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53 Commits

Author SHA1 Message Date
Chris Lattner 8330daf733 add a few trivial instcombines for llvm.powi. 
llvm-svn: 92383
 2010-01-01 01:52:15 +00:00
Chris Lattner 1cc4cca193 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
 2009-11-29 02:57:29 +00:00
Chris Lattner 39c07b2eef 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
 2009-11-09 07:07:56 +00:00