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Diffstat (limited to 'test/Analysis/RegionInfo/loops_1.ll')
| -rw-r--r-- | test/Analysis/RegionInfo/loops_1.ll | 41 |
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 --- /dev/null +++ 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, |