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Sanjay Patel 4345e14522 [InstCombine] avoid infinite loops from min/max canonicalization
The intrinsics have an extra chunk of known bits logic
compared to the normal cmp+select idiom. That allows
folding the icmp in each case to something better, but
that then opposes the canonical form of min/max that
we try to form for a select.

I'm carving out a narrow exception to preserve all
existing regression tests while avoiding the inf-loop.
It seems unlikely that this is the only bug like this
left, but this should fix:
https://llvm.org/PR51419

(cherry picked from commit b267d3ce8defa092600bda717ff18440d002f316)
2021-08-16 11:35:38 -07:00
benchmarks
bindings [IR] Rename comdat noduplicates to comdat nodeduplicate 2021-07-20 12:47:10 -07:00
cmake [llvm] [cmake] Export LLVM_ENABLE_NEW_PASS_MANAGER into LLVMConfig.cmake 2021-08-10 15:37:05 -07:00
docs Add release notes for things relating to MinGW in the release 2021-08-16 12:26:49 +03:00
examples [ORC] Require ExecutorProcessControl when constructing an ExecutionSession. 2021-07-27 16:53:49 +10:00
include [InstSimplify] fold min/max with limit constant 2021-08-16 11:35:29 -07:00
lib [InstCombine] avoid infinite loops from min/max canonicalization 2021-08-16 11:35:38 -07:00
projects [RFC][debuginfo-test] Rename debug-info lit tests for general purposes 2021-06-28 11:31:40 +01:00
resources
runtimes [OpenMP] Fixing llvm-omp-device-info compilation with runtimes 2021-08-02 20:05:19 -07:00
test [InstCombine] avoid infinite loops from min/max canonicalization 2021-08-16 11:35:38 -07:00
tools [MCA] Simplify the rounding logic used in TimelineView::printWaitTimeEntry. 2021-08-11 13:42:58 -07:00
unittests [mlir][openacc] Initial translation for DataOp to LLVM IR 2021-07-27 22:04:04 -04:00
utils [llvm] [lit] Fix inconsistent test order in shtest-keyword-parse-errors 2021-08-06 12:50:56 -07:00
.clang-format
.clang-tidy NFC: .clang-tidy: Inherit configs from parents to improve maintainability 2021-06-08 08:25:59 -07:00
.gitattributes Fix the "git modified" issue on the preserve-comments-crlf.s. 2019-09-10 12:17:49 +00:00
.gitignore Remove .gitignore entries not relevant in the monorepo. 2021-04-07 12:25:02 -07:00
CMakeLists.txt Drop LLVM_VERSION_SUFFIX 2021-08-10 20:50:20 -07:00
CODE_OWNERS.TXT [NFC] Update code owners file 2021-07-20 11:29:10 -07:00
configure
CREDITS.TXT Update personal info in CREDITS.TXT 2021-04-11 19:25:02 +08:00
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
README.txt Test commit. 2020-03-14 18:08:26 -07:00
RELEASE_TESTERS.TXT Update the list of platforms & archs 2018-12-16 14:47:16 +00:00

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