Benjamin Kramer
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6cd9b2ba74
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Fix some CHECK lines which were ignored by accident.
llvm-svn: 91214
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2009-12-12 09:25:50 +00:00 |
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Nick Lewycky
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10693e2bb0
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Generalize this optimization to work on equality comparisons between any two
integers that are constant except for a single bit (the same n-th bit in each).
llvm-svn: 90646
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2009-12-05 05:00:00 +00:00 |
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Nick Lewycky
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9d1ee635e3
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Reapply r88830 with a bugfix: this transform only applies to icmp eq/ne. This
fixes part of PR5438.
llvm-svn: 89639
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2009-11-23 03:17:33 +00:00 |
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Nick Lewycky
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f05946faff
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Revert r88830 and r88831 which appear to have caused a selfhost buildbot some
grief. I suspect this patch merely exposed a bug else.
llvm-svn: 88841
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2009-11-15 07:47:32 +00:00 |
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Nick Lewycky
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62f00c17eb
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Correct typo.
llvm-svn: 88831
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2009-11-15 06:16:57 +00:00 |
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Nick Lewycky
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14a2122db3
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Teach instcombine to look for booleans in wider integers when it encounters a
zext(icmp). It may be able to optimize that away. This fixes one of the cases
in PR5438.
llvm-svn: 88830
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2009-11-15 05:55:17 +00:00 |
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