Minor cleanup in printing constants.  I think this included a bug
fix related to putting a read-write variable in a read-only section,
but I'm not sure now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2073 91177308-0d34-0410-b5e6-96231b3b80d8

Add method getCallInstIndirectAddrVal() to add call interference
for this value.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2072 91177308-0d34-0410-b5e6-96231b3b80d8

Add method clearCallInterference().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2071 91177308-0d34-0410-b5e6-96231b3b80d8

Include temp. values when computing max. size of stack frame!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2070 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a bug in previous bug fix.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2069 91177308-0d34-0410-b5e6-96231b3b80d8

Bug fix: address used by indirect call instruction should also
be marked as having a Call Interference, even though it may not
be live after the call.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2068 91177308-0d34-0410-b5e6-96231b3b80d8

Add debug output

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2066 91177308-0d34-0410-b5e6-96231b3b80d8

* Fix nondeleted type handle which could cause type pool corruption (and
  a memory leak)
* Fix memory leak of Argument nodes on function prototypes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2065 91177308-0d34-0410-b5e6-96231b3b80d8

* Move the isEquivalentTo implementations here.  They can probably be put
  someplace nicer in the file though.
* Add new dump method for debugging

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2064 91177308-0d34-0410-b5e6-96231b3b80d8

Print out the instruction instead of just the address!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2063 91177308-0d34-0410-b5e6-96231b3b80d8

* Move isEquivalentTo implementations to NodeImpl
* Implement a new form of node folding to catch cases missed in Addtree
* Add removeIndistinguishableNodePairs to merge calls (todo) and globals

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2062 91177308-0d34-0410-b5e6-96231b3b80d8

* Convert CallMap to be a vector, because the keys can change, and the map
  doesn't resort!
* Be more generous with the cached matches that we allow now.
* Recursive calls should all work now!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2061 91177308-0d34-0410-b5e6-96231b3b80d8

* Allow access to DSNode iterator as DSNode::iterator/begin/end
* Add debugging "dump" method to DSNode
* Fix bugs in DSNode iterator

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2060 91177308-0d34-0410-b5e6-96231b3b80d8

Fix CreateUIntSetInstruction() to handle sign extensions correctly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2059 91177308-0d34-0410-b5e6-96231b3b80d8

* Catch and ignore (for now) return instructions in tranformed functions
* Add more debugging output
* Fix problems refering to wrong versions of various graphs
* Build the pool descriptor map!
* Clear the nodemapping map after building pool descriptor to avoid assert
* Transform the NEw function body, not the old one...
* Matrix.ll now works!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2058 91177308-0d34-0410-b5e6-96231b3b80d8

Initial checkin of file:

Define an iterator to operate over data structure outgoing links and
graph implementation so generic graph functions can be used.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2057 91177308-0d34-0410-b5e6-96231b3b80d8

* Clean up data structures [AllocDSNode -> DSNode]
* TransformFunctionInfo now has call field form field mapping.  May be
  removed in the future.
* Moved the computation of "Scalars" into transformFunctionBody so
  transformFunction didn't have to recompute it.
* Implement the node mapping calculation in preparation to calculate
  PoolDescriptors to pass to transformFunctionBody
* Print out the node mapping [it looks right!]
* Other minor changes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2056 91177308-0d34-0410-b5e6-96231b3b80d8

Add accessors and a method to get all the outgoing links for ALL nodes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2055 91177308-0d34-0410-b5e6-96231b3b80d8

Add an accessor

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2054 91177308-0d34-0410-b5e6-96231b3b80d8

Maintain enough information so that the pools for all of the nodes of
the graph can be passed around.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2053 91177308-0d34-0410-b5e6-96231b3b80d8

Implement the first batch of transformations to the methods.  So far it:
 * Converts malloc instructions to poolalloc
 * Converts free instructions to poolfree
 * Convert calls to call the new cloned hacked up versions

Note that this does not modify hacked up stuff yet, just the top level
function

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2052 91177308-0d34-0410-b5e6-96231b3b80d8

Add a hook to allow the datastructure to keep naturally up to date, even
though it's not entirely fleshed out.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2051 91177308-0d34-0410-b5e6-96231b3b80d8

* s/Method/Function
* Implement a check to make sure a function is not internal and external
  at the same time

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2050 91177308-0d34-0410-b5e6-96231b3b80d8

Correctly clone the function with the extra argument types.  Now we need
to modify the function next.

