Chris Lattner 4241e4da85 Implement shift-simplify.ll:test[45]. ...

First teach instcombine that sign bit checks only demand the 
sign bit, this allows simplify demanded bits to hack on 
expressions better.

Second, teach instcombine that ashr is useless if only the
sign bit is demanded.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39880 91177308-0d34-0410-b5e6-96231b3b80d8

2007-07-15 20:54:51 +00:00

..

Analysis

Let MemoryDependenceAnalysis take care of updating AliasAnalysis.

2007-07-12 00:06:21 +00:00

Archive

finishing touches of bytecode -> bitcode changes. also unbreak Windows

2007-07-06 20:28:40 +00:00

AsmParser

Add the byval attribute

2007-07-06 10:57:03 +00:00

Bitcode

remove a dead case

2007-07-05 17:18:32 +00:00

CodeGen

Fix the build. Patch from Holger Schurig.

2007-07-14 15:11:14 +00:00

Debugger

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ExecutionEngine

fix typos

2007-07-09 12:00:59 +00:00

Linker

eliminate residual cruft related to recognizing bytecode

2007-07-06 13:38:17 +00:00

Support

Clarify the language. Pointed out by Duncan Sands.

2007-07-14 17:41:03 +00:00

System

finishing touches of bytecode -> bitcode changes. also unbreak Windows

2007-07-06 20:28:40 +00:00

Target

Long live the exception handling!

2007-07-14 14:06:15 +00:00

Transforms

Implement shift-simplify.ll:test[45].

2007-07-15 20:54:51 +00:00

VMCore

check for correct usage of the byval attribute

2007-07-10 19:28:12 +00:00

Makefile

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