llvm-6502

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Chad Rosier a73b6fc511 Add x86-specific DAG combine to simplify:

x == -y --> x+y == 0
 x != -y --> x+y != 0

On x86, the generated code goes from
   negl    %esi
   cmpl    %esi, %edi
   je    .LBB0_2
to
   addl    %esi, %edi
   je    .L4

This case is correctly handled for ARM with "cmn".

Patch by Manman Ren.
rdar://11245199
PR12545


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155739 91177308-0d34-0410-b5e6-96231b3b80d8

2012-04-27 22:33:25 +00:00

autoconf

Kick off 3.2 cycle for LLVM trunk.

2012-04-20 18:15:07 +00:00

bindings

[python] Add negative MemoryBuffer testcase

2012-03-22 11:23:52 +00:00

cmake

[CMake] Restructure how Clang, Polly and other external projects get included.

2012-04-26 19:43:35 +00:00

docs

Remove a docs reference to the CBackend.

2012-04-27 16:29:22 +00:00

examples

Remove llvm-ld and llvm-stub (which is only used by llvm-ld).

2012-04-19 19:27:54 +00:00

include

Reapply the SmallMap patch with a fix.

2012-04-25 18:01:58 +00:00

lib

Add x86-specific DAG combine to simplify:

2012-04-27 22:33:25 +00:00

projects

Update config.sub in the sample project.

2012-04-27 10:27:32 +00:00

runtime

Switch to c-style comments in a C file.

2012-04-27 19:30:29 +00:00

test

Add x86-specific DAG combine to simplify:

2012-04-27 22:33:25 +00:00

tools

DumpSegment64Command() wasn't returning correct result. Caught by static analyzer. rdar://11329354

2012-04-26 22:07:28 +00:00

unittests

Fixed SmallMap test. The order of items is undefined in DenseMap. So being checking the increment for big mode, we can only check that all items are in map.

2012-04-26 18:45:24 +00:00

utils

Add ifdef around getSubtargetFeatureName in tablegen output file so that only targets that want the function get it. This prevents other targets from getting an unused function warning.

2012-04-25 06:56:34 +00:00

.gitignore

[docs] Stub out structure for Sphinx-based docs.

2012-04-19 16:31:19 +00:00

CMakeLists.txt

CMake: Prune redundant LLVM_COMPILER_JOBS from llvm/CMakeLists.txt. HandleLLVMOptions.cmake has it.

2012-04-21 14:50:56 +00:00

configure

Kick off 3.2 cycle for LLVM trunk.

2012-04-20 18:15:07 +00:00

CREDITS.TXT

Update woefully stale credits entry. Everything listed there had been

2012-04-17 01:19:37 +00:00

LICENSE.TXT

Add YAML parser to Support.

2012-04-03 23:09:22 +00:00

llvm.spec.in

Tidy up. s/Low Level Virtual Machine/LLVM/.

2012-01-25 22:00:23 +00:00

LLVMBuild.txt

…

Makefile

When cross compiling, install a host version of llvm-config. <rdar://11187889>

2012-04-19 23:19:55 +00:00

Makefile.common

…

Makefile.config.in

Add profiling support for Intel Parallel Amplifier XE (VTune) for JITted code in LLVM.

2012-03-13 08:33:15 +00:00

Makefile.rules

Remove llvm-ld and llvm-stub (which is only used by llvm-ld).

2012-04-19 19:27:54 +00:00

README.txt

test commit

2012-03-20 13:12:38 +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 HTML documentation provided in docs/index.html for further
assistance with LLVM.

If you're writing a package for LLVM, see docs/Packaging.html for our
suggestions.

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