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Fangrui Song 8bc7bc4570 [Support] Allow FileOutputBuffer::create to create an empty file 
Size==0 triggers `assert(Size != 0)` in mapped_file_region::init.
I plan to use an empty file in D79339 (llvm-objcopy --dump-section).

According to POSIX, "If len is zero, mmap() shall fail and no mapping
shall be established." Just specialize case Size=0 to use
createInMemoryBuffer.

Reviewed By: jhenderson

Differential Revision: https://reviews.llvm.org/D79338
2020-05-05 08:11:58 -07:00
benchmarks
bindings Update go bindings for 2dea3f129878e929e5d1f00b91a622eb1ec8be4e 2020-04-22 19:02:59 +02:00
cmake [cmake] restrict object library dependency generation to PUBLIC libraries 2020-05-04 14:12:42 -07:00
docs [docs][llvm-objcopy] Update --output-target text with right defaults 2020-05-05 11:22:56 +01:00
examples [examples] Fix an incomplete comment. 2020-05-01 11:06:41 -07:00
include [NFC][CostModel] Add TargetCostKind to relevant APIs 2020-05-05 10:35:54 +01:00
lib [Support] Allow FileOutputBuffer::create to create an empty file 2020-05-05 08:11:58 -07:00
projects Add few docs and implementation of strcpy and strcat. 2019-10-04 17:30:54 +00:00
resources
runtimes [runtimes] When COMPILER_RT is enabled, consider SANITIZER prefixes 2020-03-11 14:22:20 -07:00
test Precommit new test cases for D79413 [InstCombine] Allow denormal C in pow(C,y) -> exp2(log2(C)*y) 2020-05-05 16:08:09 +01:00
tools [dsymutil] Thread the VFS through dsymutil (NFC) 2020-05-04 20:21:33 -07:00
unittests [Support] Allow FileOutputBuffer::create to create an empty file 2020-05-05 08:11:58 -07:00
utils [gn build] (manually) merge 07f8ca6ab19 2020-05-05 06:15:20 -04:00
.clang-format
.clang-tidy - Update .clang-tidy to ignore parameters of main like functions for naming violations in clang and llvm directory 2020-01-31 16:49:45 +00:00
.gitattributes Fix the "git modified" issue on the preserve-comments-crlf.s. 2019-09-10 12:17:49 +00:00
.gitignore Continue removing llgo. 2020-02-10 10:33:58 -08:00
CMakeLists.txt Revert "[lldb][cmake] Also use local submodule visibility on Darwin" 2020-05-05 15:23:34 +02:00
CODE_OWNERS.TXT Remove myself from CODE_OWNERS. 2020-02-25 11:59:29 +00:00
configure
CREDITS.TXT
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
README.txt Test commit. 2020-03-14 18:08:26 -07:00
RELEASE_TESTERS.TXT

README.txt 

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

This directory and its subdirectories contain source code for LLVM,
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Please see the documentation provided in docs/ for further
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If you are writing a package for LLVM, see docs/Packaging.rst for our
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