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Saleem Abdulrasool 1f058e747e ARM: correct isPredicable for MULS in ThHUMB mode 
The ARM ARM states that CPSR may not be updated by a MUL in thumb mode.  Due to
an ordering of Thumb 2 Size Reduction and If Conversion, we would end up
generating a THUMB MULS inside an IT block.

The If Conversion pass uses the TTI isPredicable method to ensure that it can
transform a Basic Block.  However, because we only check for IT handling on
Thumb2 functions, we may miss some cases.  Even then, it only validates that the
CPSR is not *live* rather than it is not accessed.  This corrects the handling
for that particular case since the same restriction does not hold on the vast
majority of the instructions.

This does prevent the IfConversion optimization from kicking in in certain
cases, but generating correct code is more valuable.  Addresses PR20555.

llvm-svn: 215328
2014-08-10 22:20:37 +00:00
autoconf [autoconf] Fixup s/3.5/3.6/. Clang's ident was 3.5.0svn in autoconf build. 2014-07-29 08:35:03 +00:00
bindings Temporarily Revert "Nuke the old JIT." as it's not quite ready to 2014-08-07 22:02:54 +00:00
cmake Fix for #20408 - CMake LLVM_ENABLE_FFI=ON build fails on reconfigure 2014-08-08 14:32:56 +00:00
docs Temporarily Revert "Nuke the old JIT." as it's not quite ready to 2014-08-07 22:02:54 +00:00
examples Temporarily Revert "Nuke the old JIT." as it's not quite ready to 2014-08-07 22:02:54 +00:00
include If available, pass down the Fixup object to EvaluateAsRelocatable. 2014-08-10 11:35:12 +00:00
lib ARM: correct isPredicable for MULS in ThHUMB mode 2014-08-10 22:20:37 +00:00
projects [cmake] Use the external project machinery for libcxxabi so that it can 2014-07-25 10:27:40 +00:00
test ARM: correct isPredicable for MULS in ThHUMB mode 2014-08-10 22:20:37 +00:00
tools getLoadName is only implemented for ELF, make it ELF only. 2014-08-08 16:39:22 +00:00
unittests ADT: remove MinGW32 and Cygwin OSType enum 2014-08-09 23:12:20 +00:00
utils Temporarily Revert "Nuke the old JIT." as it's not quite ready to 2014-08-07 22:02:54 +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
.gitignore Add Polly to the ignored trees. 2014-06-25 13:13:36 +00:00
CMakeLists.txt Fix building with in-tree libc++abi on FreeBSD 2014-08-01 19:23:15 +00:00
CODE_OWNERS.TXT Add a sentence that all entries should include an email address. 2014-08-04 19:33:25 +00:00
configure [autoconf] Fixup s/3.5/3.6/. Clang's ident was 3.5.0svn in autoconf build. 2014-07-29 08:35:03 +00:00
CREDITS.TXT Test commit access 2014-08-09 16:05:23 +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 Track clang r213171 2014-07-16 16:50:34 +00:00
Makefile.rules Temporarily Revert "Nuke the old JIT." as it's not quite ready to 2014-08-07 22:02:54 +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.