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
dc185ee275
[InstCombine] fix/enhance fadd/fsub factorization
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(X * Z) + (Y * Z) --> (X + Y) * Z
(X * Z) - (Y * Z) --> (X - Y) * Z
(X / Z) + (Y / Z) --> (X + Y) / Z
(X / Z) - (Y / Z) --> (X - Y) / Z
The existing code that implemented these folds failed to
optimize vectors, and it transformed code with multiple
uses when it should not have.
llvm-svn: 339519
2018-08-12 15:48:26 +00:00
ce104b6c16
[InstCombine] move/add tests for fadd/fsub factorization; NFC
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llvm-svn: 339518
2018-08-12 15:06:15 +00:00
Eric Christopher