[PATCH] D23247: AVX-512: Changed lowering of BITCAST between i1 vectors and i8/i16/i32 integer values

[Elena Demikhovsky via llvm-commits]

delena created this revision.
delena added a reviewer: igorb.
delena added a subscriber: llvm-commits.
delena set the repository for this revision to rL LLVM.

Optimized lowering of BITCAST node. The BITCAST node can be replaced with COPY_TO_REG instead of KMOV.
It allows to suppress two opposite BITCAST operations and avoid redundant "movs". 
 

Repository:
  rL LLVM

https://reviews.llvm.org/D23247

Files:
  ../lib/Target/X86/X86InstrAVX512.td
  ../test/CodeGen/X86/avx512-cmp-kor-sequence.ll
  ../test/CodeGen/X86/avx512-ext.ll
  ../test/CodeGen/X86/avx512-insert-extract.ll
  ../test/CodeGen/X86/avx512-intrinsics-upgrade.ll
  ../test/CodeGen/X86/avx512-intrinsics.ll
  ../test/CodeGen/X86/avx512-mask-op.ll
  ../test/CodeGen/X86/avx512-select.ll
  ../test/CodeGen/X86/avx512-vec-cmp.ll
  ../test/CodeGen/X86/avx512bwvl-intrinsics-upgrade.ll
  ../test/CodeGen/X86/avx512bwvl-intrinsics.ll
  ../test/CodeGen/X86/avx512dq-intrinsics.ll
  ../test/CodeGen/X86/avx512dq-mask-op.ll
  ../test/CodeGen/X86/avx512dqvl-intrinsics.ll
  ../test/CodeGen/X86/avx512vbmi-intrinsics.ll
  ../test/CodeGen/X86/avx512vbmivl-intrinsics.ll
  ../test/CodeGen/X86/avx512vl-intrinsics-upgrade.ll
  ../test/CodeGen/X86/avx512vl-intrinsics.ll
  ../test/CodeGen/X86/vector-shuffle-v1.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D23247.67096.patch
Type: text/x-patch
Size: 177012 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20160807/d4c89740/attachment-0001.bin>