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Chris Lattner b0418fc607 Enhance instcombine to be more aggressive about folding casts of
operations of casts.  This implements InstCombine/zext-fold.ll

llvm-svn: 40726
2007-08-02 06:11:14 +00:00
clang Fix a bug in my previous commit 2007-08-02 04:22:39 +00:00
llvm Enhance instcombine to be more aggressive about folding casts of 2007-08-02 06:11:14 +00:00