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James Molloy c4f70d437d Add a function computeRegisterLiveness() to MachineBasicBlock. This uses analyzePhysReg() from r163694 to heuristically try and determine the liveness state of a physical register upon arrival at a particular instruction in a block.

The search for liveness is clipped to a specific number of instructions around the target MachineInstr, in order to avoid degenerating into an O(N^2) algorithm. It tries to use various clues about how instructions around (both before and after) a given MachineInstr use that register, to determine its state at the MachineInstr.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163695 91177308-0d34-0410-b5e6-96231b3b80d8

2012-09-12 10:18:23 +00:00

autoconf

Temporarily revert this to bring back the bots.

2012-08-28 01:17:46 +00:00

bindings

add support for ocaml 3.12

2012-09-02 14:42:56 +00:00

cmake

CMake toolchain file for Android NDK.

2012-09-11 11:54:27 +00:00

docs

Add a new optimization pass: Stack Coloring, that merges disjoint static allocations (allocas). Allocas are known to be

2012-09-06 09:17:37 +00:00

examples

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include

Add a function computeRegisterLiveness() to MachineBasicBlock. This uses analyzePhysReg() from r163694 to heuristically try and determine the liveness state of a physical register upon arrival at a particular instruction in a block.

2012-09-12 10:18:23 +00:00

lib

2012-09-12 10:18:23 +00:00

projects

Enable recursing into the compiler-rt projcet with the CMake build.

2012-08-29 00:38:02 +00:00

runtime

libprofile: [CMake] Let libprofile_rt be not loadable_module but shared library. Autoconf's one does so.

2012-08-29 00:37:51 +00:00

test

Stack coloring: remove lifetime intervals which contain escaped allocas.

2012-09-12 04:57:37 +00:00

tools

Don't include stdint.h directly.

2012-09-06 22:55:11 +00:00

unittests

ADTTests: [CMake] Exclude DenseMapTest.cpp and SmallVectorTest.cpp on MSVC9 due to its bug.

2012-08-30 16:22:32 +00:00

utils

Improve tblgen code cleanliness: create an unknown_class, from which the unknown def inherits. Make tblgen check for that class, rather than checking for the def itself.

2012-09-11 23:47:08 +00:00

.gitignore

Ignore the documentation-suggested location for compile_commands.json

2012-08-21 19:23:30 +00:00

CMakeLists.txt

enable cross compilation with cmake

2012-08-20 19:56:52 +00:00

CODE_OWNERS.TXT

Add the list of code owners to the top level of the LLVM source tree to

2012-07-26 08:04:09 +00:00

configure

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2012-08-28 01:17:46 +00:00

CREDITS.TXT

Add IRC handle.

2012-09-11 07:50:40 +00:00

LICENSE.TXT

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llvm.spec.in

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LLVMBuild.txt

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Makefile

darwin/cross-build: Unset SDKROOT when building BuildTools.

2012-08-22 22:01:01 +00:00

Makefile.common

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Makefile.config.in

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2012-08-28 01:17:46 +00:00

Makefile.rules

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2012-08-28 01:17:46 +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.

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