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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3287 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/InstCombine/cast-set.ll b/test/Transforms/InstCombine/cast-set.ll
index c890a07be422dc596834ee3d4e76ab9d0fb8d274..e9312ad5d9a7eb7c1b9b8be86257e6cebac3dd39 100644 (file)
--- a/test/Transforms/InstCombine/cast-set.ll
+++ b/test/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