llvm-6502

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Manman Ren 2af66dc51a X86: peephole optimization to remove cmp instruction

For each Cmp, we check whether there is an earlier Sub which make Cmp
redundant. We handle the case where SUB operates on the same source operands as
Cmp, including the case where the two source operands are swapped.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159838 91177308-0d34-0410-b5e6-96231b3b80d8

2012-07-06 17:36:20 +00:00

autoconf

Remove autoconf support for runtest and tclsh, some of the last vestigal

2012-06-27 23:53:41 +00:00

bindings

[python] Add negative MemoryBuffer testcase

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

cmake

Revert r159588, and apply a more principled fix. Place the fix for this

2012-07-02 21:31:03 +00:00

docs

Update getFunction parameter documentation. Fixes PR13268.

2012-07-06 17:15:03 +00:00

examples

Move llvm/Support/IRBuilder.h -> llvm/IRBuilder.h

2012-06-29 12:38:19 +00:00

include

Revert r159789.

2012-07-06 16:42:25 +00:00

lib

X86: peephole optimization to remove cmp instruction

2012-07-06 17:36:20 +00:00

projects

Remove 'check-dg', a wrapper around 'check-local-dg' which was just

2012-06-28 00:03:13 +00:00

runtime

Free the allocated filename. Found by clang static analyzer.

2012-06-15 09:11:47 +00:00

test

X86: peephole optimization to remove cmp instruction

2012-07-06 17:36:20 +00:00

tools

Target option DisableJumpTables is a gross hack. Move it to TargetLowering instead.

2012-07-02 22:39:56 +00:00

unittests

Revert "IntRange:" as it appears to be breaking self hosting.

2012-07-02 23:22:21 +00:00

utils

Revert r159528 which taught lit's builtin shell test runner about the

2012-07-02 20:43:21 +00:00

.gitignore

Add tools/lld to .gitignore.

2012-05-02 21:25:32 +00:00

CMakeLists.txt

Hoist LLVM's lit testsuite infrastructure into module so that it can be

2012-06-30 10:14:14 +00:00

configure

Regenerate.

2012-06-28 20:35:00 +00:00

CREDITS.TXT

Alphabetize.

2012-06-19 23:47:58 +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

LLVMBuild: Introduce a common section which currently has a list of the

2011-12-12 22:45:54 +00:00

Makefile

Do not install llvm-config-host for cross-builds of clang. rdar://11317847

2012-05-09 00:07:02 +00:00

Makefile.common

[docs] Remove unsupported references to ExtraSource variable.

2012-05-15 21:32:27 +00:00

Makefile.config.in

Remove autoconf support for runtest and tclsh, some of the last vestigal

2012-06-27 23:53:41 +00:00

Makefile.rules

Remove 'check-dg', a wrapper around 'check-local-dg' which was just

2012-06-28 00:03:13 +00:00

README.txt

Testing commit access

2012-05-24 14:20:13 +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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