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Mirror of https://github.com/RPCS3/llvm-mirror
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Sanjay Patel e2b7624499 Return undef on FP <-> Int conversions that overflow (PR21330). 
The LLVM Lang Ref states for signed/unsigned int to float conversions:
"If the value cannot fit in the floating point value, the results are undefined."

And for FP to signed/unsigned int:
"If the value cannot fit in ty2, the results are undefined."

This matches the C definitions.

The existing behavior pins to infinity or a max int value, but that may just
lead to more confusion as seen in:
http://llvm.org/bugs/show_bug.cgi?id=21130

Returning undef will hopefully lead to a less silent failure.

Differential Revision: http://reviews.llvm.org/D5603

llvm-svn: 219542
2014-10-10 23:00:21 +00:00
autoconf Recognize aarch64_be as valid architecture. 2014-10-06 23:05:04 +00:00
bindings Reinstate "Nuke the old JIT." 2014-09-02 22:28:02 +00:00
cmake Re-land r219354: Use llvm-symbolizer to symbolize LLVM/Clang crash dumps. 2014-10-10 22:06:59 +00:00
docs Update dwarf::ApplePropertyAttributes enum to meaningful values. 2014-10-08 14:59:44 +00:00
examples Add doInitialization/doFinalization to DataLayoutPass. 2014-09-10 21:27:43 +00:00
include Re-land r219354: Use llvm-symbolizer to symbolize LLVM/Clang crash dumps. 2014-10-10 22:06:59 +00:00
lib Return undef on FP <-> Int conversions that overflow (PR21330). 2014-10-10 23:00:21 +00:00
projects [cmake] Use the external project machinery for libcxxabi so that it can 2014-07-25 10:27:40 +00:00
test Return undef on FP <-> Int conversions that overflow (PR21330). 2014-10-10 23:00:21 +00:00
tools llvm-ar: Start adding support for mri scripts. 2014-10-10 18:33:51 +00:00
unittests [ADT] Add an (ADL-friendly) abs free function for APFloat that returns 2014-10-10 08:27:22 +00:00
utils [AVX512] Extended avx512_binop_rm for AVX512VL subsets. 2014-10-09 08:38:48 +00:00
.arcconfig
.clang-format
.clang-tidy Add .clang-tidy configuration file to provide LLVM-optimized defaults for 2014-09-08 13:30:00 +00:00
.gitignore Add Polly to the ignored trees. 2014-06-25 13:13:36 +00:00
CMakeLists.txt Add LLVM_ENABLE_MODULES flag to CMake to enable building with C++ modules. 2014-09-26 22:40:15 +00:00
CODE_OWNERS.TXT Add Tom Stellard's role as 3.5 release manager. 2014-09-12 08:07:31 +00:00
configure Remove unused ALL_BINDINGS configuration variable. 2014-10-03 23:03:01 +00:00
CREDITS.TXT Rise from the dead and update personal info 2014-08-25 17:51:04 +00:00
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
Makefile
Makefile.common
Makefile.config.in Remove unused ALL_BINDINGS configuration variable. 2014-10-03 23:03:01 +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

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.