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6 Commits

Author SHA1 Message Date
Benjamin Kramer
22bdd799ee InstCombine: APFloat can't perform arithmetic on PPC double doubles, don't even try. 
Thanks Eli!

llvm-svn: 128676
 2011-03-31 21:35:49 +00:00
Benjamin Kramer
40e705fb80 InstCombine: Fix transform to use the swapped predicate. 
Thanks Frits!

llvm-svn: 128628
 2011-03-31 10:46:03 +00:00
Benjamin Kramer
40a71a4a85 InstCombine: fold fcmp (fneg x), (fneg y) -> fcmp x, y 
llvm-svn: 128627
 2011-03-31 10:12:22 +00:00
Benjamin Kramer
e16910dd92 InstCombine: fold fcmp pred (fneg x), C -> fcmp swap(pred) x, -C 
llvm-svn: 128626
 2011-03-31 10:12:15 +00:00
Benjamin Kramer
fd3a92ea15 InstCombine: Shrink "fcmp (fpext x), C" to "fcmp x, C" if C can be losslessly converted to the type of x. 
Fixes PR9592.

llvm-svn: 128625
 2011-03-31 10:12:07 +00:00
Benjamin Kramer
701d4c897f InstCombine: fold fcmp (fpext x), (fpext y) -> fcmp x, y. 
llvm-svn: 128624
 2011-03-31 10:11:58 +00:00