Chris Lattner
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8909d5aca5
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implement a simple instcombine xform that has been in the
readme forever.
llvm-svn: 94318
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2010-01-23 18:49:30 +00:00 |
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Chris Lattner
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f457542506
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optimize comparisons against cttz/ctlz/ctpop, patch by Alastair Lynn!
llvm-svn: 92745
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2010-01-05 18:09:56 +00:00 |
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Chris Lattner
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491e03b6ef
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optimize cttz and ctlz when we can prove something about the
leading/trailing bits. Patch by Alastair Lynn!
llvm-svn: 92706
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2010-01-05 07:23:56 +00:00 |
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Chris Lattner
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e5f5e4b151
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add a few trivial instcombines for llvm.powi.
llvm-svn: 92383
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2010-01-01 01:52:15 +00:00 |
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Chris Lattner
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cd6fed25d5
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add testcases for the foo_with_overflow op xforms added recently and
fix bugs exposed by the tests. Testcases from Alastair Lynn!
llvm-svn: 90056
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2009-11-29 02:57:29 +00:00 |
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Chris Lattner
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f2b3c795fd
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if a 'with overflow' intrinsic just has the normal result used, simplify
it to a normal binop. Patch by Alastair Lynn, testcase by me.
llvm-svn: 86524
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2009-11-09 07:07:56 +00:00 |
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