commit	509d79789f1206dd8170f737d34f3cf5cc6076ac	[log] [tgz]
author	Anastasis Grammenos <anastasis.gramm2@gmail.com>	Wed Jul 04 09:55:46 2018 +0000
committer	Anastasis Grammenos <anastasis.gramm2@gmail.com>	Wed Jul 04 09:55:46 2018 +0000
tree	9e48e7c2b5e308874af8382333c4508c379532ba
parent	d68f25568645ad56b989d6825bdef63d9c21c0c5 [diff]

[DebugInfo][InstCombine] Preserve DI after combining zext

When zext is EvaluatedInDifferentType, InstCombine
drops the dbg.value intrinsic. This patch tries to
preserve said DI, by inserting the zext's old DI in the
resulting instruction. (Only for integer type for now)

Differential Revision: https://reviews.llvm.org/D48331

llvm-svn: 336254

llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp[diff]
llvm/test/Transforms/InstCombine/cast-mul-select.ll[diff]

2 files changed

tree: 9e48e7c2b5e308874af8382333c4508c379532ba

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.