[PATCH] D112001: [Clang] Add min/max reduction builtins.

[Florian Hahn via Phabricator via cfe-commits]

fhahn created this revision.
fhahn added reviewers: aaron.ballman, scanon, craig.topper, rjmccall, erichkeane.
fhahn requested review of this revision.
Herald added a project: clang.

This patch implements __builtin_reduce_max and __builtin_reduce_min as
specified in D111529 <https://reviews.llvm.org/D111529>.

The order of operations does not matter for min or max reductions and
they can be directly lowered to the corresponding
llvm.vector.reduce.{fmin,fmax,umin,umax,smin,smax} intrinsic calls.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D112001

Files:
  clang/include/clang/Basic/Builtins.def
  clang/include/clang/Sema/Sema.h
  clang/lib/CodeGen/CGBuiltin.cpp
  clang/lib/Sema/SemaChecking.cpp
  clang/test/CodeGen/builtins-elementwise-math.c
  clang/test/Sema/builtins-elementwise-math.c

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