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Diffstat (limited to 'test/Transforms/InstCombine/phi-merge-gep.ll')
| -rw-r--r-- | test/Transforms/InstCombine/phi-merge-gep.ll | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/test/Transforms/InstCombine/phi-merge-gep.ll b/test/Transforms/InstCombine/phi-merge-gep.ll index 73c770e08c..2671749709 100644 --- a/test/Transforms/InstCombine/phi-merge-gep.ll +++ b/test/Transforms/InstCombine/phi-merge-gep.ll @@ -2,7 +2,8 @@ ; RUN: grep {= getelementptr} %t | count 20 ; RUN: grep {= phi} %t | count 13 -; Don't push the geps through these phis; they have multiple uses! +; Don't push the geps through these phis, because they would require +; two phis each, which burdens the loop with high register pressure. define void @foo(float* %Ar, float* %Ai, i64 %As, float* %Cr, float* %Ci, i64 %Cs, i64 %n) nounwind { entry: |