This also properly recycles functions so that we don't get exponential
code blowup in the common case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2049 91177308-0d34-0410-b5e6-96231b3b80d8

s/Method/Function

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2048 91177308-0d34-0410-b5e6-96231b3b80d8

Add more accessors

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2047 91177308-0d34-0410-b5e6-96231b3b80d8

Checkin new useful routine

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2046 91177308-0d34-0410-b5e6-96231b3b80d8

New clone function routine

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2045 91177308-0d34-0410-b5e6-96231b3b80d8

Find out which calls in the function we need to transform and how.
Next step is to start hacking functions up.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2044 91177308-0d34-0410-b5e6-96231b3b80d8

s/Method/Function

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2043 91177308-0d34-0410-b5e6-96231b3b80d8

Rename getCalledMethod to getCalledFunction

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2042 91177308-0d34-0410-b5e6-96231b3b80d8

Remove getCalledMethod.  Use getCalledFunction instead

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2041 91177308-0d34-0410-b5e6-96231b3b80d8

Modularize code a bit

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2040 91177308-0d34-0410-b5e6-96231b3b80d8

Implement the first step of pool allocation - Creating, initialization, and
destruction of the pools.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2039 91177308-0d34-0410-b5e6-96231b3b80d8

Add an insert method to VAlueHolder to allow batch insertion

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2038 91177308-0d34-0410-b5e6-96231b3b80d8

Add new addTypeName method to Module class

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2037 91177308-0d34-0410-b5e6-96231b3b80d8

s/Method/Function

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2036 91177308-0d34-0410-b5e6-96231b3b80d8

s/Method/Function

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2035 91177308-0d34-0410-b5e6-96231b3b80d8

s/Method/Function

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2034 91177308-0d34-0410-b5e6-96231b3b80d8

Implement new getFunction and getOrInsertFunction methods

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2033 91177308-0d34-0410-b5e6-96231b3b80d8

Simplify code a bit by using Module::getOrInsertFunction

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2032 91177308-0d34-0410-b5e6-96231b3b80d8

Flesh out a bunch more code, print allocations that are poolable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2031 91177308-0d34-0410-b5e6-96231b3b80d8

s/method/function

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2030 91177308-0d34-0410-b5e6-96231b3b80d8

s/Method/Function/g

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2029 91177308-0d34-0410-b5e6-96231b3b80d8

Simplify code a lot by using the Module::getFunction & getOrInsertFunction

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2028 91177308-0d34-0410-b5e6-96231b3b80d8

Expose more information to clients

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2027 91177308-0d34-0410-b5e6-96231b3b80d8

Add getOrInsertFunction and getFunction methods to Module.  This simplifies
some code in the transformations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2026 91177308-0d34-0410-b5e6-96231b3b80d8

Add #define for MethodType

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2025 91177308-0d34-0410-b5e6-96231b3b80d8

s/Method/Function/

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2024 91177308-0d34-0410-b5e6-96231b3b80d8

Rename MethodType to FunctionType, provide a #define

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2023 91177308-0d34-0410-b5e6-96231b3b80d8

Remove the reduceApply functions they are obsolete things from the days before
we had a reasonable pass system

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2022 91177308-0d34-0410-b5e6-96231b3b80d8

Implement getEscapingAllocations & getNonEscapingAllocations

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2021 91177308-0d34-0410-b5e6-96231b3b80d8

* Rename UnlinkUndistinguishableShadowNodes & RemoveUnreachableShadowNodes
  to reflect that they can eliminate arbitrary nodes.
* Rename the ShadowNodeEliminate.cpp file to EliminateNodes.cpp for the
  same reason

