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5 Commits

Author SHA1 Message Date
Craig Topper b1cfcd1a56 [ScalarizeMaskedMemIntrin] Bitcast the mask to the scalar domain and use scalar bit tests for the branches for expandload/compressstore. 
Same as what was done for gather/scatter/load/store in r367489.
Expandload/compressstore were delayed due to lack of constant
masking handling that has since been fixed.

llvm-svn: 367738
 2019-08-02 23:43:53 +00:00
Craig Topper de9b1d7912 [ScalarizeMaskedMemIntrin] Add constant mask support to expandload and compressstore scalarization 
This adds support for generating all the loads or stores for a constant mask into a single basic block with no conditionals.

Differential Revision: https://reviews.llvm.org/D65613

llvm-svn: 367715
 2019-08-02 20:04:34 +00:00
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
Craig Topper 9f0b17a248 [ScalarizeMaskedMemIntrin] Add support for scalarizing expandload and compressstore intrinsics. 
This adds support for scalarizing these intrinsics as well the X86TargetTransformInfo support to avoid scalarizing them in the cases X86 can handle.

I've omitted handling special cases for constant masks for this first pass. Though CodeGenPrepare can constant fold the branch conditions and remove some of the control flow anyway.

Fixes PR40994 and is covers most of PR3666. Might want to implement constant masks to close that.

Differential Revision: https://reviews.llvm.org/D59180

llvm-svn: 356687
 2019-03-21 17:38:52 +00:00