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Florian Hahn f40584cef6 [LoopDeletion] Consider infinite loops alive, unless mustprogress.
The current loop or any of its sub-loops may be infinite. Unless the
function or the loops are marked as mustprogress, this in itself makes
the loop *not* dead.

This patch moves the logic to check whether the current loop is finite
or mustprogress to `isLoopDead` and also extends it to check the
sub-loops. This should fix PR50511.

Reviewed By: nikic

Differential Revision: https://reviews.llvm.org/D103382
2021-06-01 13:07:36 +01:00
benchmarks
bindings [SanitizeCoverage] Add support for NoSanitizeCoverage function attribute 2021-05-25 12:57:14 +02:00
cmake Pass -gcodeview-ghash when using clang-cl and lld-link 2021-05-27 20:49:17 -07:00
docs [LangRef] update according to unwinding support in inline asm 2021-05-31 09:01:46 +01:00
examples [ORC] Update SpeculativeJIT example for dispatchTask changes in 5344c88dcb2. 2021-05-10 09:30:46 -07:00
include [WebAssembly][CodeGen] IR support for WebAssembly local variables 2021-06-01 11:31:39 +02:00
lib [LoopDeletion] Consider infinite loops alive, unless mustprogress. 2021-06-01 13:07:36 +01:00
projects llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
resources
runtimes [runtimes] Add the libc project to the list of runtimes. 2021-03-23 17:33:03 +00:00
test [LoopDeletion] Consider infinite loops alive, unless mustprogress. 2021-06-01 13:07:36 +01:00
tools [MCA][NFCI] Minor changes to InstrBuilder and Instruction. 2021-05-31 17:05:13 +01:00
unittests [VP] Make getMaskParamPos/getVectorLengthParamPos return unsigned. Lowercase function names. 2021-05-28 11:28:47 -07:00
utils [libcxx] [test] Fix the _supportsVerify check on Windows by fixing quoting 2021-06-01 09:51:41 +03:00
.clang-format
.clang-tidy
.gitattributes
.gitignore Remove .gitignore entries not relevant in the monorepo. 2021-04-07 12:25:02 -07:00
CMakeLists.txt [CMake] Don't LTO optimize targets that aren't part of any distribution 2021-05-19 15:02:11 -07:00
CODE_OWNERS.TXT [M68k][CODE_OWNERS](0/8) Add code owner for the M68k target 2021-03-08 12:30:56 -08:00
configure
CREDITS.TXT Update personal info in CREDITS.TXT 2021-04-11 19:25:02 +08:00
LICENSE.TXT
llvm.spec.in
README.txt Test commit. 2020-03-14 18:08:26 -07:00
RELEASE_TESTERS.TXT

The LLVM Compiler Infrastructure
================================

This directory and its subdirectories contain source code for LLVM,
a toolkit for the construction of highly optimized compilers,
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Please see the documentation provided in docs/ for further
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