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Mirror of https://github.com/RPCS3/llvm-mirror
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Nikita Popov 56867ebef1 [InstCombine] Prune fshl/fshr with masked operands 
If a constant shift amount is used, then only some of the LHS/RHS
operand bits are demanded and we may be able to simplify based on
that. InstCombineSimplifyDemanded already had the necessary support
for that, we just weren't calling it with fshl/fshr as root.

In particular, this allows us to relax some masked funnel shifts
into simple shifts, as shown in the tests.

Patch by Shawn Landden.

Differential Revision: https://reviews.llvm.org/D60660

llvm-svn: 358515
2019-04-16 19:05:49 +00:00
benchmarks
bindings [OCaml] Update api to account for FNeg and CallBr instructions 2019-04-16 15:00:19 +00:00
cmake Removed CMake cache upgrade code from 2011 2019-04-16 09:46:02 +00:00
docs [CommandLineParser] Add DefaultOption flag 2019-04-15 17:18:10 +00:00
examples [Kaleidoscope] Fix symbol resolver to search in reverse order. 2019-02-21 16:53:04 +00:00
include [IR] Add WithOverflowInst class 2019-04-16 18:55:16 +00:00
lib [InstCombine] Prune fshl/fshr with masked operands 2019-04-16 19:05:49 +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 [runtime] Use --strip-all rather than --strip-sections 2019-03-10 04:26:54 +00:00
test [InstCombine] Prune fshl/fshr with masked operands 2019-04-16 19:05:49 +00:00
tools llvm-undname: Add a -raw-file flag to pass a raw buffer to microsoftDemangle 2019-04-16 12:51:40 +00:00
unittests Reapply [Support] Fix recursive response file expansion guard 2019-04-16 00:18:50 +00:00
utils gn build: Merge r358422 2019-04-16 12:54:43 +00:00
.arcconfig
.clang-format
.clang-tidy Disable tidy checks with too many hits 2019-02-01 11:20:13 +00:00
.gitattributes
.gitignore [clangd] Store index in '.clangd/index' instead of '.clangd-index' 2019-02-20 19:08:06 +00:00
CMakeLists.txt [CMake] Move configuration of LLVM_CXX_STD to HandleLLVMOptions.cmake 2019-04-09 08:14:32 +00:00
CODE_OWNERS.TXT
configure
CREDITS.TXT [NFC] Add to contributor list. 2019-02-26 05:46:45 +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

README.txt 

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