commit: 70f027022cd1f8de8df92d576ed330741a1ec698
[log]
author: Krzysztof Parzyszek <kparzysz@codeaurora.org>
Tue Jun 26 14:37:16 2018 +0000
committer: Krzysztof Parzyszek <kparzysz@codeaurora.org>
Tue Jun 26 14:37:16 2018 +0000
tree: 319e33af87dcbcf5e666d22e518baa31294bd78b
parent: 96da1ca58493d730e6d48b37085b06ccdf1204fd [diff]

Account for undef values from predecessors in extendSegmentsToUses

It is legal for a PHI node not to have a live value in a predecessor
as long as the end of the predecessor is jointly dominated by an undef
value.

llvm-svn: 335607

llvm/include/llvm/CodeGen/LiveIntervals.h[diff]
llvm/lib/CodeGen/LiveIntervals.cpp[diff]
llvm/lib/CodeGen/LiveRangeCalc.cpp[diff]
llvm/lib/CodeGen/LiveRangeCalc.h[diff]
llvm/test/CodeGen/AMDGPU/subreg-split-live-in-error.mir[Added - diff]

5 files changed

tree: 319e33af87dcbcf5e666d22e518baa31294bd78b

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.