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Evan Cheng c6c942b70f Add a bit IsUndef to MachineOperand. This indicates the def / use register operand is defined by an implicit_def. That means it can def / use any register and passes (e.g. register scavenger) can feel free to ignore them.

The register allocator, when it allocates a register to a virtual register defined by an implicit_def, can allocate any physical register without worrying about overlapping live ranges. It should mark all of operands of the said virtual register so later passes will do the right thing.

This is not the best solution. But it should be a lot less fragile to having the scavenger try to track what is defined by implicit_def.

llvm-svn: 74518

2009-06-30 08:49:04 +00:00

autoconf

Add a configure test for pthread_getspecific, and use it when building ThreadLocal.

2009-06-25 23:10:26 +00:00

bindings

Fix the Ocaml bindings for the ExecutionEngine: with the change to build

2009-06-24 21:09:18 +00:00

cmake

Fix CMake checks for pthread_getspecific and pthread_rwlock_init, from Xerxes Ranby

2009-06-29 16:25:22 +00:00

docs

got confused again

2009-06-30 06:27:54 +00:00

examples

make sure that JIT examples link in their appropriate target.

2009-06-17 16:48:44 +00:00

include

Add a bit IsUndef to MachineOperand. This indicates the def / use register operand is defined by an implicit_def. That means it can def / use any register and passes (e.g. register scavenger) can feel free to ignore them.

2009-06-30 08:49:04 +00:00

lib

2009-06-30 08:49:04 +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

2009-06-30 08:49:04 +00:00

tools

llvm-mc: Accept relocatable expressions for .org, assignments, .byte, etc.

2009-06-30 02:10:03 +00:00

unittests

Fix order of arguments to EXPECT_EQ

2009-06-29 19:57:24 +00:00

utils

Normalize SourceMgr messages.

2009-06-30 00:49:23 +00:00

website

Prepare for "core" website.

2007-08-03 05:43:35 +00:00

win32

Add a new codegen pass that normalizes dwarf exception handling

2009-05-22 20:36:31 +00:00

Xcode

Remove Stacker.html from Xcode project.

2008-10-14 23:23:59 +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

Start flushing out MCContext.

2009-06-23 22:01:43 +00:00

configure

Add a configure test for pthread_getspecific, and use it when building ThreadLocal.

2009-06-25 23:10:26 +00:00

CREDITS.TXT

Add myself to the list.

2009-06-23 17:03:23 +00:00

LICENSE.TXT

Now that we have atomics support properly detected by configure,

2009-05-19 00:08:29 +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

Add a --enable-profiling option to configure to build Debug+Profile and

2009-04-17 14:49:22 +00:00

Makefile.rules

Make dynamic LLVMC plugins work on Windows (finally!).

2009-06-29 03:09:15 +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.

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