Add note about nuking Instruction::neg

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/docs/ChrisNotes.txt b/docs/ChrisNotes.txt
index 5fd02d5e8a453f12e46ee30a576a1060fbefa3ef..d36e6c5b32639aed7c43871c9a5f5f133a4cf483 100644 (file)
--- a/docs/ChrisNotes.txt
+++ b/docs/ChrisNotes.txt
@@ -1,3 +1,4 @@
+* Remove Neg instruction.  It is equilivent to sub 0, <v>
 * Fix DCE to elminate br <c>, %L1, %L1 so that it can optimize the main of
   fib.ll better.  Currently I have to do this to get best results:
      as < fib.ll | opt -inline -sccp -dce -sccp -dce |dis