |& FileCheck -check-prefix=STAT %s
+; RUN: opt -regions -print-region-style=bb -analyze < %s |& FileCheck -check-prefix=BBIT %s
+; RUN: opt -regions -print-region-style=rn -analyze < %s |& FileCheck -check-prefix=RNIT %s
+
+define void @normal_condition() nounwind {
+0:
+ br label %"1"
+1:
+ br i1 1, label %"2", label %"3"
+2:
+ br label %"5"
+5:
+ br i1 1, label %"11", label %"12"
+11:
+ br label %"6"
+12:
+ br label %"6"
+6:
+ br label %"2"
+3:
+ br label %"4"
+4:
+ ret void
+}
+; CHECK-NOT: =>
+; CHECK: [0] 0 => <Function Return>
+; CHECK: [1] 1 => 3
+; STAT: 2 region - The # of regions
+; STAT: 1 region - The # of simple regions
+
+; BBIT: 0, 1, 2, 5, 11, 6, 12, 3, 4,
+; BBIT: 1, 2, 5, 11, 6, 12,
+
+; RNIT: 0, 1 => 3, 3, 4,
+; RNIT: 1, 2, 5, 11, 6, 12,