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Mirror of https://github.com/RPCS3/llvm-mirror
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Alexey Bataev 27daa0afed [SLP]Fix PR39774: Set ReductionRoot if the original instruction is vectorized. 
Summary:
If the original reduction root instruction was vectorized, it might be
removed from the tree. It means that the insertion point may become
invalidated and the whole vectorization of the reduction leads to the
incorrect output result.
The ReductionRoot instruction must be marked as externally used so it
could not be removed. Otherwise it might cause inconsistency with the
cost model and we may end up with too optimistic optimization.

Reviewers: RKSimon, spatel, hfinkel, mkuper

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D54955

llvm-svn: 347759
2018-11-28 14:34:11 +00:00
benchmarks Pull google/benchmark library to the LLVM tree 2018-08-28 09:42:41 +00:00
bindings [bindings/go] Add Go bindings to LLVMGetIndices 2018-11-08 04:04:04 +00:00
cmake [Support/FileSystem] Add sub-second precision for atime/mtime of sys::fs::file_status on unix platforms 2018-11-26 00:03:39 +00:00
docs [clang][slh] add attribute for speculative load hardening 2018-11-27 19:56:46 +00:00
examples Fix build break from r347239 2018-11-19 18:51:11 +00:00
include Fix build of r347741 by adding missing vector 2018-11-28 12:05:36 +00:00
lib [SLP]Fix PR39774: Set ReductionRoot if the original instruction is vectorized. 2018-11-28 14:34:11 +00:00
projects
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runtimes Revert "[CMake] Pass Clang defaults to runtimes builds" 2018-07-13 20:01:55 +00:00
test [SLP]Fix PR39774: Set ReductionRoot if the original instruction is vectorized. 2018-11-28 14:34:11 +00:00
tools [llvm-objcopy] Hook up the -V alias to --version, output "GNU strip" 2018-11-28 06:51:50 +00:00
unittests [ARM, AArch64] Move ARM/AArch64 target parsers into 2018-11-28 11:38:10 +00:00
utils Fix -Winfinite-recursion compile error. 2018-11-28 12:32:53 +00:00
.arcconfig
.clang-format
.clang-tidy
.gitattributes [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
.gitignore [git/svn] Ignore Visual Studio's CMakeSettings.json. 2018-10-29 14:51:02 +00:00
CMakeLists.txt [LLVM] Allow modulemap installation 2018-11-21 20:46:50 +00:00
CODE_OWNERS.TXT Add owner for llvm-objcopy 2018-08-09 22:05:19 +00:00
configure
CREDITS.TXT add Kang Zhang(shkzhang@cn.ibm.com) to the CREDITS.TXT 2018-11-25 02:56:49 +00:00
LICENSE.TXT Update copyright year to 2018. 2018-06-18 12:22:17 +00:00
llvm.spec.in
LLVMBuild.txt
README.txt Test commit. 2018-09-22 01:01:03 +00:00
RELEASE_TESTERS.TXT Adding Yvan as release test backup for Diana 2018-11-08 11:51:27 +00:00

README.txt 

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