llvm-6502

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Bill Wendling 8b4b874cc6 Match this pattern so that we can generate simpler code:

%a = ...
  %b = and i32 %a, 2
  %c = srl i32 %b, 1
  %d = br i32 %c, 

into

  %a = ...
  %b = and %a, 2
  %c = X86ISD::CMP %b, 0
  %d = X86ISD::BRCOND %c ...

This applies only when the AND constant value has one bit set and the SRL
constant is equal to the log2 of the AND constant. The back-end is smart enough
to convert the result into a TEST/JMP sequence.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67728 91177308-0d34-0410-b5e6-96231b3b80d8

2009-03-26 01:47:50 +00:00

autoconf

Revert r66765 and r66766. These were causing build failures on Darwin.

2009-03-12 04:10:09 +00:00

bindings

Fix a parallel make race condition by swapping the order of -I directories.

2009-03-06 00:00:58 +00:00

cmake

CMake: Build system fixes for XCode. llvm-config still causes us some serious trouble, but it's less serious than it used to be

2009-03-16 22:53:26 +00:00

docs

Mention explicitly that the Ada front-end will not bootstrap.

2009-03-24 21:16:39 +00:00

examples

reapply Sanjiv's patch to genericize memcpy/memset/memmove to take an

2008-11-21 16:42:48 +00:00

include

CodeGen still defaults to non-verbose asm, but llc now overrides it and default to verbose.

2009-03-25 01:47:28 +00:00

lib

Match this pattern so that we can generate simpler code:

2009-03-26 01:47:50 +00:00

projects

Revert r67655 and r67656, as they are breaking the build. I'm

2009-03-25 00:52:11 +00:00

runtime

Drop toy GC runtime.

2009-03-02 03:46:48 +00:00

test

Before deleting a basic block, give other loop passes a chance cleanup analysis values, related to the instructions in the basic block.

2009-03-25 23:57:48 +00:00

tools

CodeGen still defaults to non-verbose asm, but llc now overrides it and default to verbose.

2009-03-25 01:48:21 +00:00

unittests

Converted a1.ll to unittests.

2009-03-24 21:36:09 +00:00

utils

Modify getRegisterValueType() to allow for a register being in mutliple

2009-03-25 23:28:33 +00:00

website

Prepare for "core" website.

2007-08-03 05:43:35 +00:00

win32

Update hand-crafted VC++ build.

2009-02-02 19:22:02 +00:00

Xcode

Remove Stacker.html from Xcode project.

2008-10-14 23:23:59 +00:00

build-for-llvm-top.sh

Patch to build llvm with srcdir != objdir from

2009-01-23 08:42:38 +00:00

CMakeLists.txt

Fix the Win32 VS2008 build:

2009-03-19 23:26:52 +00:00

configure

Revert r66765 and r66766. These were causing build failures on Darwin.

2009-03-12 04:10:09 +00:00

CREDITS.TXT

Adding your's truly to CREDITS.TXT

2009-01-19 15:04:29 +00:00

LICENSE.TXT

Another great year for LLVM!

2009-02-26 15:17:13 +00:00

llvm.spec.in

…

Makefile

Remove configurey-fu to autodetect hash_map and hash_set now that they are

2009-03-09 06:16:26 +00:00

Makefile.common

Removed trailing whitespace from Makefiles.

2009-01-09 16:44:42 +00:00

Makefile.config.in

Autodetect the availability of -export-dynamic in the linker.

2009-03-05 08:20:21 +00:00

Makefile.rules

Missed this as part of r67451.

2009-03-23 03:45:56 +00:00

ModuleInfo.txt

Patch to build llvm with srcdir != objdir from

2009-01-23 08:42:38 +00:00

README.txt

README.txt: test commit w/blank line appended

2009-03-23 21:00:45 +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 HTML documentation provided in docs/index.html for further
assistance with LLVM.

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