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LLVM backend for 6502
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c671375e8e
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David Majnemer c671375e8e InstCombine: Remove infinite loop caused by FoldOpIntoPhi 
FoldOpIntoPhi could create an infinite loop if the PHI could potentially
reach a BB it was considering inserting instructions into.  The
instructions it would insert would eventually lead to other combines
firing which would, again, lead to FoldOpIntoPhi firing.

The solution is to handicap FoldOpIntoPhi so that it doesn't attempt to
insert instructions that the PHI might reach.

This fixes PR21377.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221187 91177308-0d34-0410-b5e6-96231b3b80d8
2014-11-03 21:55:12 +00:00
autoconf [OCaml] [autoconf] Migrate to ocamlfind. 2014-10-30 08:29:45 +00:00
bindings [OCaml] Fix mismatched CAMLparam/CAMLreturn. 2014-11-03 11:47:14 +00:00
cmake [cmake] Pass -O3 when linking. 2014-11-02 12:14:22 +00:00
docs Docs: update va_arg example with valid x86_64 va_list type. 2014-11-02 01:21:51 +00:00
examples [CMake] llvm/examples: Update libdeps for unoptimized builds. 2014-10-31 15:27:16 +00:00
include Relax the LLVM_NOEXCEPT _MSC_VER version check back to 1900 2014-11-03 18:22:42 +00:00
lib InstCombine: Remove infinite loop caused by FoldOpIntoPhi 2014-11-03 21:55:12 +00:00
projects [cmake] Use the external project machinery for libcxxabi so that it can 2014-07-25 10:27:40 +00:00
test InstCombine: Remove infinite loop caused by FoldOpIntoPhi 2014-11-03 21:55:12 +00:00
tools MSVC requires redeclarations to repeat noexcept 2014-11-03 20:35:30 +00:00
unittests Remove the PreserveSource linker mode. 2014-10-28 00:24:16 +00:00
utils [lit] Forward LD_PRELOAD to tests. 2014-11-03 21:24:43 +00:00
.arcconfig Updated phabricator server. 2014-04-07 03:57:04 +00:00
.clang-format Test commit. 2014-03-02 13:08:46 +00:00
.clang-tidy Enable display of compiler diagnostics in clang-tidy by default. 2014-10-29 17:29:38 +00:00
.gitignore Initial version of Go bindings. 2014-10-16 22:48:02 +00:00
CMakeLists.txt Adding llvm-shlib to CMake build system with a few new bells and whistles 2014-10-23 17:22:14 +00:00
CODE_OWNERS.TXT Add Tom Stellard's role as 3.5 release manager. 2014-09-12 08:07:31 +00:00
configure [OCaml] [autoconf] Migrate to ocamlfind. 2014-10-30 08:29:45 +00:00
CREDITS.TXT Rise from the dead and update personal info 2014-08-25 17:51:04 +00:00
LICENSE.TXT Remove projects/sample. 2014-03-12 22:40:22 +00:00
llvm.spec.in
LLVMBuild.txt Remove the very substantial, largely unmaintained legacy PGO 2013-10-02 15:42:23 +00:00
Makefile [configure/make] Propagate names of build host tools when making BuildTools 2014-03-25 21:45:41 +00:00
Makefile.common Makefile.common: Update a description, s/Source/SOURCES/ , according to MakefileGuide.html#control-variables . 2012-12-07 01:43:23 +00:00
Makefile.config.in [OCaml] [autoconf] Migrate to ocamlfind. 2014-10-30 08:29:45 +00:00
Makefile.rules Revert my earlier change to add "all" as a dependency to check. In 2014-09-19 18:44:27 +00:00
README.txt Trivial test commit. 2014-04-26 19:05:45 +00:00

README.txt 

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

This directory and its subdirectories contain source code for the Low Level
Virtual Machine, 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're writing a package for LLVM, see docs/Packaging.rst for our
suggestions.