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Duncan Sands ddce2cb415 When expanding unaligned loads and stores do not make 
use of illegal integer types: instead, use a stack slot
and copying via integer registers.  The existing code
is still used if the bitconvert is to a legal integer
type.

This fires on the PPC testcases 2007-09-08-unaligned.ll
and vec_misaligned.ll.  It looks like equivalent code
is generated with these changes, just permuted, but
it's hard to tell.

With these changes, nothing in LegalizeDAG produces
illegal integer types anymore.  This is a prerequisite
for removing the LegalizeDAG type legalization code.

While there I noticed that the existing code doesn't
handle trunc store of f64 to f32: it turns this into
an i64 store, which represents a 4 byte stack smash.
I added a FIXME about this.  Hopefully someone more
motivated than I am will take care of it.

llvm-svn: 60964
2008-12-12 21:47:02 +00:00
autoconf Revert accidental last patch 2008-11-20 04:28:08 +00:00
bindings PR2731: C and Ocaml bindings for setTailCall and isTailCall. 2008-08-30 16:34:54 +00:00
cmake Fix a link issue I ran into trying compiling LLVM on MinGW with CMake. 2008-11-30 02:42:05 +00:00
docs fix some incorrect links. 2008-12-12 04:20:01 +00:00
examples reapply Sanjiv's patch to genericize memcpy/memset/memmove to take an 2008-11-21 16:42:48 +00:00
include fix grammar, thanks Duncan! 2008-12-11 11:44:49 +00:00
lib When expanding unaligned loads and stores do not make 2008-12-12 21:47:02 +00:00
projects Add "sample" documentation to sample project. 2008-09-15 05:31:29 +00:00
runtime Fixing the stack walker. 2008-01-24 05:16:36 +00:00
test - Use patterns instead of creating completely new instruction matching patterns, 2008-12-12 21:15:41 +00:00
tools Fix W3C validator errors. 2008-12-11 23:43:14 +00:00
utils Put Edge* classes into anonymous namespace. 2008-12-11 10:34:18 +00:00
website Prepare for "core" website. 2007-08-03 05:43:35 +00:00
win32 Add files to VC++ projects. 2008-11-13 21:18:54 +00:00
Xcode Remove Stacker.html from Xcode project. 2008-10-14 23:23:59 +00:00
build-for-llvm-top.sh Allow the configure options to be set according to the llvm-top options. 2007-08-31 19:53:42 +00:00
CMakeLists.txt CMake: Option for building with -fPIC. 2008-11-20 19:13:51 +00:00
configure Add XCore backend. 2008-11-07 10:59:00 +00:00
CREDITS.TXT Keep CREDITS.TXT sorted by name. 2008-11-07 12:44:36 +00:00
LICENSE.TXT llvmc doesn't exist anymore, and llvmc2 doesn't have a special license file. 2008-06-20 20:05:57 +00:00
llvm.spec.in * llvm.spec.in: update blurb 2007-07-13 09:48:29 +00:00
Makefile Proper way of doing llvm canadian-cross compilation. 2008-11-10 07:33:13 +00:00
Makefile.common remove attributions from the rest of the llvm makefiles. 2007-12-29 20:11:13 +00:00
Makefile.config.in Use spaces rather than tab. 2008-10-22 09:42:14 +00:00
Makefile.rules Fix PR3117: not all nodes being legalized. The 2008-12-09 21:33:20 +00:00
ModuleInfo.txt Update to include clean and install commands. 2007-07-20 20:54:41 +00:00
README.txt Remove extra lines 2008-07-28 20:50:25 +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.