llvm-6502

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Evan Cheng 4d09efd7b8 Speculatively execute a block when the the block is the then part of a triangle shape and it contains a single, side effect free, cheap instruction. The branch is eliminated by adding a select instruction. i.e.

Turn                                                                                                                                                                                                       
BB:                                                                                                                                                                                                        
    %t1 = icmp                                                                                                                                                                                             
    br i1 %t1, label %BB1, label %BB2                                                                                                                                                                      
BB1:                                                                                                                                                                                                       
    %t3 = add %t2, c                                                                                                                                                                                       
    br label BB2                                                                                                                                                                                           
BB2:                                                                                                                                                                                                       
=>                                                                                                                                                                                                         
BB:                                                                                                                                                                                                        
    %t1 = icmp                                                                                                                                                                                             
    %t4 = add %t2, c                                                                                                                                                                                       
    %t3 = select i1 %t1, %t2, %t3


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52073 91177308-0d34-0410-b5e6-96231b3b80d8

2008-06-07 08:52:29 +00:00

autoconf

For PR1338: rename include/llvm/ADT/ilist and friends to end with ".h"

2008-05-29 17:41:17 +00:00

bindings

Remove a duplicative binding. Patch by Mahadevan R.

2008-05-19 05:47:10 +00:00

docs

Include loop deletion and the ADCE rewrite in the release notes.

2008-06-06 16:23:15 +00:00

examples

API change for {BinaryOperator|CmpInst|CastInst}::create*() --> Create. Legacy interfaces will be in place for some time. (Merge from use-diet branch.)

2008-05-16 19:29:10 +00:00

include

get rid of ExtractValueInst::init's Value argument, it is already passed to the UnaryInstruction ctor

2008-06-06 21:06:32 +00:00

lib

Speculatively execute a block when the the block is the then part of a triangle shape and it contains a single, side effect free, cheap instruction. The branch is eliminated by adding a select instruction. i.e.

2008-06-07 08:52:29 +00:00

projects

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runtime

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test

2008-06-07 08:52:29 +00:00

tools

Make all help strings start in upper case.

2008-05-30 21:14:10 +00:00

utils

Wrap MVT::ValueType in a struct to get type safety

2008-06-06 12:08:01 +00:00

website

…

win32

update vc configure project for renaming of

2008-06-02 16:37:36 +00:00

Xcode

Merge LLVMBuilder and FoldingBuilder, calling

2008-04-13 06:22:09 +00:00

build-for-llvm-top.sh

…

configure

Regenerate

2008-05-29 17:41:34 +00:00

CREDITS.TXT

merge of use-diet branch to trunk

2008-05-10 08:32:32 +00:00

LICENSE.TXT

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llvm.spec.in

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Makefile

For PR1338: rename include/llvm/ADT/ilist and friends to end with ".h"

2008-05-29 17:41:17 +00:00

Makefile.common

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Makefile.config.in

Reverting r48974. See PR2183 for details.

2008-03-31 16:46:23 +00:00

Makefile.rules

Warn of potential violations of strict aliasing rules.

2008-06-05 23:00:08 +00:00

ModuleInfo.txt

…

README.txt

…

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.

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