General support utilities like a program options class and a StringMap
class for mapping strings to arbitrary things.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228 91177308-0d34-0410-b5e6-96231b3b80d8

CompileContext and options class for the llc compiler.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@227 91177308-0d34-0410-b5e6-96231b3b80d8

Header files for the target architecture description and for instruction
selection, and instances of these for the SPARC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226 91177308-0d34-0410-b5e6-96231b3b80d8

Added support for getting the dependence of an executable on its libs,
using a variable to get the list of libraries on the link path.
BUG: If the library in the same directory as the executable is missing,
BUG: gnumake will build the library but then fail when linking the executable
BUG: saying the library was not found.  Need a better hack.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225 91177308-0d34-0410-b5e6-96231b3b80d8

Add isIntegral() method to SignedIntType and UnsignedIntType.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224 91177308-0d34-0410-b5e6-96231b3b80d8

Provide simpler ways to extract the value of an integer constant.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223 91177308-0d34-0410-b5e6-96231b3b80d8

Compute and cache information about the storage size and layout
of structures.  This information is machine-dependent.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222 91177308-0d34-0410-b5e6-96231b3b80d8

Provide uniform access to the pointer operand and to the index
operands (if any) for different types of MemAccessInst's.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221 91177308-0d34-0410-b5e6-96231b3b80d8

Added a representation of the machine instructions generated
for a VM instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220 91177308-0d34-0410-b5e6-96231b3b80d8

Start of expression analysis support

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219 91177308-0d34-0410-b5e6-96231b3b80d8

Header to raise and lower representation

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218 91177308-0d34-0410-b5e6-96231b3b80d8

Add support to call LevelRaise

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217 91177308-0d34-0410-b5e6-96231b3b80d8

Update makefile for more accurate deps
Include support to print out Expression types

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216 91177308-0d34-0410-b5e6-96231b3b80d8

Implement ensureTypeAvailable
Implement ConstPoolInt class

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for constant propogation of multiplies

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214 91177308-0d34-0410-b5e6-96231b3b80d8

Factor out WriteAsOperand.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213 91177308-0d34-0410-b5e6-96231b3b80d8

Add a comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212 91177308-0d34-0410-b5e6-96231b3b80d8

Add multiply as a supported constant propogation operation
Include the LevelChange.h header in AllOpts.h

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211 91177308-0d34-0410-b5e6-96231b3b80d8

New function: WriteAsOperand.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210 91177308-0d34-0410-b5e6-96231b3b80d8

Add new base class ConstPoolInt, useful for dealing with integral constants

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209 91177308-0d34-0410-b5e6-96231b3b80d8

Add new method, ensureTypeAvailable

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208 91177308-0d34-0410-b5e6-96231b3b80d8

Change is*Type to be a casting convertion operator
Add a new isIntegral virtual function

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207 91177308-0d34-0410-b5e6-96231b3b80d8

Add an function to BinaryOperator to swap the two operands

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206 91177308-0d34-0410-b5e6-96231b3b80d8

Add short forms of the get*Type methods.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205 91177308-0d34-0410-b5e6-96231b3b80d8

Fix nasty typo

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204 91177308-0d34-0410-b5e6-96231b3b80d8

Fix clean target

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203 91177308-0d34-0410-b5e6-96231b3b80d8

Compile source files in alphabetical order

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202 91177308-0d34-0410-b5e6-96231b3b80d8

Fixed typo in comment

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201 91177308-0d34-0410-b5e6-96231b3b80d8

Support external methods

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200 91177308-0d34-0410-b5e6-96231b3b80d8

New test case for prototype support

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199 91177308-0d34-0410-b5e6-96231b3b80d8

Reordered link line for correct static linking.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198 91177308-0d34-0410-b5e6-96231b3b80d8

Changed default to building library archives instead of shared objects.
Added support for compiling *.c files.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197 91177308-0d34-0410-b5e6-96231b3b80d8

Implement forward/external declarations for methods.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196 91177308-0d34-0410-b5e6-96231b3b80d8

Implement forward/external declarations for methods.  Also, emit an error if a method
is defined more than once, instead of crashing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195 91177308-0d34-0410-b5e6-96231b3b80d8

