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56 Commits

Author SHA1 Message Date
Bill Wendling
220e240bdf Modify the comparison optimizations in the peephole optimizer to update the 
iterator when an optimization took place. This allows us to do more insane
things with the code than just remove an instruction or two.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113640 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-10 21:55:43 +00:00
Bill Wendling
69c5eb59f5 Remove now unneeded command line flag that enables 'optimize compares.' 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112287 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-27 20:39:09 +00:00
Bill Wendling
75486dbf4e Turn optimize compares back on with fix. We needed to test that a machine op was 
a register before checking if it was defined.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110733 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 21:38:11 +00:00
Dan Gohman
a8c58a6f59 Revert r110718; it broke clang-i386-darwin9. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110726 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 20:49:33 +00:00
Bill Wendling
a54e3cddce Turn optimize cmps on by default so that we can get some testing by the nightly 
ARM testers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110718 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 20:23:02 +00:00
Bill Wendling
6cdb1abe4e Merge the OptimizeExts and OptimizeCmps passes into one PeepholeOptimizer 
pass. This pass should expand with all of the small, fine-grained optimization
passes to reduce compile time and increase happiment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110627 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-09 23:59:04 +00:00