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-rw-r--r--llvm/test/Regression/Transforms/InstCombine/cast-set.ll5
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/test/Regression/Transforms/InstCombine/cast-set.ll b/llvm/test/Regression/Transforms/InstCombine/cast-set.ll
index c890a07be42..e9312ad5d9a 100644
--- a/llvm/test/Regression/Transforms/InstCombine/cast-set.ll
+++ b/llvm/test/Regression/Transforms/InstCombine/cast-set.ll
@@ -1,3 +1,8 @@
+; I'm not really sure if instcombine should do things like these. LevelRaise
+; already sufficiently takes care of these cases, but level raise is really
+; slow. Might it be better to make there be an instcombine prepass before
+; level raise that takes care of the obvious stuff?
+
; RUN: if as < %s | opt -instcombine | dis | grep cast
; RUN: then exit 1
; RUN: else exit 0
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