diff options
Diffstat (limited to 'test/Analysis/ScalarEvolution/2010-09-03-RequiredTransitive.ll')
| -rw-r--r-- | test/Analysis/ScalarEvolution/2010-09-03-RequiredTransitive.ll | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/test/Analysis/ScalarEvolution/2010-09-03-RequiredTransitive.ll b/test/Analysis/ScalarEvolution/2010-09-03-RequiredTransitive.ll new file mode 100644 index 0000000000..aba0ce7467 --- /dev/null +++ b/test/Analysis/ScalarEvolution/2010-09-03-RequiredTransitive.ll @@ -0,0 +1,24 @@ +; RUN: opt -indvars -scalar-evolution -analyze %s +; This test checks if the SCEV analysis is printed out at all. +; It failed once as the RequiredTransitive option was not implemented +; correctly. + +define i32 @main() nounwind { +entry: + br label %for.cond + +for.cond: ; preds = %for.inc, %entry + %indvar1 = phi i64 [ %indvar.next2, %for.inc ], [ 0, %entry ] ; <i64> [#uses=3] + %exitcond = icmp ne i64 %indvar1, 1024 ; <i1> [#uses=1] + br i1 %exitcond, label %for.body, label %for.end + +for.body: ; preds = %for.cond + br label %for.inc + +for.inc: ; preds = %for.body + %indvar.next2 = add i64 %indvar1, 1 ; <i64> [#uses=1] + br label %for.cond + +for.end: ; preds = %for.cond + ret i32 0 +} |