llvm-6502

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Benjamin Kramer 6cf07a80ff Teach SCEV's icmp simplification logic that a-b == 0 is equivalent to a == b.

This also required making recursive simplifications until
nothing changes or a hard limit (currently 3) is hit.

With the simplification in place indvars can canonicalize
loops of the form
for (unsigned i = 0; i < a-b; ++i)
into
for (unsigned i = 0; i != a-b; ++i)
which used to fail because SCEV created a weird umax expr
for the backedge taken count.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157701 91177308-0d34-0410-b5e6-96231b3b80d8

2012-05-30 18:32:23 +00:00

autoconf

Remove the PTX back-end and all of its artifacts (triple, etc.)

2012-05-24 21:38:21 +00:00

bindings

[python] Add negative MemoryBuffer testcase

2012-03-22 11:23:52 +00:00

cmake

Fix how CMake appends -m32 to linker command-lines

2012-05-23 18:42:02 +00:00

docs

typo fix

2012-05-30 00:40:23 +00:00

examples

Remove llvm-ld and llvm-stub (which is only used by llvm-ld).

2012-04-19 19:27:54 +00:00

include

Teach SCEV's icmp simplification logic that a-b == 0 is equivalent to a == b.

2012-05-30 18:32:23 +00:00

lib

Teach SCEV's icmp simplification logic that a-b == 0 is equivalent to a == b.

2012-05-30 18:32:23 +00:00

projects

Remove the PTX back-end and all of its artifacts (triple, etc.)

2012-05-24 21:38:21 +00:00

runtime

Small code cleanup. No functionality change.

2012-05-25 21:57:59 +00:00

test

Teach SCEV's icmp simplification logic that a-b == 0 is equivalent to a == b.

2012-05-30 18:32:23 +00:00

tools

Add an insertPass API to TargetPassConfig. <rdar://problem/11498613>

2012-05-30 00:17:12 +00:00

unittests

Remove the PTX back-end and all of its artifacts (triple, etc.)

2012-05-24 21:38:21 +00:00

utils

Remove little semicolon that caused a lot of warnings.

2012-05-30 09:13:49 +00:00

.gitignore

Add tools/lld to .gitignore.

2012-05-02 21:25:32 +00:00

CMakeLists.txt

Remove the PTX back-end and all of its artifacts (triple, etc.)

2012-05-24 21:38:21 +00:00

configure

Remove the PTX back-end and all of its artifacts (triple, etc.)

2012-05-24 21:38:21 +00:00

CREDITS.TXT

Update the documentation of CellSPU, in case it gets removed in 3.1.

2012-04-29 20:00:55 +00:00

LICENSE.TXT

Add YAML parser to Support.

2012-04-03 23:09:22 +00:00

llvm.spec.in

…

LLVMBuild.txt

LLVMBuild: Introduce a common section which currently has a list of the

2011-12-12 22:45:54 +00:00

Makefile

Do not install llvm-config-host for cross-builds of clang. rdar://11317847

2012-05-09 00:07:02 +00:00

Makefile.common

[docs] Remove unsupported references to ExtraSource variable.

2012-05-15 21:32:27 +00:00

Makefile.config.in

- Added ExecutionEngine/MCJIT tests

2012-05-17 21:07:47 +00:00

Makefile.rules

llvm-ld does not exist anymore, use llvm-link instead.

2012-05-23 20:34:19 +00:00

README.txt

Testing commit access

2012-05-24 14:20:13 +00:00

README.txt

Low Level Virtual Machine (LLVM)
================================

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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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