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Tim Renouf f40707a2db [LiveIntervals] Handle moving up dead partial write 
Summary:
In the test case, the machine scheduler moves a dead write to a subreg
up into the middle of a segment of the overall reg's live range, where
the segment had liveness only for other subregs in the reg.
handleMoveUp created an invalid live range, causing an assert a bit
later.

This commit fixes it to handle that situation. The segment is split in
two at the insertion point, and the part after the split, and any
subsequent segments up to the old position, are changed to be defined by
the moved def.

V2: Better test.

Subscribers: MatzeB, nhaehnle, llvm-commits

Differential Revision: https://reviews.llvm.org/D43478

Change-Id: Ibc42445ddca84e79ad1f616401015d22bc63832e
llvm-svn: 326087
 		2018-02-26 14:42:13 +00:00
clang Resolve build bot problems in unittests/Format/FormatTest.cpp 2018-02-26 14:14:11 +00:00
clang-tools-extra [clangd] don't insert new includes if either original header or canonical header is already included. 2018-02-26 08:32:13 +00:00
compiler-rt Skip two more ioctl interceptors for NetBSD 2018-02-26 13:00:40 +00:00
debuginfo-tests [Darwin] Add a test to make sure clang emits __apple accelerator tables. 2018-02-23 18:04:55 +00:00
libclc utils: Adapt to llvm r325155 2018-02-23 07:37:03 +00:00
libcxx Cleanup __config indention NFC 2018-02-24 07:57:32 +00:00
libcxxabi [demangler] Support for exception specifications on function types. 2018-02-14 01:08:20 +00:00
libunwind [cmake] [libunwind] LLVM_FOUND isn't always set, so just test if 2018-01-27 19:31:44 +00:00
lld Revert "[Support] Replace HashString with djbHash." 2018-02-26 12:05:18 +00:00
lldb Revert "[Support] Replace HashString with djbHash." 2018-02-26 12:05:18 +00:00
llgo irgen: Create functions instead of global variables for builtin hash and equal algorithms. 2017-06-04 22:11:28 +00:00
llvm [LiveIntervals] Handle moving up dead partial write 2018-02-26 14:42:13 +00:00
openmp [OMPT] Fix parallel_data in implicit barrier-end 2018-02-23 16:46:25 +00:00
parallel-libs [Axccel] Remove -Wno-missing-braces in build 2016-12-19 21:34:07 +00:00
polly isl: "isl_schedule_get_map: handle trees with divergent filter node parameters" 2018-02-26 09:26:41 +00:00
README.md Add an svn project to contain the files that appear at the root of the 2017-10-19 21:09:49 +00:00

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.