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Andrew Trick 06988bcf6a Made SCEV's UDiv expressions more canonical. When dividing a

recurrence, the initial values low bits can sometimes be ignored.

To take advantage of this, added FoldIVUser to IndVarSimplify to fold
an IV operand into a udiv/lshr if the operator doesn't affect the
result.

-indvars -disable-iv-rewrite now transforms

i = phi i4
i1 = i0 + 1
idx = i1 >> (2 or more)
i4 = i + 4

into

i = phi i4
idx = i0 >> ...
i4 = i + 4


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137013 91177308-0d34-0410-b5e6-96231b3b80d8

2011-08-06 07:00:37 +00:00

autoconf

Update the default bug report url in autoconf.

2011-08-02 20:53:43 +00:00

bindings

Remove InvalidateStructLayoutInfo from the ocaml bindings.

2011-07-31 01:12:39 +00:00

cmake

Remove yet another buried and hidden implicit dependency: every single

2011-07-30 08:47:05 +00:00

docs

Reword.

2011-08-04 10:43:43 +00:00

examples

Convert ConstantExpr::getGetElementPtr and

2011-07-21 14:31:17 +00:00

include

Temporarily revert r135528 which distinguishes between two copies of one

2011-08-05 00:51:31 +00:00

lib

Made SCEV's UDiv expressions more canonical. When dividing a

2011-08-06 07:00:37 +00:00

projects

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

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

runtime

Use version 402 for the GCDA files when compiling for Apple.

2011-07-28 18:12:20 +00:00

test

Made SCEV's UDiv expressions more canonical. When dividing a

2011-08-06 07:00:37 +00:00

tools

Remove the LowerSetJmp pass. It wasn't used effectively by any of the targets.

2011-08-03 22:18:20 +00:00

unittests

Avoid undefined behaviour if somehow NUM_GRAPHS equals 2^32 (or

2011-07-29 07:50:02 +00:00

utils

LDCL_POST and STCL_POST need one's-complement offsets, rather than two's complement offsets. Add an appropriate immediate type for them.

2011-08-04 18:24:14 +00:00

website

Prepare for "core" website.

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

.gitignore

Ignore Vim swap files

2011-05-31 21:54:28 +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

Added the infrastructute necessary for MIPS JIT support. Patch by Vladimir

2011-07-21 16:28:51 +00:00

configure

Combine all MC initialization routines into one. e.g. InitializeX86MCAsmInfo,

2011-07-22 21:58:54 +00:00

CREDITS.TXT

I am the code owner for Clang's IR generation; this has been true

2011-08-02 01:38:19 +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

Install libprofile_rt.dylib where it's more available for gcov support.

2011-06-10 21:47:14 +00:00

Makefile.common

Removed trailing whitespace from Makefiles.

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

Makefile.config.in

build/configure: Add support for --with-extra-ld-options flag (to provide extra

2011-06-16 22:30:38 +00:00

Makefile.rules

TableGen'erated MC lowering for simple pseudo-instructions.

2011-07-08 17:36:35 +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

reverting test commit

2011-05-12 17:38:08 +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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