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* [MergeICmps] Preserve the dominator tree.Clement Courbet2019-05-211-1/+1
| | | | | | | | | | | | | | Summary: In preparation for D60318 . Reviewers: gchatelet, efriedma Subscribers: hiraditya, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D62068 llvm-svn: 361239
* [MergeICmps][NFC] Re-generate tests with update_test_checks.Clement Courbet2019-05-091-12/+11
| | | | | | And use a more compact name for the tested struct. llvm-svn: 360319
* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+48
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-48/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* Re-land "[MergeICmps] Disable mergeicmps if the target does not want to ↵Clement Courbet2017-10-101-0/+48
| | | | | | | | | | handle memcmp expansion." (fixed stability issues) This reverts commit d6492333d3b478a1d88163315002022f8d5e58dc. llvm-svn: 315281
* Revert "[MergeICmps] Disable mergeicmps if the target does not want to ↵Clement Courbet2017-10-061-48/+0
| | | | | | | | | | handle memcmp expansion." Still a few stability issues on windows. This reverts commit 67e3db9bc121ba244e20337aabc7cf341a62b545. llvm-svn: 315058
* Re-land "[MergeICmps] Disable mergeicmps if the target does not want to ↵Clement Courbet2017-10-061-0/+48
| | | | | | | | | | handle memcmp expansion." (fixed unit tests by making comparisons stable) This reverts commit 1b2d359ce256fd6737da4e93833346a0bd6d7583. llvm-svn: 315056
* Revert "Re-land "[MergeICmps] Disable mergeicmps if the target does not want ↵Clement Courbet2017-10-051-48/+0
| | | | | | | | | | to handle memcmp expansion.""" broken test on windows This reverts commit c91479518344fd1fc071c5bd5848f6eb83e53dca. llvm-svn: 314985
* Re-land "[MergeICmps] Disable mergeicmps if the target does not want to ↵Clement Courbet2017-10-051-0/+48
| | | | | | handle memcmp expansion."" llvm-svn: 314980
* Revert "[MergeICmps] Disable mergeicmps if the target does not want to ↵Clement Courbet2017-10-051-48/+0
| | | | | | | | | | | handle memcmp expansion." Breaks clang-stage1-cmake-RA-incremental/llvm/test/Transforms/MergeICmps/X86/tuple-four-int8.ll This reverts commit 3038c459d67f8898ffa295d54a013b280690abfa. llvm-svn: 314972
* [MergeICmps] Disable mergeicmps if the target does not want to handle memcmp ↵Clement Courbet2017-10-051-0/+48
expansion. Summary: This is to avoid e.g. merging two cheap icmps if the target is not going to expand to something nice later. Reviewers: dberlin, spatel Subscribers: davide, nemanjai Differential Revision: https://reviews.llvm.org/D38232 llvm-svn: 314970
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