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17 Commits

Author SHA1 Message Date
Craig Topper f4151bea72 [AVX512] Add initial support for the Execution Domain fixing pass to change some EVEX instructions. 
llvm-svn: 276393
 2016-07-22 05:00:52 +00:00
Craig Topper 5c913e84df [AVX512] Use VMOVAPSZ128rr/VMOVAPS256rr for VR128X/VR256X physreg moves when VLX is supported. 
Ideally we would use VEX encoded moves instead of EVEX if the high 16 registers aren't referenced, but this a good first step.

llvm-svn: 275763
 2016-07-18 06:14:34 +00:00
Craig Topper a6e6febe2c [AVX512] Remove masked logic op intrinsics and autoupgrade them to native IR. 
llvm-svn: 275155
 2016-07-12 05:27:53 +00:00
Matthias Braun 152e7c8b12 VirtRegMap: Replace some identity copies with KILL instructions. 
An identity COPY like this:
   %AL = COPY %AL, %EAX<imp-def>
has no semantic effect, but encodes liveness information: Further users
of %EAX only depend on this instruction even though it does not define
the full register.

Replace the COPY with a KILL instruction in those cases to maintain this
liveness information. (This reverts a small part of r238588 but this
time adds a comment explaining why a KILL instruction is useful).

llvm-svn: 274952
 2016-07-09 00:19:07 +00:00
Craig Topper d5d2a35013 [AVX512] Zero extend the result of vpcmpeq/vpcmpgt and similar intrinsics in the autoupgrade code. This currently results in worse codegen but is needed for correctness. 
llvm-svn: 274736
 2016-07-07 06:11:07 +00:00
Simon Pilgrim 4e96fbf3c1 [X86][AVX512] Autoupgrade the BROADCAST intrinsics 
llvm-svn: 274550
 2016-07-05 13:58:47 +00:00
Simon Pilgrim 02d435d2f4 [X86][AVX512] Autoupgrade the VPERMPD/VPERMQ intrinsics 
llvm-svn: 274506
 2016-07-04 14:19:05 +00:00
Simon Pilgrim 9fca300cbe [X86][AVX512] Autoupgrade the VPERMILPD/VPERMILPS intrinsics 
llvm-svn: 274498
 2016-07-04 12:40:54 +00:00
Simon Pilgrim dbd6db0dc7 [X86][AVX512] Add support for VPALIGNR/PSHUFD/PSHUFHW/PSHUFLW masked shuffle comments 
llvm-svn: 274466
 2016-07-03 15:00:51 +00:00
Simon Pilgrim 598bdb6bfe [X86][AVX512] Add support for UNPCK masked shuffle comments 
llvm-svn: 274464
 2016-07-03 14:26:21 +00:00
Simon Pilgrim 7c2fbdc101 [X86][AVX512] Add support for masked shuffle comments 
This patch adds support for including the avx512 mask register information in the mask/maskz versions of shuffle instruction comments.

This initial version just adds support for MOVDDUP/MOVSHDUP/MOVSLDUP to reduce the mass of test regenerations, other shuffle instructions can be added in due course.

Differential Revision: http://reviews.llvm.org/D21953

llvm-svn: 274459
 2016-07-03 13:08:29 +00:00
Simon Pilgrim 19adee9d84 [X86][AVX512] Autoupgrade the MOVDDUP/MOVSLDUP/MOVSHDUP intrinsics 
llvm-svn: 274439
 2016-07-02 14:42:35 +00:00
Craig Topper 597aa42fec [AVX512] Remove masked unpack intrinsics and autoupgrade to vectorshuffle and selects. 
llvm-svn: 273543
 2016-06-23 07:37:33 +00:00
Craig Topper 0a0fb0fda1 [AVX512] Remove the masked vpcmpeq/vcmpgt intrinsics and autoupgrade them to native icmps. 
llvm-svn: 273240
 2016-06-21 03:53:24 +00:00
Craig Topper 13cf7cac07 [AVX512] Remove maksed pshufd, pshuflw, and phufhw intrinsics and autoupgrade them to selects and shufflevector. 
llvm-svn: 272527
 2016-06-13 02:36:48 +00:00
Craig Topper f10fbfa738 [AVX512] Remove masked load intrinsics. Clang now emits generic masked load intrinsics instead. 
The intrinsics will be autoupgraded to the same generic masked loads.

llvm-svn: 271478
 2016-06-02 04:19:36 +00:00
Craig Topper 50f85c22c5 [AVX512] Remove masked store intrinsics. Clang now emits generic masked store intrinsics instead. 
The intrinsics will be autoupgraded to the same generic masked stores.

llvm-svn: 271245
 2016-05-31 01:50:02 +00:00