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Mirror of https://github.com/RPCS3/llvm-mirror
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d67c5eca12
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Florian Hahn d67c5eca12 [LoopUnroll] Add support for loops with exiting headers and uncond latches. 
This patch generalizes the UnrollLoop utility to support loops that exit
from the header instead of the latch. Usually, LoopRotate would take care
of must of those cases, but in some cases (e.g. -Oz), LoopRotate does
not kick in.

Codesize impact looks relatively neutral on ARM64 with -Oz + LTO.

Program                                         master     patch     diff
 External/S.../CFP2006/447.dealII/447.dealII   629060.00  627676.00  -0.2%
 External/SPEC/CINT2000/176.gcc/176.gcc        1245916.00 1244932.00 -0.1%
 MultiSourc...Prolangs-C/simulator/simulator   86100.00   86156.00    0.1%
 MultiSourc...arks/Rodinia/backprop/backprop   66212.00   66252.00    0.1%
 MultiSourc...chmarks/Prolangs-C++/life/life   67276.00   67312.00    0.1%
 MultiSourc...s/Prolangs-C/compiler/compiler   69824.00   69788.00   -0.1%
 MultiSourc...Prolangs-C/assembler/assembler   86672.00   86696.00    0.0%

Reviewers: efriedma, vsk, paquette

Reviewed By: paquette

Differential Revision: https://reviews.llvm.org/D61962

llvm-svn: 364398
2019-06-26 09:16:57 +00:00
benchmarks
bindings [bindings/go] Add debug information accessors 2019-06-24 16:23:17 +00:00
cmake Add llvm-symbolizer to LLVM_TOOLCHAIN_TOOLS (PR40152) 2019-06-25 07:15:41 +00:00
docs [ARM] Support inline assembler constraints for MVE. 2019-06-25 16:49:32 +00:00
examples Add a HowToUseLLJIT example project. 2019-05-22 21:38:41 +00:00
include [HardwareLoops] NFC - move loop with irreducible control flow checking logic to isHardwareLoopProfitable() 2019-06-26 09:12:52 +00:00
lib [LoopUnroll] Add support for loops with exiting headers and uncond latches. 2019-06-26 09:16:57 +00:00
projects Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
resources
runtimes Setup testing target dependencies for default runtimes 2019-06-11 00:25:57 +00:00
test [LoopUnroll] Add support for loops with exiting headers and uncond latches. 2019-06-26 09:16:57 +00:00
tools Revert [llvm-objcopy][NFC] Refactor output target parsing 2019-06-26 03:00:57 +00:00
unittests GlobalISel: Remove unsigned variant of SrcOp 2019-06-24 16:16:12 +00:00
utils gn build: Merge r364288. 2019-06-26 01:52:22 +00:00
.arcconfig
.clang-format
.clang-tidy Disable tidy checks with too many hits 2019-02-01 11:20:13 +00:00
.gitattributes
.gitignore gitignore: Ignore Qt Creator project configuration files. NFC 2019-06-12 08:28:31 +00:00
CMakeLists.txt build: extract LLVM distribution target handling 2019-06-14 18:28:57 +00:00
CODE_OWNERS.TXT [llvm-mca] Move llvm-mca library to llvm/lib/MCA. 2018-12-17 08:08:31 +00:00
configure
CREDITS.TXT [test commit] Add my name to the CREDITS.TXT 2019-05-27 07:48:28 +00:00
LICENSE.TXT Fix typos throughout the license files that somehow I and my reviewers 2019-01-21 09:52:34 +00:00
llvm.spec.in Update structured references to the license to the new license. 2019-01-19 11:30:51 +00:00
LLVMBuild.txt Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
README.txt Testing commit access 2019-02-19 20:38:51 +00:00
RELEASE_TESTERS.TXT Update the list of platforms & archs 2018-12-16 14:47:16 +00:00

README.txt 

The LLVM Compiler Infrastructure
================================

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Please see the documentation provided in docs/ for further
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