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2020 91177308-0d34-0410-b5e6-96231b3b80d8

* Remove RemoveUnreachableShadowNodes & UnlinkUndistinguishableShadowNodes
  to reflect the fact that they actually operate on arbitrary nodes
* Clean up public interface of FunctionDSGraph
* add getEscapingAllocations & getNonEscapingAllocations

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2019 91177308-0d34-0410-b5e6-96231b3b80d8

Ooops, I did such a great job pruning nodes, that I accidentally deleted
ALL allocation nodes... hrm... bad.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2018 91177308-0d34-0410-b5e6-96231b3b80d8

Add subdirs to makefile

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2017 91177308-0d34-0410-b5e6-96231b3b80d8

Initial checkin of first regression test for mem2reg pass

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2016 91177308-0d34-0410-b5e6-96231b3b80d8

Makefile change for IPO's that use the Datastructure analysis stuff

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2015 91177308-0d34-0410-b5e6-96231b3b80d8

Initial checkin of Noop pass that will be the pool allocator

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2014 91177308-0d34-0410-b5e6-96231b3b80d8

Add hook for pool allocation pass

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2013 91177308-0d34-0410-b5e6-96231b3b80d8

New file for new pass

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2012 91177308-0d34-0410-b5e6-96231b3b80d8

Checking for Cameron

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2011 91177308-0d34-0410-b5e6-96231b3b80d8

Many changes
* Simplify a lot of the inlining stuff.  There are still problems, but not
  many
* Break up the Function representation to have a vector for every different
  node type so it is fast to find nodes of a particular flavor.
* Do more intelligent merging of call values
* Allow elimination of unreachable shadow and allocation nodes
* Generalize indistinguishability testing to allow merging of identical calls.
* Increase shadow node merging power

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2010 91177308-0d34-0410-b5e6-96231b3b80d8

* Define some operators on PointerVal and PVS's
* Nodes can determine whether they are foldable with another node
* Rename NewDSNode to AllocDSNode
* The Function graph breaks up all of the node types into individual
  vectors to alloc fast access when you are looking for a particular type
  of node.  Simplifies much code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2009 91177308-0d34-0410-b5e6-96231b3b80d8

Rename constructor function for mem2reg pass.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2008 91177308-0d34-0410-b5e6-96231b3b80d8

* Move classes around
* rename constructor function
* Move stuff into anonymous namespaces

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2007 91177308-0d34-0410-b5e6-96231b3b80d8

Rename constructor function

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2006 91177308-0d34-0410-b5e6-96231b3b80d8

Implemented promote mem->reg pass.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2005 91177308-0d34-0410-b5e6-96231b3b80d8

* Add #define to enabled debug messages
* Move removeEdgesTo to be a member of DSNode
* Implement (but #ifdef out) the new, spiffier, method of determining
  shadow node equivalence.  This cannot be enabled until more is
  implemented.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2004 91177308-0d34-0410-b5e6-96231b3b80d8

* Implement DSNode::removeAllIncomingEdges
* Implement Critical Shadow node handling
* Implement routines to determine whether an allocation node is a malloc
  or alloca

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2003 91177308-0d34-0410-b5e6-96231b3b80d8

* Add critical node support
* Optimize graph after building it.  This should be unneccesary in the future

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2002 91177308-0d34-0410-b5e6-96231b3b80d8

* Destroy alloca nodes when a graph gets inlined
* Add links to all subtrees when a shadow node gets resolved
* Add critical node handling

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2001 91177308-0d34-0410-b5e6-96231b3b80d8

* Add a nice utility method to DSNode
* Export interface to tell whether an alloc node represent a malloc or alloca
* Add the concept of a "critical" shadow node

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2000 91177308-0d34-0410-b5e6-96231b3b80d8

* Optimizers return true on change
* Implement indistinguishable shadow node elimination

