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Mirror of https://github.com/RPCS3/llvm-mirror
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Sanjay Patel 458e63ca85 [DAGCombiner] fold assertzexts separated by trunc 
If we have an AssertZext of a truncated value that has already been AssertZext'ed, 
we can assert on the wider source op to improve the zext-y knowledge:
 assert (trunc (assert X, i8) to iN), i1 --> trunc (assert X, i1) to iN

This moves a fold from being Mips-specific to general combining, and x86 shows
improvements.

Differential Revision: https://reviews.llvm.org/D37017

llvm-svn: 313577
2017-09-18 22:05:35 +00:00
bindings Update the Go bindings for r309426 (remove offset from llvm.dbg.value) 2017-07-28 22:44:44 +00:00
cmake [cmake] Add a simple function to dump all variables. 2017-09-18 21:52:02 +00:00
docs [libFuzzer] one more trophy 2017-09-18 20:48:35 +00:00
examples Fix broken links to the Itanium CXX ABI 2017-09-12 00:19:11 +00:00
include llvm-dwarfdump: add a --show-parents options when selectively dumping DIEs. 2017-09-18 21:27:44 +00:00
lib [DAGCombiner] fold assertzexts separated by trunc 2017-09-18 22:05:35 +00:00
projects
resources
runtimes [CMake][runtimes] Use the same configuration for non-target and "default" target 2017-09-08 22:26:50 +00:00
test [DAGCombiner] fold assertzexts separated by trunc 2017-09-18 22:05:35 +00:00
tools llvm-dwarfdump: add a --show-parents options when selectively dumping DIEs. 2017-09-18 21:27:44 +00:00
unittests [dwarfdump] Make .eh_frame an alias for .debug_frame 2017-09-18 14:15:57 +00:00
utils Remove uses of deprecated std::not1. 2017-09-17 11:19:53 +00:00
.arcconfig
.clang-format
.clang-tidy
.gitignore
CMakeLists.txt Resubmit "[lit] Force site configs to run before source-tree configs" 2017-09-15 22:10:46 +00:00
CODE_OWNERS.TXT [ARC] Add ARC backend. 2017-08-24 15:40:33 +00:00
configure
CREDITS.TXT Add myself to CREDITS.txt 2017-09-18 14:33:39 +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 [RelTest] Diana is doing both releases now 2017-07-14 08:33:52 +00:00

README.txt 

Low Level Virtual Machine (LLVM)
================================

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.