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Diffstat (limited to 'test/Transforms/IndVarSimplify/loop_evaluate_6.ll')
| -rw-r--r-- | test/Transforms/IndVarSimplify/loop_evaluate_6.ll | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/test/Transforms/IndVarSimplify/loop_evaluate_6.ll b/test/Transforms/IndVarSimplify/loop_evaluate_6.ll index 35fbf52b7ef0..0d17a801a9cc 100644 --- a/test/Transforms/IndVarSimplify/loop_evaluate_6.ll +++ b/test/Transforms/IndVarSimplify/loop_evaluate_6.ll @@ -1,7 +1,9 @@ ; RUN: llvm-as < %s | opt -indvars -loop-deletion | llvm-dis | grep phi | count 1 +; XFAIL: * -; Indvars should be able to evaluate this loop, allowing loop deletion -; to delete it. +; Indvars can't evaluate this loop, because ScalarEvolution can't compute +; an exact trip count, because it doesn't know if dividing by the stride will +; have a remainder. It could be done with more aggressive VRP though. define i32 @test(i32 %x_offs) nounwind readnone { entry: |