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Simon Pilgrim dce0cf840e [SelectionDAG] Check for any recursion depth greater than or equal to limit instead of just equal the limit. 
If anything called the recursive isKnownNeverNaN/computeKnownBits/ComputeNumSignBits/SimplifyDemandedBits/SimplifyMultipleUseDemandedBits with an incorrect depth then we could continue to recurse if we'd already exceeded the depth limit.

This replaces the limit check (Depth == 6) with a (Depth >= 6) to make sure that we don't circumvent it. 

This causes a couple of regressions as a mixture of calls (SimplifyMultipleUseDemandedBits + combineX86ShufflesRecursively) were calling with depths that were already over the limit. I've fixed SimplifyMultipleUseDemandedBits to not do this. combineX86ShufflesRecursively is trickier as we get a lot of regressions if we reduce its own limit from 8 to 6 (it also starts at Depth == 1 instead of Depth == 0 like the others....) - I'll see what I can do in future patches.

llvm-svn: 367171
2019-07-27 12:48:46 +00:00
benchmarks Pull google/benchmark library to the LLVM tree 2018-08-28 09:42:41 +00:00
bindings [IR/DIVar] Add the flag for params that have unmodified value 2019-06-26 11:19:26 +00:00
cmake [CMake] Add -z defs on Solaris 2019-07-23 16:27:34 +00:00
docs Reland: [Remarks] Support parsing remark metadata in the YAML remark parser 2019-07-26 21:02:02 +00:00
examples [ORC] Add deprecation warnings to ORCv1 layers and utilities. 2019-07-17 16:40:52 +00:00
include Reland: [Remarks] Support parsing remark metadata in the YAML remark parser 2019-07-26 21:02:02 +00:00
lib [SelectionDAG] Check for any recursion depth greater than or equal to limit instead of just equal the limit. 2019-07-27 12:48:46 +00:00
projects Revert "[libc++] Integrate the PSTL into libc++" 2019-07-19 18:52:46 +00:00
resources
runtimes Setup testing target dependencies for default runtimes 2019-06-11 00:25:57 +00:00
test [SelectionDAG] Check for any recursion depth greater than or equal to limit instead of just equal the limit. 2019-07-27 12:48:46 +00:00
tools [llvm-objcopy] Add support for --add-section for COFF 2019-07-26 17:06:41 +00:00
unittests [Remarks] Update unit test to use StringRef::lower 2019-07-26 22:36:20 +00:00
utils [llvm] [lit/tests] Replace 'env -u' with more portable construct 2019-07-26 15:39:05 +00:00
.arcconfig [llvm] Set up .arcconfig to point to Diffusion L repository 2018-01-12 15:37:41 +00:00
.clang-format
.clang-tidy Disable tidy checks with too many hits 2019-02-01 11:20:13 +00:00
.gitattributes [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
.gitignore gitignore: Ignore Qt Creator project configuration files. NFC 2019-06-12 08:28:31 +00:00
CMakeLists.txt [CMake] Allow LLVM_EXTERNAL_<proj>_SOURCE_DIR to be overridden if it is 2019-07-26 19:25:57 +00:00
CODE_OWNERS.TXT Update email address in CODE_OWNERS 2019-07-01 16:01:15 +00:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
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 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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