Rename 'isMethodExternal' to 'isExternal'

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194 91177308-0d34-0410-b5e6-96231b3b80d8

Add notes on instruction selection pass

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase from GCC doing array operations

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for assembly printing fp constants

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191 91177308-0d34-0410-b5e6-96231b3b80d8

Add support to the bytecode writer to recognize floating point constants

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190 91177308-0d34-0410-b5e6-96231b3b80d8

Add support to the bytecode reader to recognize floating point constants

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189 91177308-0d34-0410-b5e6-96231b3b80d8

Add support to the parser to recognize floating point constants

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188 91177308-0d34-0410-b5e6-96231b3b80d8

Add a function to convert a double to a string

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187 91177308-0d34-0410-b5e6-96231b3b80d8

Add support to write and read a fixed amount of raw data

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186 91177308-0d34-0410-b5e6-96231b3b80d8

Add a note

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185 91177308-0d34-0410-b5e6-96231b3b80d8

* ValueHolder now takes 3 arguments
* Added a few methods to ConstantPool
* ConstPoolVal no longer derives from Value
* Method & Module multiply inherit from SymTabValue & Value now
* Added a GetElementPtrInst::isStructSelector() method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184 91177308-0d34-0410-b5e6-96231b3b80d8

Add knowledge about the struct form of the GetElementPtr instruction

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183 91177308-0d34-0410-b5e6-96231b3b80d8

Remove dependency on the structure of ValueHolder.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182 91177308-0d34-0410-b5e6-96231b3b80d8

* The parent of a constant pool is a symtabvalue, not a value.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181 91177308-0d34-0410-b5e6-96231b3b80d8

The parent of a constant pool is a symtabvalue, not a value.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180 91177308-0d34-0410-b5e6-96231b3b80d8

Added some comments, preparing to add global variables and method prototypes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179 91177308-0d34-0410-b5e6-96231b3b80d8

* The parent of a constant pool is a SymTabValue, not a value.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178 91177308-0d34-0410-b5e6-96231b3b80d8

Made the following changes:
* ValueHolder became a 3 argument template.  This allows for BasicBlock to
  use the value holder arg as a typesafe parent pointer.
* SymTabValue no longer inherits from Value
* Method does not inherit from only SymTabValue.  Now it inherits from both
  STV & Value.
* Module does not inherit from only SymTabValue.  Now it inherits from both
  STV & Value.
* Updated the SymTabValue.h file to reference SymTabValue instead of STDef
  in several places
* Added isArraySelector & isStructSelector to GetElementPtr instruction

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177 91177308-0d34-0410-b5e6-96231b3b80d8

Added more todo's.  Don't I ever accomplish anything?

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176 91177308-0d34-0410-b5e6-96231b3b80d8

Add DebugValue member.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175 91177308-0d34-0410-b5e6-96231b3b80d8

Made it not inline

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174 91177308-0d34-0410-b5e6-96231b3b80d8

Add DebugValue global function

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173 91177308-0d34-0410-b5e6-96231b3b80d8

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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172 91177308-0d34-0410-b5e6-96231b3b80d8

Make sure that types go in the constant pool if they are used.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171 91177308-0d34-0410-b5e6-96231b3b80d8

hasSideEffects should be marked virtual
stores and free's have sideeffects

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170 91177308-0d34-0410-b5e6-96231b3b80d8

Modify notes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169 91177308-0d34-0410-b5e6-96231b3b80d8

Fix stupid typo

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168 91177308-0d34-0410-b5e6-96231b3b80d8

Initial checkin of coding standards

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167 91177308-0d34-0410-b5e6-96231b3b80d8

Updated documentation for load, store & getelementptr

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166 91177308-0d34-0410-b5e6-96231b3b80d8

add coverage of newly implemented instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165 91177308-0d34-0410-b5e6-96231b3b80d8

Implementation of Store & GetElementPtr

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164 91177308-0d34-0410-b5e6-96231b3b80d8

Implement checking for new instructions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163 91177308-0d34-0410-b5e6-96231b3b80d8

Add note

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162 91177308-0d34-0410-b5e6-96231b3b80d8

Implemented shl, shl, & load instructions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161 91177308-0d34-0410-b5e6-96231b3b80d8

