commit	28f330fd6f9ae14f633d342fdf00defda56566f9	[log] [tgz]
author	Evgeniy Stepanov <eugeni.stepanov@gmail.com>	Fri May 18 20:19:53 2018 +0000
committer	Evgeniy Stepanov <eugeni.stepanov@gmail.com>	Fri May 18 20:19:53 2018 +0000
tree	1b31fe45a59fe014d107e46eaf72a87d355d49b8
parent	fb50dd34ed5d405de083e37d0c8a1baa2cd76387 [diff]

[msan] Don't check divisor shadow in fdiv.

Summary:
Floating point division by zero or even undef does not have undefined
behavior and may occur due to optimizations.

Fixes https://bugs.llvm.org/show_bug.cgi?id=37523.

Reviewers: kcc

Subscribers: hiraditya, llvm-commits

Differential Revision: https://reviews.llvm.org/D47085

llvm-svn: 332761

compiler-rt/lib/msan/tests/msan_test.cc[diff]
compiler-rt/test/msan/vector_div.cc[Added - diff]
llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp[diff]
llvm/test/Instrumentation/MemorySanitizer/msan_basic.ll[diff]

4 files changed

tree: 1b31fe45a59fe014d107e46eaf72a87d355d49b8

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.