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llvm-project/llvm
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Chris Lattner aedcabe8db Emit comparisons against the sign bit better. Codegen this: 
bool %test1(long %X) {
        %A = setlt long %X, 0
        ret bool %A
}

like this:

test1:
        cmpl $0, 8(%esp)
        setl %al
        movzbl %al, %eax
        ret

instead of:

test1:
        movl 8(%esp), %ecx
        cmpl $0, %ecx
        setl %al
        movzbw %al, %ax
        cmpl $0, 4(%esp)
        setb %dl
        movzbw %dl, %dx
        cmpl $0, %ecx
        cmove %dx, %ax
        movzbl %al, %eax
        ret

llvm-svn: 21243
 		2005-04-12 02:19:10 +00:00
..
autoconf Recognize an IA64 when we see one 2005-03-17 20:56:22 +00:00
docs * Put command-line switches and function names in <tt> 2005-03-30 19:14:24 +00:00
examples add missing copyright header 2005-03-15 15:46:23 +00:00
include/llvm rename addU64Imm() to addImm64() 2005-04-11 07:14:41 +00:00
lib Emit comparisons against the sign bit better. Codegen this: 2005-04-12 02:19:10 +00:00
projects Rename createPromoteMemoryToRegister() to 2005-03-28 02:01:12 +00:00
runtime Fix grammar 2005-03-23 21:14:33 +00:00
test fix this testcase so the regex doesn't match the function name 2005-04-10 20:45:35 +00:00
tools Ensure that the arguments passed to sys::Program::ExecuteAndWait include 2005-04-11 05:48:04 +00:00
utils spiff up the nightly tester output one more notch 2005-03-17 16:07:45 +00:00
win32 Do #include HashExtras.h with VC++ 2005-03-16 05:49:58 +00:00
.cvsignore Ignore the autom4te.cache directoy. 2004-12-24 15:11:23 +00:00
CREDITS.TXT Updating my entry. 2005-03-22 21:33:19 +00:00
LICENSE.TXT Another year, another copyright update. 2005-01-08 19:10:44 +00:00
Makefile Remove the check target. Its now in Makefile.rules 2004-12-06 05:35:00 +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 For PR528: 2005-02-24 03:56:32 +00:00
Makefile.rules * Remove extraneous spaces 2005-03-11 04:15:18 +00:00
README.txt Make the text of this file a little more useful. 2004-09-02 22:49:27 +00:00
configure Recognize an IA64 when we see one 2005-03-17 20:56:22 +00:00
llvm.spec Updated for 1.3. 2004-08-16 15:17:40 +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.