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Mirror of https://github.com/RPCS3/llvm-mirror
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a19d1f2a2c
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Duncan P. N. Exon Smith a19d1f2a2c Support: Extract fs::resize_file_before_mapping_readwrite from FileOutputBuffer 
Add a variant of `fs::resize_file` for use immediately before opening a
file with `mapped_file_region::readwrite`. On Windows, `_chsize`
(`ftruncate`) is slow, but `CreateFileMapping` (`mmap`) automatically
extends the file so the call to `fs::resize_file` can be skipped.

This optimization was added to `FileOutputBuffer` in
da9bc2e56d5a5c6332a9def1a0065eb399182b93; this commit just extracts the
logic out and adds a unit test.

Differential Revision: https://reviews.llvm.org/D95490
2021-04-08 16:26:35 -07:00
benchmarks
bindings [NFC][OCaml] Reformat to clean up following CAMLprim removal 2021-04-05 10:55:08 +01:00
cmake [CMake] try creating symlink first on windows 2021-04-07 11:23:10 +02:00
docs AMDGPU: Add gfx90c support to code object v2 for backwards compatibility 2021-04-08 16:42:43 -04:00
examples [Orc][examples] Add missing FileCheck for lit test and polish output 2021-04-07 11:12:20 +02:00
include Support: Extract fs::resize_file_before_mapping_readwrite from FileOutputBuffer 2021-04-08 16:26:35 -07:00
lib Support: Extract fs::resize_file_before_mapping_readwrite from FileOutputBuffer 2021-04-08 16:26:35 -07:00
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 [SLP]Fix PR49898: Infinite loop in SLP vectorizer. 2021-04-08 14:18:06 -07:00
tools [dsymutil] Don't emit .debug_pubnames and .debug_pubtypes 2021-04-06 19:01:45 -07:00
unittests Support: Extract fs::resize_file_before_mapping_readwrite from FileOutputBuffer 2021-04-08 16:26:35 -07:00
utils abtest.py: support bisection based on a response file 2021-04-08 09:46:01 -07:00
.clang-format Test commit. 2014-03-02 13:08:46 +00:00
.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 Remove .gitignore entries not relevant in the monorepo. 2021-04-07 12:25:02 -07:00
CMakeLists.txt [mlgo] fix build rules 2021-04-03 12:49:03 -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 Remove autoconf support 2016-01-26 21:29:08 +00:00
CREDITS.TXT [NFC] Add contributors names to CREDITS.TXT 2020-10-07 13:22:55 -04:00
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

README.txt 

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

This directory and its subdirectories contain source code for LLVM,
a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments.

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

Please see the documentation provided in docs/ for further
assistance with LLVM, and in particular docs/GettingStarted.rst for getting
started with LLVM and docs/README.txt for an overview of LLVM's
documentation setup.

If you are writing a package for LLVM, see docs/Packaging.rst for our
suggestions.