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Author SHA1 Message Date
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
Jeremy Morse 32afe6a1f8 [DebugInfo] Fix pr41175 Dead Store Elimination missing debug loc 
Bug: https://bugs.llvm.org/show_bug.cgi?id=41175

In the bug test case the DSE pass is shortening the range of memory that a
memset is working on. A getelementptr is generated so that the new
starting address can be passed to memset. This instruction was not given
a DebugLoc.

To fix the bug, copy the DebugLoc from the memset instruction.

Patch by Orlando Cazalet-Hyams!

Differential Revision: https://reviews.llvm.org/D60556

llvm-svn: 358270
 2019-04-12 09:47:35 +00:00