[PATCH] D46892: [X86] Lowering adds/addus/subs/subus intrinsics to native IR (Clang part)

[Tomasz Krupa via Phabricator via cfe-commits]

tkrupa created this revision.
Herald added a subscriber: cfe-commits.
tkrupa added reviewers: craig.topper, RKSimon, spatel.

This is the patch that lowers x86 intrinsics to native IR
in order to enable optimizations.

Corresponding LLVM part: https://reviews.llvm.org/D46179

Previous https://reviews.llvm.org/D44786 version was reverted due to crashes caused by LLVM part. This revision includes a more optimal pattern for addus.


Repository:
  rC Clang

https://reviews.llvm.org/D46892

Files:
  lib/CodeGen/CGBuiltin.cpp
  test/CodeGen/avx2-builtins.c
  test/CodeGen/avx512bw-builtins.c
  test/CodeGen/avx512vlbw-builtins.c
  test/CodeGen/sse2-builtins.c

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