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Author SHA1 Message Date
Eric Christopher cee313d288 Revert "Temporarily Revert "Add basic loop fusion pass."" 
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
 2019-04-17 04:52:47 +00:00
Eric Christopher a863435128 Temporarily Revert "Add basic loop fusion pass." 
As it's causing some bot failures (and per request from kbarton).

This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda.

llvm-svn: 358546
 2019-04-17 02:12:23 +00:00
Gerolf Hoflehner ec6217c929 [InstCombine] Re-commit of r218721 (Optimize icmp-select-icmp sequence) 
Fixes the self-host fail. Note that this commit activates dominator
analysis in the combiner by default (like the original commit did).

llvm-svn: 222590
 2014-11-21 23:36:44 +00:00
Justin Bogner 894eff7a9f Revert "[InstCombine] re-commit r218721 with fix for pr21199" 
This seems to cause a miscompile when building clang, which causes a
bootstrapped clang to fail or crash in several of its tests.

See:
  http://lab.llvm.org:8013/builders/clang-x86_64-darwin11-RA/builds/1184
  http://bb.pgr.jp/builders/clang-3stage-x86_64-linux/builds/7813

This reverts commit r219282.

llvm-svn: 219317
 2014-10-08 16:30:22 +00:00
Gerolf Hoflehner e2ff5b9223 [InstCombine] re-commit r218721 with fix for pr21199 
The icmp-select-icmp optimization targets select-icmp.eq
only. This is now ensured by testing the branch predicate
explictly. This commit also includes the test case for pr21199.

llvm-svn: 219282
 2014-10-08 06:42:19 +00:00