[PATCH] D55879: [X86][SSE] Auto upgrade PADDUS/PSUBUS intrinsics to UADD_SAT/USUB_SAT generic intrinsics (clang)

[Simon Pilgrim via Phabricator via cfe-commits]

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

Sibling patch to D55855 <https://reviews.llvm.org/D55855>, this emits UADD_SAT/USUB_SAT generic intrinsics for the SSE saturated math intrinsics instead of expanding to a IR code sequence that could be difficult to reassemble.


Repository:
  rL LLVM

https://reviews.llvm.org/D55879

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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