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1999 91177308-0d34-0410-b5e6-96231b3b80d8

Fix long line

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1998 91177308-0d34-0410-b5e6-96231b3b80d8

* Because of optimization, the shadow nodes between arguments might get
  removed.  Check to see if they are there.
* Repeat optimizations while changing

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1997 91177308-0d34-0410-b5e6-96231b3b80d8

Allow isa<DSNode>(..)
Simplification routines return true on change

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1996 91177308-0d34-0410-b5e6-96231b3b80d8

* Add support for DataStructure analysis
* Parameterize pass outputting with the printPass template, so analysis
  output can optionally take more arguments than just a stream.  The
  default output mode is just to use operator<< on the analysis.
* Remove CurrentModule hack, in favor of using printPass
* Remove special operator<<'s defined for FindUsedTypes and
  FindUnsafePointerTypes, in favor of printPass specializations
* Use std::cout instead of cout

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1995 91177308-0d34-0410-b5e6-96231b3b80d8

Initial checkin of Datastructure analysis.

Has bugs, but shouldn't crash in theory.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1994 91177308-0d34-0410-b5e6-96231b3b80d8

New header file for datastructure analysis

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1993 91177308-0d34-0410-b5e6-96231b3b80d8

Change from Method to Function

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1992 91177308-0d34-0410-b5e6-96231b3b80d8

Change references from Method to Function
change references from MethodARgument to FunctionArgument

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1991 91177308-0d34-0410-b5e6-96231b3b80d8

Convert to use new style casts instead of direct checking

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1990 91177308-0d34-0410-b5e6-96231b3b80d8

change refs to Method to Function
Change references to MEthodArgument to FunctionArgument

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1989 91177308-0d34-0410-b5e6-96231b3b80d8

Change uses of Method to Function
Change uses of methodArgument to FunctionArgument

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1988 91177308-0d34-0410-b5e6-96231b3b80d8

Remove unneccesary forward declarations for classes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1987 91177308-0d34-0410-b5e6-96231b3b80d8

Transform uses of Method into uses of Function.
Rename MethodArgument to FunctionArgument
Fix some _really_ out of date comments

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1986 91177308-0d34-0410-b5e6-96231b3b80d8

Allow clients to use FunctionType as well as MethodType for now

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1985 91177308-0d34-0410-b5e6-96231b3b80d8

Make test more rigorous.  It was never reading the non-scalar variables
from memory!  Also, separate the writing and reading routines.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1983 91177308-0d34-0410-b5e6-96231b3b80d8

initialize sum variable

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1982 91177308-0d34-0410-b5e6-96231b3b80d8

Refix bug: Add back method MachineCodeForInstruction::dropAllReferences.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1980 91177308-0d34-0410-b5e6-96231b3b80d8

Fix padding when allocating local variables on stack.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1979 91177308-0d34-0410-b5e6-96231b3b80d8

Add methods to support type inquiry.  Rename TmpInstruction values.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1978 91177308-0d34-0410-b5e6-96231b3b80d8

Moved to directory Scalar/ and renamed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1977 91177308-0d34-0410-b5e6-96231b3b80d8

Destroy MethodLiveVarInfo after register allocation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1976 91177308-0d34-0410-b5e6-96231b3b80d8

Use deterministic iterator for SchedGraphs.  This is actually not
useful right now when we only do local scheduling.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1975 91177308-0d34-0410-b5e6-96231b3b80d8

Bug fix: nextToTry was not being initialized in one case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1974 91177308-0d34-0410-b5e6-96231b3b80d8

Add option to disable scheduling.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1973 91177308-0d34-0410-b5e6-96231b3b80d8

Add option to disable scheduling.
Destroy live-variable information after scheduling so it is
recomputed before later phases (e.g., reg. allocation).
Use deterministic iterator to enumerate sched graphs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1972 91177308-0d34-0410-b5e6-96231b3b80d8

Minor changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1971 91177308-0d34-0410-b5e6-96231b3b80d8