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| author | Tobias Grosser <grosser@fim.uni-passau.de> | 2011-01-20 21:03:22 +0000 |
|---|---|---|
| committer | Tobias Grosser <grosser@fim.uni-passau.de> | 2011-01-20 21:03:22 +0000 |
| commit | e906921480beacea2dea2d5ce8156bc246ee12a7 (patch) | |
| tree | e4e746044ea086d9d185328713be69f2fc758889 /test/Analysis/ScalarEvolution | |
| parent | 5839614d977a18a3eef4e03b8aae6d2e12ecb2c7 (diff) | |
| download | llvm-e906921480beacea2dea2d5ce8156bc246ee12a7.tar.gz llvm-e906921480beacea2dea2d5ce8156bc246ee12a7.tar.bz2 llvm-e906921480beacea2dea2d5ce8156bc246ee12a7.tar.xz | |
Implement requiredTransitive
The PassManager did not implement the transitivity of requiredTransitive. This
was unnoticed since 2006.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123942 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Analysis/ScalarEvolution')
| -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 +} |