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Max Kazantsev 23381e1b40 [SCEV] Make isLoopEntryGuardedByCond a bit smarter
Sometimes `isLoopEntryGuardedByCond` cannot prove predicate `a > b` directly.
But it is a common situation when `a >= b` is known from ranges and `a != b` is
known from a dominating condition. Thia patch teaches SCEV to sum these facts
together and prove strict comparison via non-strict one.

Differential Revision: https://reviews.llvm.org/D42835

llvm-svn: 324453
2018-02-07 07:56:26 +00:00
bindings [NFC] fix trivial typos in comments and documents 2018-01-26 08:15:29 +00:00
cmake [cmake] Don't build Native llvm-config when cross compiling if passed by user. 2018-01-21 00:29:00 +00:00
docs [docs] Add out-of-date warnings to the BuildingAJIT tutorial text. 2018-02-06 21:25:20 +00:00
examples Add OrcJIT dependency for Kaleidoscope Chapter 9. 2018-02-06 22:22:10 +00:00
include [SCEV] Make isLoopEntryGuardedByCond a bit smarter 2018-02-07 07:56:26 +00:00
lib [SCEV] Make isLoopEntryGuardedByCond a bit smarter 2018-02-07 07:56:26 +00:00
projects [cmake] Support moving debuginfo-tests to llvm/projects 2017-12-12 17:06:08 +00:00
resources
runtimes [CMake] Support for cross-compilation when build runtimes 2018-01-08 23:50:59 +00:00
test [SCEV] Make isLoopEntryGuardedByCond a bit smarter 2018-02-07 07:56:26 +00:00
tools [ThinLTO] Serialize WithGlobalValueDeadStripping index flag for distributed backends 2018-02-07 04:05:59 +00:00
unittests Add DWARF for discriminated unions 2018-02-06 23:45:59 +00:00
utils [CodeGenSchedule][NFC] Always emit ProcResourceUnits. 2018-02-05 12:23:51 +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
.gitattributes [MC] Fix regression tests on Windows when git “core.autocrlf” is set to true. 2017-11-17 21:59:43 +00:00
.gitignore
CMakeLists.txt [CMake] Fix Bug Report URL 2018-01-25 19:16:46 +00:00
CODE_OWNERS.TXT Update my email addresses, NFC. 2017-10-26 10:16:54 +00:00
configure
CREDITS.TXT Add myself to CREDITS.txt 2018-01-29 17:02:34 +00:00
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
README.txt Test commit access 2017-08-18 02:39:28 +00:00
RELEASE_TESTERS.TXT Update my email addresses, NFC. 2017-10-26 10:16:54 +00:00

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