commit	1d5d31b70666e4b78f4cf4b837c17c9c3bbb53b3	[log] [tgz]
author	Vedant Kumar <vsk@apple.com>	Tue Feb 13 22:27:17 2018 +0000
committer	Vedant Kumar <vsk@apple.com>	Tue Feb 13 22:27:17 2018 +0000
tree	34cafd47424df559eaa09dcb34372b7c07766a1c
parent	7558d860af88bde4b860d9f66fd0281a331db345 [diff]

[GVN] Salvage debug info from dead insts

This preserves an additional 581 unique source variables in a stage2
build of clang (according to `llvm-dwarfdump --statistics`). It
increases the size of the .debug_loc section by 0.1% (or 87139 bytes).

Differential Revision: https://reviews.llvm.org/D43255

llvm-svn: 325063

llvm/lib/Transforms/Scalar/GVN.cpp[diff]
llvm/test/Transforms/GVN/PRE/phi-translate-2.ll[diff]
llvm/test/Transforms/GVN/fence.ll[diff]

3 files changed

tree: 34cafd47424df559eaa09dcb34372b7c07766a1c

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.