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Chris Lattner 411336fe04 Add two optimizations. The first folds (X+Y)-X -> Y

The second folds operations into selects, e.g. (select C, (X+Y), (Y+Z))
-> (Y+(select C, X, Z)

This occurs a few times across spec, e.g.

         select    add/sub
mesa:    83        0
povray:  5         2
gcc      4         2
parser   0         22
perlbmk  13        30
twolf    0         3

llvm-svn: 19706

2005-01-19 21:50:18 +00:00

Hello

Add the LOADABLE_MODULE=1 directive to indicate that this shared library is

2005-01-11 04:33:32 +00:00

Instrumentation

Convert tabs to spaces

2005-01-07 07:05:34 +00:00

IPO

Apply feedback from Chris.

2005-01-10 04:23:32 +00:00

Scalar

Add two optimizations. The first folds (X+Y)-X -> Y