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c0362d5c6e
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Duncan Sands c0362d5c6e Boost the power of phi node constant folding slightly: if all 
operands are the phi node itself or undef, then return undef.
This logic already existed at a higher level so in practice it
shouldn't make the slightest difference.  Note that this code
could be replaced by a call to PN->hasConstantValue().  However
since we bail out the moment we see a non-constant operand, it
is more efficient to have a specialized version of that logic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119041 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-14 12:53:18 +00:00
autoconf Add --enable-docs. Patch by NAKAMURA Takumi. 2010-11-12 19:24:06 +00:00
bindings Try to fix ocaml bindings. 2010-10-08 00:36:21 +00:00
cmake 1. Finishing MBlaze MC asm parser test cases 2010-11-12 23:30:17 +00:00
docs describe the preferred approach to silencing 'unused variable warnings' due to asserts. 2010-11-12 00:19:41 +00:00
examples Build with RTTI and exceptions disabled. Only in GCC for now. 2010-10-17 02:26:16 +00:00
include Strip trailing whitespace. 2010-11-14 11:23:23 +00:00
lib Boost the power of phi node constant folding slightly: if all 2010-11-14 12:53:18 +00:00
projects projects: Don't try to build libcxx if one happens to have it checked out into 2010-09-09 15:49:32 +00:00
runtime Rename 'libprofile/exported_symbols.lst' to 'libprofile/libprofile.exports'. 2010-09-03 15:42:45 +00:00
test rename test. 2010-11-14 07:03:49 +00:00
tools Update CMake. 2010-11-13 00:28:32 +00:00
unittests unittests/CMakeLists.txt: Add missing VMCore/ValueMapTest.cpp to VMCoreTests. 2010-11-14 12:37:51 +00:00
utils FileCheck: Eliminate DOSish \r from input file. 2010-11-14 03:28:22 +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 the new option "LLVM_LIT_ARGS". 2010-11-11 04:09:35 +00:00
configure Add --enable-docs. Patch by NAKAMURA Takumi. 2010-11-12 19:24:06 +00:00
CREDITS.TXT Convert a bunch of uses of 'bytecode' into 'bitcode'. This 2010-09-29 20:09:55 +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 Add --enable-docs. Patch by NAKAMURA Takumi. 2010-11-12 19:24:06 +00:00
Makefile.common Removed trailing whitespace from Makefiles. 2009-01-09 16:44:42 +00:00
Makefile.config.in Add --enable-docs. Patch by NAKAMURA Takumi. 2010-11-12 19:24:06 +00:00
Makefile.rules Add rule to build MC'ized CodeEmitter. 2010-11-03 23:46:01 +00:00
ModuleInfo.txt Remove trailing space. This is just an excuse to poke the 2010-10-05 20:32:15 +00:00
README.txt Undoing test commit blank space. 2010-09-29 17:39:29 +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.