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authorAlexander Kornienko <alexfh@google.com>2013-04-03 14:07:16 +0000
committerAlexander Kornienko <alexfh@google.com>2013-04-03 14:07:16 +0000
commite133bc868944822bf8961f825d3aa63d6fa48fb7 (patch)
treeebbd4a8040181471467a9737d90d94dc6b58b316 /test/Analysis/RegionInfo/loops_1.ll
parent647735c781c5b37061ee03d6e9e6c7dda92218e2 (diff)
parent080e3c523e87ec68ca1ea5db4cd49816028dd8bd (diff)
Updating branches/google/stable to r178511stable
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/google/stable@178655 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Analysis/RegionInfo/loops_1.ll')
-rw-r--r--test/Analysis/RegionInfo/loops_1.ll41
1 files changed, 41 insertions, 0 deletions
diff --git a/test/Analysis/RegionInfo/loops_1.ll b/test/Analysis/RegionInfo/loops_1.ll
new file mode 100644
index 0000000000..9efe619ad9
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+++ b/test/Analysis/RegionInfo/loops_1.ll
@@ -0,0 +1,41 @@
+; 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 internal fastcc zeroext i8 @loops_1() nounwind {
+entry:
+ br i1 1, label %outer , label %a
+
+a:
+ br label %body
+
+outer:
+ br label %body
+
+body:
+ br i1 1, label %land, label %if
+
+land:
+ br i1 1, label %exit, label %end
+
+exit:
+ br i1 1, label %if, label %end
+
+if:
+ br label %outer
+
+end:
+ ret i8 1
+}
+; CHECK-NOT: =>
+; CHECK: [0] entry => <Function Return>
+; CHECK-NEXT: [1] entry => end
+; STAT: 2 region - The # of regions
+
+; BBIT: entry, outer, body, land, exit, if, end, a,
+; BBIT: entry, outer, body, land, exit, if, a,
+
+; RNIT: entry => end, end,
+; RNIT: entry, outer, body, land, exit, if, a,