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d8ca3c0d57
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Roman Lebedev d8ca3c0d57 [CVP] No-wrap deduction for shl 
Summary:
This is the last `OverflowingBinaryOperator` for which we don't deduce flags.
D69217 taught `ConstantRange::makeGuaranteedNoWrapRegion()` about it.

The effect is better than of the `mul` patch (D69203):

| statistic                              |     old |     new | delta | % change |
| correlated-value-propagation.NumAddNUW |    7145 |    7144 |    -1 | -0.0140% |
| correlated-value-propagation.NumAddNW  |   12126 |   12125 |    -1 | -0.0082% |
| correlated-value-propagation.NumAnd    |     443 |     446 |     3 |  0.6772% |
| correlated-value-propagation.NumNSW    |    5986 |    7158 |  1172 | 19.5790% |
| correlated-value-propagation.NumNUW    |   10512 |   13304 |  2792 | 26.5601% |
| correlated-value-propagation.NumNW     |   16498 |   20462 |  3964 | 24.0272% |
| correlated-value-propagation.NumShlNSW |       0 |    1172 |  1172 |          |
| correlated-value-propagation.NumShlNUW |       0 |    2793 |  2793 |          |
| correlated-value-propagation.NumShlNW  |       0 |    3965 |  3965 |          |
| instcount.NumAShrInst                  |   13824 |   13790 |   -34 | -0.2459% |
| instcount.NumAddInst                   |  277584 |  277586 |     2 |  0.0007% |
| instcount.NumAndInst                   |   66061 |   66056 |    -5 | -0.0076% |
| instcount.NumBrInst                    |  709153 |  709147 |    -6 | -0.0008% |
| instcount.NumICmpInst                  |  483709 |  483708 |    -1 | -0.0002% |
| instcount.NumSExtInst                  |   79497 |   79496 |    -1 | -0.0013% |
| instcount.NumShlInst                   |   40691 |   40654 |   -37 | -0.0909% |
| instcount.NumSubInst                   |   61997 |   61996 |    -1 | -0.0016% |
| instcount.NumZExtInst                  |   68208 |   68211 |     3 |  0.0044% |
| instcount.TotalBlocks                  |  843916 |  843910 |    -6 | -0.0007% |
| instcount.TotalInsts                   | 7387528 | 7387448 |   -80 | -0.0011% |

Reviewers: nikic, reames, sanjoy, timshen

Reviewed By: nikic

Subscribers: hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D69277

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@375455 91177308-0d34-0410-b5e6-96231b3b80d8
2019-10-21 21:31:19 +00:00
benchmarks Pull google/benchmark library to the LLVM tree 2018-08-28 09:42:41 +00:00
bindings Reapply r374743 with a fix for the ocaml binding 2019-10-14 16:15:14 +00:00
cmake [cmake] Pass external project source directories to sub-configures 2019-10-17 19:24:58 +00:00
docs [docs][llvm-ar] Update llvm-ar command guide 2019-10-21 13:13:31 +00:00
examples [examples] Fix some comments in the LLJITWithJITLink example 2019-10-18 18:35:02 +00:00
include [GISel][CombinerHelper] Add a combine turning shuffle_vector into concat_vectors 2019-10-21 20:39:58 +00:00
lib [CVP] No-wrap deduction for shl 2019-10-21 21:31:19 +00:00
projects Add few docs and implementation of strcpy and strcat. 2019-10-04 17:30:54 +00:00
resources
runtimes Adding support for overriding LLVM_ENABLE_RUNTIMES for runtimes builds. 2019-09-24 22:38:18 +00:00
test [CVP] No-wrap deduction for shl 2019-10-21 21:31:19 +00:00
tools Prune Pass.h include from DataLayout.h. NFCI 2019-10-21 17:51:54 +00:00
unittests Prune Pass.h include from DataLayout.h. NFCI 2019-10-21 17:51:54 +00:00
utils gn build: Merge r375390 2019-10-21 08:06:38 +00:00
.arcconfig
.clang-format
.clang-tidy Disable tidy checks with too many hits 2019-02-01 11:20:13 +00:00
.gitattributes Fix the "git modified" issue on the preserve-comments-crlf.s. 2019-09-10 12:17:49 +00:00
.gitignore gitignore: Ignore Qt Creator project configuration files. NFC 2019-06-12 08:28:31 +00:00
CMakeLists.txt Add few docs and implementation of strcpy and strcat. 2019-10-04 17:30:54 +00:00
CODE_OWNERS.TXT Update email address in CODE_OWNERS 2019-07-01 16:01:15 +00:00
configure
CREDITS.TXT Update email address. 2019-07-17 07:02:02 +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 Test commit. 2019-10-03 14:57:49 +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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