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e9bed7d107
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Chris Lattner e9bed7d107 Implement or.ll:test21. This teaches instcombine to be able to turn this: 
struct {
   unsigned int bit0:1;
   unsigned int ubyte:31;
} sdata;

void foo() {
  sdata.ubyte++;
}

into this:

foo:
        add DWORD PTR [sdata], 2
        ret

instead of this:

foo:
        mov %EAX, DWORD PTR [sdata]
        mov %ECX, %EAX
        add %ECX, 2
        and %ECX, -2
        and %EAX, 1
        or %EAX, %ECX
        mov DWORD PTR [sdata], %EAX
        ret


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23376 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-18 03:42:07 +00:00
autoconf For PR619: 2005-08-24 10:43:10 +00:00
docs new expression type 2005-09-08 18:47:21 +00:00
examples For PR616: 2005-08-24 10:07:20 +00:00
include/llvm add a new callback 2005-09-17 01:02:45 +00:00
lib Implement or.ll:test21. This teaches instcombine to be able to turn this: 2005-09-18 03:42:07 +00:00
projects Implement PR614: 2005-08-27 18:50:39 +00:00
runtime Remove trailing whitespace 2005-04-21 23:48:37 +00:00
test new testcase 2005-09-18 03:39:02 +00:00
tools Add help support for -mcpu and -mattr. 2005-09-02 19:27:43 +00:00
utils Fix a minor bug, add comments 2005-09-16 00:29:46 +00:00
win32 Fix more Visual Studio build problems. 2005-09-10 02:33:17 +00:00
Xcode Added targets to speed up build of llc. 2005-09-09 17:50:20 +00:00
.cvsignore Ignore the configure.out file generated by "make reconfigure" 2005-06-18 23:01:25 +00:00
configure For PR616: 2005-08-24 10:07:20 +00:00
CREDITS.TXT Add a note, people are responsible for requesting that they be added to the 2005-08-02 22:10:21 +00:00
LICENSE.TXT Remove extraneous colons after program names for consistency 2005-05-12 21:39:01 +00:00
llvm.spec Onward to LLVM-1.6 and beyond! 2005-05-18 20:23:20 +00:00
llvm.spec.in Onward to LLVM-1.6 and beyond! 2005-05-18 20:23:20 +00:00
Makefile For PR614: 2005-08-25 04:59:49 +00:00
Makefile.common Update comments to reflect new variable names. Patch contributed by 2005-02-14 16:02:19 +00:00
Makefile.config.in Two changes: 2005-04-22 17:14:14 +00:00
Makefile.rules allow for a target to ask for a dag isel 2005-09-03 01:15:25 +00:00
README.txt Make the text of this file a little more useful. 2004-09-02 22:49:27 +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.