Moved Cast from being a Unary instruction to being an "Other" instruction

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160 91177308-0d34-0410-b5e6-96231b3b80d8

Use the CDG to mark branches alive on demand.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159 91177308-0d34-0410-b5e6-96231b3b80d8

Add a new "addOperand" method to User.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158 91177308-0d34-0410-b5e6-96231b3b80d8

Fixed post dominator frontiers!  Yaay!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157 91177308-0d34-0410-b5e6-96231b3b80d8

Neg instruction removed.  Cast instruction implemented.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156 91177308-0d34-0410-b5e6-96231b3b80d8

Neg instruction removed.  TODO item fulfilled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155 91177308-0d34-0410-b5e6-96231b3b80d8

Removing unnecesary file

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154 91177308-0d34-0410-b5e6-96231b3b80d8

Convert BinaryOperand and UnaryOperator to only take instruction types of
the appropriate enum

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153 91177308-0d34-0410-b5e6-96231b3b80d8

Broad superficial changes:
* Renamed getOpcode to getOpcodeName
* Changed getOpcodeName to return a const char * instead of string
* Added a getOpcode method to replace getInstType
* Changed code to use getOpcode instead of getInstType

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152 91177308-0d34-0410-b5e6-96231b3b80d8

Devirtualize User::dropAllReferences

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151 91177308-0d34-0410-b5e6-96231b3b80d8

Remove dtor's that simply call dropAllReferences

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150 91177308-0d34-0410-b5e6-96231b3b80d8

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!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149 91177308-0d34-0410-b5e6-96231b3b80d8

Changed memory reference instructions to store the result as the implicit
type of the instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148 91177308-0d34-0410-b5e6-96231b3b80d8

Fixed some error messages to be nicer

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147 91177308-0d34-0410-b5e6-96231b3b80d8

Add note about nuking Instruction::neg

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146 91177308-0d34-0410-b5e6-96231b3b80d8

Initial checkin

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145 91177308-0d34-0410-b5e6-96231b3b80d8

Add better support for post dominator information.
Print method name for each analysis.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144 91177308-0d34-0410-b5e6-96231b3b80d8

Add method to unify all exit nodes of a method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143 91177308-0d34-0410-b5e6-96231b3b80d8

Implement support for postdominators, except in dom frontiers

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142 91177308-0d34-0410-b5e6-96231b3b80d8

New file, includes method to merge exit nodes together

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141 91177308-0d34-0410-b5e6-96231b3b80d8

* Add a DominatorBase base class to maintain root of Dominator info
* Implement post dominator support

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140 91177308-0d34-0410-b5e6-96231b3b80d8

* Added comments
* Made iterators inherit from appropriate iterator base class
* Abstracted out graphs from depth first iterator
* Add "Inverse" traversal of CFG

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139 91177308-0d34-0410-b5e6-96231b3b80d8

Update to include right file

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138 91177308-0d34-0410-b5e6-96231b3b80d8

Initial checkin of analyze tool.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137 91177308-0d34-0410-b5e6-96231b3b80d8

Build new analyze tool

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136 91177308-0d34-0410-b5e6-96231b3b80d8

Added analyze to path for SetupOpt script

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135 91177308-0d34-0410-b5e6-96231b3b80d8

Add analyze tool to path for Setup script

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134 91177308-0d34-0410-b5e6-96231b3b80d8

IntervalPartition was changed to inherit from vector<Interval*> instead of
contain it so that it would have full iterator access without much work.

Writer includes code to print out IntervalPartition's now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133 91177308-0d34-0410-b5e6-96231b3b80d8

IntervalPartition was changed to inherit from vector<Interval*> instead of
contain it so that it would have full iterator access without much work.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132 91177308-0d34-0410-b5e6-96231b3b80d8

*** empty log message ***

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131 91177308-0d34-0410-b5e6-96231b3b80d8

Checkin of new Analysis result printing header

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130 91177308-0d34-0410-b5e6-96231b3b80d8

Code got moved from the lib/Assembly/Writer/IntervalWriter.cpp file to
here.  Updates to correct description n stuff.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129 91177308-0d34-0410-b5e6-96231b3b80d8