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LLVM backend for 6502
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7a9fbab182
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Louis Gerbarg 7a9fbab182 Add custom lowering for add/sub with overflow intrinsics to ARM 
This patch adds support to ARM for custom lowering of the
llvm.{u|s}add.with.overflow.i32 intrinsics for i32/i64. This is particularly useful
for handling idiomatic saturating math functions as generated by
InstCombineCompare.

Test cases included.

rdar://14853450

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208435 91177308-0d34-0410-b5e6-96231b3b80d8
2014-05-09 17:02:49 +00:00
autoconf ARM64: initial backend import 2014-03-29 10:18:08 +00:00
bindings [OCaml] Add an ocamlfind package llvm.all_backends. 2014-05-01 21:00:52 +00:00
cmake Disable -Wcomment when building with GCC. 2014-05-06 09:46:06 +00:00
docs IR: Don't allow non-default visibility on local linkage 2014-05-07 22:57:20 +00:00
examples Try to fix the msvc build. 2014-04-29 23:37:02 +00:00
include Run clang-format in small sections of code to make a patch easier to read. 2014-05-09 15:49:02 +00:00
lib Add custom lowering for add/sub with overflow intrinsics to ARM 2014-05-09 17:02:49 +00:00
projects Remove projects/sample. 2014-03-12 22:40:22 +00:00
test Add custom lowering for add/sub with overflow intrinsics to ARM 2014-05-09 17:02:49 +00:00
tools Use range loops. 2014-05-08 19:30:17 +00:00
unittests Remove use of = default/= delete as they're unsupported on MSVC2012 2014-05-09 02:26:36 +00:00
utils Move late partial-unrolling thresholds into the processor definitions 2014-05-08 09:14:44 +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 Remove projects/sample. 2014-03-12 22:40:22 +00:00
CMakeLists.txt [CMake] Add build rules for llvm-PerfectShuffle utility 2014-05-07 16:54:00 +00:00
CODE_OWNERS.TXT ARM Linux support 2014-04-02 23:03:28 +00:00
configure ARM64: initial backend import 2014-03-29 10:18:08 +00:00
CREDITS.TXT Test commit. 2014-04-10 22:25:51 +00:00
LICENSE.TXT Remove projects/sample. 2014-03-12 22:40:22 +00:00
llvm.spec.in
LLVMBuild.txt
Makefile [configure/make] Propagate names of build host tools when making BuildTools 2014-03-25 21:45:41 +00:00
Makefile.common
Makefile.config.in Add a --enable-clang-plugin-support option to configure. 2014-03-10 16:58:35 +00:00
Makefile.rules [Build] Add rule to generate fully-expanded .td file 2014-05-06 03:49:45 +00:00
README.txt Trivial test commit. 2014-04-26 19:05:45 +00:00

README.txt 

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

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