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6 Commits

Author SHA1 Message Date
Simon Pilgrim d2f8961b7b [MemCpyOpt] Remove unused check-prefixes 
Just use default CHECK
 2020-11-09 12:18:20 +00:00
Nikita Popov cd6f40f432 [MemCpyOpt] Add test scaffolding for MSSA based MemCpyOpt 
This adds an -enable-memcpyopt-memoryssa option that currently does
nothing apart from requiring MSSA as a dependency. The tests are
split to run both with the option disabled and enabled. I went with
this rather than the separate directory DSE uses, as I found it
convenient to have a direct side-by-side comparison of differences.

Differential Revision: https://reviews.llvm.org/D89206
 2020-10-13 21:45:05 +02:00
Nikita Popov 64c54c5459 [MemCpyOpt] Regnerate test checks (NFC) 2020-10-02 18:42:13 +02:00
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
David Majnemer d99068d26d [MemCpyOpt] Don't perform callslot optimization across may-throw calls 
An exception could prevent a store from occurring but MemCpyOpt's
callslot optimization would fire anyway, causing the store to occur.

This fixes PR27849.

llvm-svn: 270892
 2016-05-26 19:24:24 +00:00