Expose the low level DCE mechanism to external users
Refactor code to support it

llvm-svn: 1083

Simplify DCE code a lot

llvm-svn: 1079

Convert optimizations to the pass infrastructure

llvm-svn: 873

Commit more code over to new cast style

llvm-svn: 697

Pull predecessor and successor iterators out of the CFG*.h files, and plop them into
the BasicBlock class where they should be. pred_begin/pred_end become methods on BasicBlock,
and the cfg namespac

Pull predecessor and successor iterators out of the CFG*.h files, and plop them into
the BasicBlock class where they should be. pred_begin/pred_end become methods on BasicBlock,
and the cfg namespace isn't used anymore.

llvm-svn: 691

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* Eliminate constant pool dependancies:
* Eliminate DoRemoveUnusedConstants

llvm-svn: 453

Enable the elimination of method prototypes that are not referenced

llvm-svn: 325

Moved inline/llvm/Tools/* to include/llvm/Support/*

llvm-svn: 279

Remove dependency on the structure of ValueHolder.

llvm-svn: 182

Don't clean out the type plane of the constant pool... this is a hack. FIXME

llvm-svn: 172

Changed the fundemental architecture of Operands for Instructions. Now
Operands are maintained as a vector<Use> in the User class, and operator
iterators are provided as before. Getting an operand

Changed the fundemental architecture of Operands for Instructions. Now
Operands are maintained as a vector<Use> in the User class, and operator
iterators are provided as before. Getting an operand no longer requires
a virtual function call.

WARNING: getOperand(x) where x >= getNumOperands() will now assert instead
of returning null!

llvm-svn: 149

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Optimizations got their own header files
Optimizations now live in the 'opt' namespace
include/llvm/Opt was renamed include/llvm/Optimizations

llvm-svn: 113

* Factored RemovePredecessorFromBlock into BasicBlock::removePredecessor
* Avoid messing around with this case:
br label %A
%A: br label %A
* Enable optimizations that are correct now.

llvm-svn:

* Factored RemovePredecessorFromBlock into BasicBlock::removePredecessor
* Avoid messing around with this case:
br label %A
%A: br label %A
* Enable optimizations that are correct now.

llvm-svn: 102

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Miscellaneous cleanups:
* Convert post to pre-increment for for loops
* Use generic programming more
* Use new Value::cast* instructions
* Use new Module, Method, & BasicBlock forwarding meth

Miscellaneous cleanups:
* Convert post to pre-increment for for loops
* Use generic programming more
* Use new Value::cast* instructions
* Use new Module, Method, & BasicBlock forwarding methods
* Use new facilities in STLExtras.h
* Use new Instruction::isPHINode() method

llvm-svn: 96

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Get rid of a silly printout that isn't needed right now

llvm-svn: 45

Updates to work with new cfg namespace

llvm-svn: 29

Updates to support
* Changes in PHI node structure

llvm-svn: 25

Updated to work with new CFG.h file.

llvm-svn: 15

Significant rework. DCE is still not done (see #ifdef'd out parts)
but at least the stuff that is checked in, now works.

llvm-svn: 10

Initial revision

llvm-svn: 2