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Mirror of https://github.com/RPCS3/llvm-mirror
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Filipe Cabecinhas 4058d9a4ca [DSE] Merge stores when the later store only writes to memory locations the early store also wrote to. 
Summary:
This fixes PR31777.

If both stores' values are ConstantInt, we merge the two stores
(shifting the smaller store appropriately) and replace the earlier (and
larger) store with an updated constant.

In the future we should also support vectors of integers. And maybe
float/double if we can.

Reviewers: hfinkel, junbuml, jfb, RKSimon, bkramer

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D30703

llvm-svn: 310055
2017-08-04 12:28:36 +00:00
bindings Update the Go bindings for r309426 (remove offset from llvm.dbg.value) 2017-07-28 22:44:44 +00:00
cmake [OCaml] Pass -D/-UNDEBUG through to ocamlc 2017-07-29 08:10:24 +00:00
docs [llvm-cov] Respect the value of the -show-instantiations option 2017-08-02 23:35:24 +00:00
examples Defeat another -Wunused-but-set-variable warning 2017-07-19 15:06:31 +00:00
include [InstCombine] Canonicalize clamp of float types to minmax in fast mode. 2017-08-04 12:22:17 +00:00
lib [DSE] Merge stores when the later store only writes to memory locations the early store also wrote to. 2017-08-04 12:28:36 +00:00
projects Add temporary workaround to allow in-tree libc++ builds on Windows 2017-05-11 01:44:30 +00:00
resources In MSVC builds embed a VERSIONINFO resource in our exe and DLL files. 2015-06-12 15:58:29 +00:00
runtimes [CMake] Remove redundant logic in runtimes/CMakeList.txt 2017-07-24 17:26:28 +00:00
test [DSE] Merge stores when the later store only writes to memory locations the early store also wrote to. 2017-08-04 12:28:36 +00:00
tools [Polly][PM] Register polly passes with the opt tool for the new-pm path 2017-08-04 09:28:09 +00:00
unittests Avoid comparison between signed and unsigned in SCEVExitLimitForget tests 2017-08-04 06:03:51 +00:00
utils Revert "[TableGen] AsmMatcher: fix OpIdx computation when HasOptionalOperands is true" 2017-08-04 00:25:24 +00:00
.arcconfig project_id is from another era in phabricator land and does not provide any value. 2016-09-27 15:47:29 +00:00
.clang-format
.clang-tidy .clang-tidy: correct style name is 'camelBack' not 'lowerCase'. 2016-09-13 19:04:26 +00:00
.gitignore gitignore: Ignore .vs folder (VS2017 config files) 2017-04-08 00:16:58 +00:00
CMakeLists.txt [GlobalISel] Make GlobalISel a non-optional library. 2017-08-03 21:52:25 +00:00
CODE_OWNERS.TXT Remove the BBVectorize pass. 2017-06-30 07:09:08 +00:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
CREDITS.TXT Another test commit 2017-07-01 03:24:06 +00:00
LICENSE.TXT Bump year to 2017 in LICENSE.txt 2017-01-12 18:02:42 +00:00
llvm.spec.in [Sparc] Implement i64 load/store support for 32-bit sparc. 2015-08-10 19:11:39 +00:00
LLVMBuild.txt
README.txt Test commit. Added a blank line. 2017-03-06 20:45:33 +00:00
RELEASE_TESTERS.TXT [RelTest] Diana is doing both releases now 2017-07-14 08:33:52 +00:00

README.txt 

Low Level Virtual Machine (LLVM)
================================

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Please see the documentation provided in docs/ for further
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