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da65822cfc
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Dan Gohman da65822cfc Make tail merging handle blocks with repeated predecessors correctly, and 
remove RemoveDuplicateSuccessor, as it is no longer necessary, and because
it breaks assumptions made in
MachineBasicBlock::isOnlyReachableByFallthrough.

Convert test/CodeGen/X86/omit-label.ll to FileCheck and add a testcase
for PR4732.

test/CodeGen/Thumb2/thumb2-ifcvt2.ll sees a diff with this commit due to
it being bugpoint-reduced to the point where it doesn't matter what the
condition for the branch is.

Add some more interesting code to
test/CodeGen/X86/2009-08-06-branchfolder-crash.ll, which is the testcase
that originally motivated the RemoveDuplicateSuccessor code, to help
verify that the original problem isn't being re-broken.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79338 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-18 15:18:18 +00:00
autoconf The attached patches attempt to fix cross builds. For example, if you 2009-08-18 00:40:33 +00:00
bindings LLVM Ada language bindings. Credit to Rod Kay and the AuroraUX team. 2009-08-18 00:24:36 +00:00
cmake CMake: Updated library dependencies. 2009-08-17 04:23:50 +00:00
docs #include <cstdlib> in the code listing for strtod. 2009-08-17 21:07:37 +00:00
examples CMake: LLVMConfig assigns LLVMX86 to the `native' component 2009-08-17 01:41:46 +00:00
include Fixed spelling of MSP430. 2009-08-18 13:50:28 +00:00
lib Make tail merging handle blocks with repeated predecessors correctly, and 2009-08-18 15:18:18 +00:00
projects remove dead makefile flags. 2009-06-24 05:29:56 +00:00
runtime Drop toy GC runtime. 2009-03-02 03:46:48 +00:00
test Make tail merging handle blocks with repeated predecessors correctly, and 2009-08-18 15:18:18 +00:00
tools Include valgrind in the steps to reproduce if valgrind was used to reproduce 2009-08-18 06:08:01 +00:00
unittests Wrap unit test death tests in GTEST_HAS_DEATH_TEST 2009-08-17 00:55:33 +00:00
utils Even more Apple style build horribleness. 2009-08-18 00:56:17 +00:00
website Prepare for "core" website. 2007-08-03 05:43:35 +00:00
win32 Revert the ConstantInt constructors back to their 2.5 forms where possible, thanks to contexts-on-types. More to come. 2009-07-24 23:12:02 +00:00
Xcode Remove the IA-64 backend. 2009-07-24 00:30:09 +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: Removed traces of obsolete variable LLVM_PLO_FLAGS. 2009-08-16 21:01:16 +00:00
configure Regenerate 2009-08-18 00:40:51 +00:00
CREDITS.TXT LLVM Ada language bindings. Credit to Rod Kay and the AuroraUX team. 2009-08-18 00:24:36 +00:00
LICENSE.TXT one fewer license, yay. :) 2009-08-01 22:54:39 +00:00
llvm.spec.in * llvm.spec.in: update blurb 2007-07-13 09:48:29 +00:00
Makefile Introduce new headers whose inclusion forces linking and 2009-06-16 20:12:29 +00:00
Makefile.common Removed trailing whitespace from Makefiles. 2009-01-09 16:44:42 +00:00
Makefile.config.in The attached patches attempt to fix cross builds. For example, if you 2009-08-18 00:40:33 +00:00
Makefile.rules Separate out Makefile defines so that we can keep the llvm 2009-08-18 03:23:40 +00:00
ModuleInfo.txt Patch to build llvm with srcdir != objdir from 2009-01-23 08:42:38 +00:00
README.txt README.txt: test commit w/blank line appended 2009-03-23 21:00:45 +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.