4 Commits

Author	SHA1	Message	Date
Eric Christopher	a62270de2c	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	71d1cca7ef	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
Roman Lebedev	4ad6d4ba82	[InstCombine] foldICmpWithLowBitMaskedVal(): handle uncanonical ((1 << y)+(-1)) mask ... Summary: Same as to D52146. `((1 << y)+(-1))` is simply non-canoniacal version of `~(-1 << y)`: https://rise4fun.com/Alive/0vl We can not canonicalize it due to the extra uses. But we can handle it here. Reviewers: spatel, craig.topper, RKSimon Reviewed By: spatel Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D52147 llvm-svn: 342547	2018-09-19 13:35:40 +00:00
Roman Lebedev	7e19bd29ff	[NFC][InstCombine] Some more tests for comparisons with low-bit-mask. ... https://bugs.llvm.org/show_bug.cgi?id=38123 https://bugs.llvm.org/show_bug.cgi?id=38708 llvm-svn: 342343	2018-09-16 08:05:06 +00:00