| commit | 2944652569d1beb538f5a72ab1a4bb581ea5cf91 | [log] [tgz] |
|---|---|---|
| author | Chris Lattner <sabre@nondot.org> | Mon May 14 22:04:50 2007 +0000 |
| committer | Chris Lattner <sabre@nondot.org> | Mon May 14 22:04:50 2007 +0000 |
| tree | 1977eb603c383643722c703b524f5a3b757a245a | |
| parent | f2f4bb2594a09d810d4f47435bf3fbb6d7ee452b [diff] |
implement a simple fneg optimization/propagation thing. This compiles:
CodeGen/PowerPC/fneg.ll into:
_t4:
fmul f0, f3, f4
fmadd f1, f1, f2, f0
blr
instead of:
_t4:
fneg f0, f3
fmul f0, f0, f4
fmsub f1, f1, f2, f0
blr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37054 91177308-0d34-0410-b5e6-96231b3b80d8