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Jakob Stoklund Olesen b7994fedcb Prevent potential NOREX bug.

A GR8_NOREX virtual register is created when extrating a sub_8bit_hi
sub-register:

  %vreg2<def> = COPY %vreg1:sub_8bit_hi; GR8_NOREX:%vreg2 %GR64_ABCD:%vreg1
  TEST8ri_NOREX %vreg2, 1, %EFLAGS<imp-def>; GR8_NOREX:%vreg2

If such a live range is ever split, its register class must not be
inflated to GR8.  The sub-register copy can only target GR8_NOREX.

I dont have a test case for this theoretical bug.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141500 91177308-0d34-0410-b5e6-96231b3b80d8

2011-10-08 20:20:03 +00:00

autoconf

We're no longer going to bother supporting platforms that don't

2011-09-23 00:53:10 +00:00

bindings

ocaml/C bindings: type->isSized()

2011-10-06 12:13:28 +00:00

cmake

Build system infrastructure for multiple tblgens.

2011-10-06 01:51:51 +00:00

docs

Remove Multidefs

2011-10-07 18:25:05 +00:00

examples

Changed comments on foreign C++ exceptions (generated with type info 7),

2011-09-28 10:53:56 +00:00

include

PathV2: Add simplified version of exists that returns false on error.

2011-10-08 00:18:12 +00:00

lib

Prevent potential NOREX bug.

2011-10-08 20:20:03 +00:00

projects

Fix a ton of comment typos found by codespell. Patch by

2011-04-15 05:18:47 +00:00

runtime

Include direct.h for _mkdir on mingw32 too.

2011-10-08 15:49:19 +00:00

test

Add TEST8ri_NOREX pseudo to constrain sub_8bit_hi copies.

2011-10-08 18:28:28 +00:00

tools

llvm-objdump: Add relocation and archive support.

2011-10-08 00:18:30 +00:00

unittests

Fix APInt::operator*= so that it computes the correct result for large integers where there is unsigned overflow. Fix APFloat::toString so that it doesn't depend on the incorrect behavior in common cases (and computes the correct result in some rare cases). Fixes PR11086.

2011-10-07 23:40:49 +00:00

utils

ARM NEON assembly parsing and encoding for VDUP(scalar).

2011-10-07 23:56:00 +00:00

.gitignore

Revert change made in .gitignore.

2011-09-24 01:37:58 +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

Build system infrastructure for multiple tblgens.

2011-10-06 01:51:51 +00:00

configure

We're no longer going to bother supporting platforms that don't

2011-09-23 00:53:10 +00:00

CREDITS.TXT

Claimed.

2011-09-19 05:34:10 +00:00

LICENSE.TXT

Happy new year.

2011-06-12 15:26:54 +00:00

llvm.spec.in

* llvm.spec.in: update blurb

2007-07-13 09:48:29 +00:00

Makefile

Add clang-tblgen to OPTIONAL_DIRS when building native tools for the

2011-10-08 00:27:38 +00:00

Makefile.common

Removed trailing whitespace from Makefiles.

2009-01-09 16:44:42 +00:00

Makefile.config.in

Remove the rest of the compiler checking from the top level configure

2011-09-21 00:53:42 +00:00

Makefile.rules

Build system infrastructure for multiple tblgens.

2011-10-06 01:51:51 +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

Test commit

2011-09-21 03:34:31 +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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Assembly 13.2%

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