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Old fork of llvm-mirror, used on older RPCS3 builds
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Chris Lattner c7d7e0cbe0 make simplifycfg insert an llvm.trap before the 'unreachable' it introduces 
when it detects undefined behavior.  llvm.trap generally codegens into some
thing really small (e.g. a 2 byte ud2 instruction on x86) and debugging this
sort of thing is "nontrivial".  For example, we now compile:

void foo() { *(int*)0 = 42; }

into:

_foo:
	pushl	%ebp
	movl	%esp, %ebp
	ud2

Some may even claim that this is a security hole, though that seems dubious
to me.  This addresses rdar://7958343 - Optimizing away null dereference 
potentially allows arbitrary code execution


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103356 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-08 22:15:59 +00:00
autoconf Overhauled llvm/clang docs builds. Closes PR6613. 2010-05-06 23:45:43 +00:00
bindings add attributes and module level asm to the ocaml bindings, 2010-04-10 17:52:58 +00:00
cmake Tell Valgrind when we modify already-executed machine code so it knows 2010-03-15 04:57:55 +00:00
docs Document graphviz passes for the (post) dominator tree. 2010-05-07 09:33:18 +00:00
examples Remove the -enable-sjlj-eh option, which doesn't do anything. 2010-05-02 15:36:26 +00:00
include break coff symbol definition stuff out into proper MCStreamer callbacks, 2010-05-08 19:54:22 +00:00
lib make simplifycfg insert an llvm.trap before the 'unreachable' it introduces 2010-05-08 22:15:59 +00:00
projects Testing subversion commit access 2010-02-23 15:11:17 +00:00
runtime Delete a blank line. 2010-04-16 13:32:55 +00:00
test make simplifycfg insert an llvm.trap before the 'unreachable' it introduces 2010-05-08 22:15:59 +00:00
tools don't pass -f to llc, it doesn't have it anymore. Patch by Kevin Fan (PR7090) 2010-05-07 16:27:04 +00:00
unittests Update BitVectorTest.cpp to stay in sync with SmallBitVectorTest.cpp, 2010-04-30 20:50:28 +00:00
utils Eliminated the classification of control registers into %ecr_ 2010-05-06 20:59:00 +00:00
website Prepare for "core" website. 2007-08-03 05:43:35 +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 CMake: Add options for using static runtime on MSVC++ build. 2010-03-18 13:52:05 +00:00
configure Overhauled llvm/clang docs builds. Closes PR6613. 2010-05-06 23:45:43 +00:00
CREDITS.TXT Adding the MicroBlaze backend. 2010-02-23 19:15:24 +00:00
LICENSE.TXT 2010 is upon us. 2010-01-09 18:40:31 +00:00
llvm.spec.in * llvm.spec.in: update blurb 2007-07-13 09:48:29 +00:00
Makefile Update for CIndex rename. 2010-04-30 23:36:47 +00:00
Makefile.common Removed trailing whitespace from Makefiles. 2009-01-09 16:44:42 +00:00
Makefile.config.in Overhauled llvm/clang docs builds. Closes PR6613. 2010-05-06 23:45:43 +00:00
Makefile.rules Don't use 'else ifdef', I guess this is a 3.81 feature? 2010-04-30 22:00:17 +00:00
ModuleInfo.txt Patch to build llvm with srcdir != objdir from 2009-01-23 08:42:38 +00:00
README.txt Give packagers some advice about how to build LLVM so it's useful to 2010-02-26 00:54:42 +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.