commit	4952e668f8e525820bb59ea78c1e5eeea3da68fe	[log] [tgz]
author	Chen Zheng <czhengsz@cn.ibm.com>	Tue Jan 01 01:09:20 2019 +0000
committer	Chen Zheng <czhengsz@cn.ibm.com>	Tue Jan 01 01:09:20 2019 +0000
tree	350c039f660453b815d467a7496646b365d06d02
parent	745983ba0ed8a2a8bbd8b75beaa9f3a4a02dad95 [diff]

[InstCombine] canonicalize MUL with NEG operand

-X * Y --> -(X * Y)
X * -Y --> -(X * Y)

Differential Revision: https://reviews.llvm.org/D55961

llvm-svn: 350185

llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp[diff]
llvm/test/Transforms/InstCombine/mul.ll[diff]
llvm/test/Transforms/InstCombine/operand-complexity.ll[diff]

3 files changed

tree: 350c039f660453b815d467a7496646b365d06d02

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

README.md

The LLVM Compiler Infrastructure

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