llvm-6502

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Andrew Trick 92e946630d Introducing a new method of tracking register pressure. We can't

precisely track pressure on a selection DAG, but we can at least keep
it balanced. This design accounts for various interesting aspects of
selection DAGS: register and subregister copies, glued nodes, dead
nodes, unused registers, etc.

Added SUnit::NumRegDefsLeft and ScheduleDAGSDNodes::RegDefIter.

Note: I disabled PrescheduleNodesWithMultipleUses when register
pressure is enabled, based on no evidence other than I don't think it
makes sense to have both enabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124853 91177308-0d34-0410-b5e6-96231b3b80d8

2011-02-04 03:18:17 +00:00

autoconf

configure: Add checks for <sys/uio.h> and writev().

2011-02-03 02:39:58 +00:00

bindings

Fix OCaml bindings crash, PR8847.

2010-12-23 15:49:26 +00:00

cmake

Changes for building Clang and others using LLVM as an external

2011-02-03 20:57:36 +00:00

docs

Update docs to match reality.

2011-02-03 00:22:17 +00:00

examples

Do not re-test for the existence of pthread.h.

2010-12-23 21:27:22 +00:00

include

Introducing a new method of tracking register pressure. We can't

2011-02-04 03:18:17 +00:00

lib

Introducing a new method of tracking register pressure. We can't

2011-02-04 03:18:17 +00:00

projects

Regen configure

2010-12-12 21:42:01 +00:00

runtime

Implementation of path profiling.

2011-01-29 01:09:53 +00:00

test

DebugLoc associated with a machine instruction is used to emit location entries. DebugLoc associated with a DBG_VALUE is used to identify lexical scope of the variable. After register allocation, while inserting DBG_VALUE remember original debug location for the first instruction and reuse it, otherwise dwarf writer may be mislead in identifying the variable's scope.

2011-02-04 01:43:25 +00:00

tools

Don't tell the linker about available_externally definitions. If we do, it will

2011-02-01 00:41:51 +00:00

unittests

Part of this test is invariant inside the inner loop - move it outside

2011-02-03 08:14:04 +00:00

utils

Tidy up a bit.

2011-02-03 23:26:36 +00:00

website

…

.gitignore

Cleanup and document .gitignore.

2010-12-17 17:22:50 +00:00

build-for-llvm-top.sh

…

CMakeLists.txt

Moved to Clang's source tree its configuration options and associated

2011-02-03 22:47:59 +00:00

configure

Regenerate configure.

2011-02-03 02:40:02 +00:00

CREDITS.TXT

Another git svn dcommit test. This time let's hope it doesn't kill my repo.

2010-12-10 14:45:10 +00:00

LICENSE.TXT

2010 is upon us.

2010-01-09 18:40:31 +00:00

llvm.spec.in

…

Makefile

Merge System into Support.

2010-11-29 18:16:10 +00:00

Makefile.common

…

Makefile.config.in

autoconf: Add --disable-embed-stdcxx to suppress linking libstdc++.a into llvm.dll with --enable-shared on Cygming.

2010-12-29 03:59:14 +00:00

Makefile.rules

Factor the computation of the basename of libraries. This avoids renaming

2011-02-03 22:01:15 +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.

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