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-rw-r--r--test/Analysis/RegionInfo/loop_with_condition.ll47
1 files changed, 47 insertions, 0 deletions
diff --git a/test/Analysis/RegionInfo/loop_with_condition.ll b/test/Analysis/RegionInfo/loop_with_condition.ll
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+++ b/test/Analysis/RegionInfo/loop_with_condition.ll
@@ -0,0 +1,47 @@
+; REQUIRES: asserts
+; RUN: opt -regions -analyze < %s | FileCheck %s
+; RUN: opt -regions -stats < %s 2>&1 | FileCheck -check-prefix=STAT %s
+
+; RUN: opt -regions -print-region-style=bb -analyze < %s 2>&1 | FileCheck -check-prefix=BBIT %s
+; RUN: opt -regions -print-region-style=rn -analyze < %s 2>&1 | FileCheck -check-prefix=RNIT %s
+
+define void @normal_condition() nounwind {
+0:
+ br label %"1"
+1:
+ br i1 1, label %"6", label %"2"
+2:
+ br i1 1, label %"3", label %"4"
+3:
+ br label %"5"
+4:
+ br label %"5"
+5:
+ br label %"8"
+8:
+ br i1 1, label %"7", label %"9"
+9:
+ br label %"2"
+7:
+ br label %"6"
+6:
+ ret void
+}
+
+; CHECK-NOT: =>
+; CHECK: [0] 0 => <Function Return>
+; CHECK-NEXT: [1] 1 => 6
+; CHECK-NEXT: [2] 2 => 7
+; CHECK-NEXT: [3] 2 => 5
+; STAT: 4 region - The # of regions
+; STAT: 1 region - The # of simple regions
+
+; BBIT: 0, 1, 6, 2, 3, 5, 8, 7, 9, 4,
+; BBIT: 1, 2, 3, 5, 8, 7, 9, 4,
+; BBIT: 2, 3, 5, 8, 9, 4,
+; BBIT: 2, 3, 4,
+
+; RNIT: 0, 1 => 6, 6,
+; RNIT: 1, 2 => 7, 7,
+; RNIT: 2 => 5, 5, 8, 9,
+; RNIT: 2, 3, 4,