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Chad Rosier ad2ee03384 Remove the X86 Maximal Stack Alignment Check pass as it is no longer necessary. 
This pass was conservative in that it always reserved the FP to enable dynamic
stack realignment, which allowed the RA to use aligned spills for vector
registers.  This happens even when spills were not necessary.  The RA has 
since been improved to use unaligned spills when necessary.

The new behavior is to realign the stack if the frame pointer was already
reserved for some other reason, but don't reserve the frame pointer just
because a function contains vector virtual registers.

Part of rdar://12719844

llvm-svn: 168627
2012-11-26 22:55:05 +00:00
autoconf Fix a pasto. 2012-11-19 19:31:02 +00:00
bindings [python] fix get_library() 2012-11-20 22:27:55 +00:00
cmake Removing SUPPORTS_COVERED_SWITCH_DEFAULT_FLAG 2012-11-26 02:02:08 +00:00
docs Correct copy-pasto where we're talking about function attributes and not parameter attributes. 2012-11-26 22:04:13 +00:00
examples Fix gcc's -Wunused-but-set-variable warnings. 2012-11-26 00:56:44 +00:00
include Decouple MCInstBuilder from the streamer per Eli's request. 2012-11-26 18:05:52 +00:00
lib Remove the X86 Maximal Stack Alignment Check pass as it is no longer necessary. 2012-11-26 22:55:05 +00:00
projects Few more small CellSPU removals. 2012-11-14 22:13:56 +00:00
runtime libprofile/CommonProfiling.c: Fix according to C89. 2012-11-02 01:32:02 +00:00
test Remove the X86 Maximal Stack Alignment Check pass as it is no longer necessary. 2012-11-26 22:55:05 +00:00
tools libLTO: Add a utility method to initialize the disassemblers. 2012-11-24 16:59:10 +00:00
unittests Allow using MemoryBuffers with yaml::Stream directly. 2012-11-19 23:21:47 +00:00
utils Generalize matching of add_executable to add_XXX_executable. 2012-11-22 07:48:52 +00:00
.gitignore Add extra vim swap file pattern 2012-10-09 23:48:34 +00:00
CMakeLists.txt Kick off 3.3 cycle for LLVM trunk. 2012-11-17 22:01:08 +00:00
CODE_OWNERS.TXT Added me as the owner of the Sparc backend 2012-11-22 22:14:48 +00:00
configure Fix a pasto. 2012-11-19 19:31:02 +00:00
CREDITS.TXT Finally add myself to the credits. 2012-11-16 18:44:36 +00:00
LICENSE.TXT Few more small CellSPU removals. 2012-11-14 22:13:56 +00:00
llvm.spec.in Tidy up. s/Low Level Virtual Machine/LLVM/. 2012-01-25 22:00:23 +00:00
LLVMBuild.txt LLVMBuild: Introduce a common section which currently has a list of the 2011-12-12 22:45:54 +00:00
Makefile [c-index-test] When building with BUILD_CLANG_ONLY=YES, include c-index-test. 2012-11-06 19:54:46 +00:00
Makefile.common [docs] Remove unsupported references to ExtraSource variable. 2012-05-15 21:32:27 +00:00
Makefile.config.in Re-enable support for --program-prefix. 2012-10-01 18:40:32 +00:00
Makefile.rules Use MACOSX_DEPLOYMENT_TARGET when it is set. <rdar://problem/12433905> 2012-10-12 21:48:14 +00:00
README.txt test commit 2012-07-11 17:34:12 +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.