cee313d288
Revert "Temporarily Revert "Add basic loop fusion pass.""
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The reversion apparently deleted the test/Transforms directory.
Will be re-reverting again.
llvm-svn: 358552
2019-04-17 04:52:47 +00:00
a863435128
Temporarily Revert "Add basic loop fusion pass."
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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
74f899f0f4
[InstCombine] Fold x & (-1 >> y) != x to x u> (-1 >> y)
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Summary:
A complementary fold to D49179.
https://bugs.llvm.org/show_bug.cgi?id=38123
https://rise4fun.com/Alive/Rny
Caveat: one more thing in `test/Transforms/InstCombine/icmp-logical.ll` breaks.
Reviewers: spatel, craig.topper
Reviewed By: spatel
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D49205
llvm-svn: 336911
2018-07-12 14:56:12 +00:00
2c19fe52e9
[NFC][InstCombine] Tests for x & (-1 >> y) != x -> x u> (-1 >> y) fold
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https://bugs.llvm.org/show_bug.cgi?id=38123
https://rise4fun.com/Alive/Rny
llvm-svn: 336857
2018-07-11 21:28:42 +00:00
Eric Christopher