commit	a58d8deb3a9cde087c770cf18ca31a1b09302040	[log] [tgz]
author	Dmitry Venikov <quolyk@gmail.com>	Tue Jan 02 05:58:11 2018 +0000
committer	Dmitry Venikov <quolyk@gmail.com>	Tue Jan 02 05:58:11 2018 +0000
tree	8336bf7e9d4a30178981595666b4d6d589b19a9d
parent	d2257be8b76b5136a5a4c86d8e16e5f2f7f165c9 [diff]

[InstCombine] Missed optimization in math expression: squashing sqrt functions

Summary: This patch enables folding under -ffast-math flag sqrt(a) * sqrt(b) -> sqrt(a*b)

Reviewers: hfinkel, spatel, davide

Reviewed By: spatel, davide

Subscribers: davide, llvm-commits

Differential Revision: https://reviews.llvm.org/D41322

llvm-svn: 321637

llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp[diff]
llvm/test/Transforms/InstCombine/fmul-sqrt.ll[Added - diff]

2 files changed

tree: 8336bf7e9d4a30178981595666b4d6d589b19a9d

clang/
clang-tools-extra/
compiler-rt/
debuginfo-tests/
libclc/
libcxx/
libcxxabi/
libunwind/
lld/
lldb/
llgo/
llvm/
openmp/
parallel-libs/
polly/
README.md

README.md

Low Level Virtual Machine (LLVM)

This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments.