Chris Lattner
eef796c767
Always create a shadow node for a store instruction, even if it's storing
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a scalar value. Likewise for load instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2990 91177308-0d34-0410-b5e6-96231b3b80d8
2002-07-22 16:35:53 +00:00
Chris Lattner
9eee58d0ba
Ignore some common varargs functions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2973 91177308-0d34-0410-b5e6-96231b3b80d8
2002-07-19 18:11:43 +00:00
Chris Lattner
e221976b37
* Inline CopyFunctionCallsList
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* Don't clone OrigCallList
* Rename removeDeadNodes -> removeTriviallyDeadNodes
* Implement new removeDeadNodes method
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2970 91177308-0d34-0410-b5e6-96231b3b80d8
2002-07-18 18:22:40 +00:00
Chris Lattner
2a2c490154
Rename removeDeadNodes to removeTriviallyDeadNodes
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2969 91177308-0d34-0410-b5e6-96231b3b80d8
2002-07-18 18:19:09 +00:00
Vikram S. Adve
c44e9bfa5c
Add support for a top-down propagation pass:
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-- Save a copy of the original call nodes in DSGraph before inlining bottom-up.
-- Also, save a list of the callers of each function in DSGraph.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2966 91177308-0d34-0410-b5e6-96231b3b80d8
2002-07-18 16:13:52 +00:00
Vikram S. Adve
6aa0d62cb9
Add support for a top-down propagation pass.
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Each DSGraph now keeps a list of pending callers that have not
been inlined into the function represented by that graph.
It also keeps a copy of the original call nodes before the BU pass
eliminates some of them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2965 91177308-0d34-0410-b5e6-96231b3b80d8
2002-07-18 16:12:08 +00:00
Chris Lattner
055dc2c67e
Implement cast nodes correctly.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2964 91177308-0d34-0410-b5e6-96231b3b80d8
2002-07-18 15:54:42 +00:00
Chris Lattner
d124c38993
The graph is more accurate when I don't completely ignore the return value.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2952 91177308-0d34-0410-b5e6-96231b3b80d8
2002-07-18 01:58:24 +00:00
Chris Lattner
0d9bab8bac
Lots of bug fixes, add BottomUpClosure, which has bugs, but is a start.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2945 91177308-0d34-0410-b5e6-96231b3b80d8
2002-07-18 00:12:30 +00:00
Anand Shukla
6c5ed410b2
added std:: to string
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2915 91177308-0d34-0410-b5e6-96231b3b80d8
2002-07-16 00:03:10 +00:00
Chris Lattner
76d5b489e3
* Pass the DSGraph around instead of the Function to printing fns
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* Print the globals list in the node
* Print the scalars in the scalar node
* Eliminate Scalar "label" edges in the graph
* Print fake edges lighter instead of dotted
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2880 91177308-0d34-0410-b5e6-96231b3b80d8
2002-07-11 20:33:32 +00:00
Chris Lattner
f9ae4c5cb6
* Nodes now keep track of any global variables in them
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2879 91177308-0d34-0410-b5e6-96231b3b80d8
2002-07-11 20:32:22 +00:00
Chris Lattner
c314ac49d7
* Nodes now keep track of any global variables in them
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* Only dead-node-eliminate nodes with no flags
* Don't merge scalars, only merge what they point to.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2878 91177308-0d34-0410-b5e6-96231b3b80d8
2002-07-11 20:32:02 +00:00
Chris Lattner
c68c31b2d3
New implementation of data structure analysis. Only local analysis has been
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implemented so far.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2871 91177308-0d34-0410-b5e6-96231b3b80d8
2002-07-10 22:38:08 +00:00
Chris Lattner
2b0f739d57
Reimplement data structure analysis
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2868 91177308-0d34-0410-b5e6-96231b3b80d8
2002-07-10 22:36:26 +00:00
Chris Lattner
9fdaeb44b3
Fix anand's last checkin
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2804 91177308-0d34-0410-b5e6-96231b3b80d8
2002-06-30 16:01:15 +00:00
Anand Shukla
3b5eabb24b
changes to make it compatible with 64bit gcc
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2795 91177308-0d34-0410-b5e6-96231b3b80d8
2002-06-25 21:18:19 +00:00
Anand Shukla
a928403ca4
changes to make it compatible with 64bit gcc
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2789 91177308-0d34-0410-b5e6-96231b3b80d8
2002-06-25 20:35:19 +00:00
Chris Lattner
18961504fc
*** empty log message ***
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2777 91177308-0d34-0410-b5e6-96231b3b80d8
2002-06-25 16:12:52 +00:00
Chris Lattner
31bcdb822f
Split ConstantVals.h into Constant.h and Constants.h
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2378 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-28 19:55:58 +00:00
Chris Lattner
3bed5b46ba
Fix signed/unsigned comparison warning
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2350 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-28 04:49:43 +00:00
Chris Lattner
ee7eafa054
Add support for tracking array allocations
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2328 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-27 02:28:41 +00:00
Chris Lattner
2aa51be083
Allow the inline limit to be modified on the commandline for debugging
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2327 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-27 02:27:48 +00:00
Chris Lattner
595d2f670a
Print argument scalars as ellipses instead of boxes
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2293 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-18 18:14:19 +00:00
Chris Lattner
ef35ff066c
Inline indirect function calls that are only capable of calling one function
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2275 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-17 03:42:51 +00:00
Chris Lattner
fe14568a81
Make data structure acurately get ALL edges, even loads of null fields of
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nodes that are not shadow nodes
This fixes em3d to be _correct_ if not optimial
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2274 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-17 03:24:59 +00:00
Chris Lattner
7650b94c75
* Remove the concept of a critical shadow node
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* Make the function pointer argument explicit for a call nodes
* Eliminate unreachable global values
* Merge call nodes that are identical
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2266 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-16 20:39:59 +00:00
Chris Lattner
212be2e569
* Eliminate ArgDSNode's completely, now rely on scalar map
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* Fold call nodes that are indistinguishable for each other. This is a big
win for external functions like sqrt, which would multiply dramatically
before.
* Global nodes with no edges to or from them are now eliminated from the graph.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2257 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-16 03:44:03 +00:00
Chris Lattner
73e214244f
Move FunctionArgument out of iOther.h into Argument.h and rename class to
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be 'Argument' instead of FunctionArgument.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2216 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-09 19:48:49 +00:00
Chris Lattner
0ac5429ff0
Add explicit #includes of Function.h to make up for the removed #include
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in iOther.h
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2209 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-09 19:08:28 +00:00
Chris Lattner
42a412711c
Add #includes to make up for #includes pruned out of header files.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2207 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-09 18:37:46 +00:00
Chris Lattner
e6d4ec3d5a
Play around with #includes
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2174 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-08 21:58:53 +00:00
Chris Lattner
0009dac2bf
Call nodes are never equivalent
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Shadow nodes are never critical.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2102 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-04 19:21:51 +00:00
Chris Lattner
1f1170c94a
Add hack to get timing of analysis
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2101 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-04 19:21:27 +00:00
Chris Lattner
cc0c1b2e18
* Eliminate commented out code
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* Do not demand a shadow node when resolving
* Raise arbitrary inline limit
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2100 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-04 19:21:06 +00:00
Chris Lattner
a13d6ceed7
Support resolving function arguments/return values to pointers that index
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into other objects.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2094 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-01 22:20:48 +00:00
Chris Lattner
e0d1d1acf6
Avoid incorrectly adding null values to the scalar map!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2085 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-01 00:45:09 +00:00
Chris Lattner
dba61f34e8
Critical shadow nodes no do not know their parent explictly.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2084 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-01 00:15:30 +00:00
Chris Lattner
3feaf02c47
Minor cleanups (use dyn_cast instead of testing manually)
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Shadow nodes now don't explicitly know their parent.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2083 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-01 00:14:41 +00:00
Chris Lattner
f30185fdfb
Allow merging of identical call nodes. Make the shadow node pointed to
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by the call node noncritical before the call is destroyed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2082 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-01 00:13:56 +00:00
Chris Lattner
bab4a90cb9
Increase limit for perimeter
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2081 91177308-0d34-0410-b5e6-96231b3b80d8
2002-04-01 00:12:58 +00:00
Chris Lattner
0b7c85c06a
Unify the destruction code used for node pairs vs normal nodes. This was
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causing a problem before because global values with incoming edges didn't
copy the incoming edges to the node they were being merged from, causing
the poolalloc pass to die.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2079 91177308-0d34-0410-b5e6-96231b3b80d8
2002-03-31 19:57:44 +00:00
Chris Lattner
b28bf05483
* Move the isEquivalentTo implementations here. They can probably be put
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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
2002-03-31 07:16:08 +00:00
Chris Lattner
e6b552fd86
Print out the instruction instead of just the address!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2063 91177308-0d34-0410-b5e6-96231b3b80d8
2002-03-31 07:15:20 +00:00
Chris Lattner
44cf390784
* Move isEquivalentTo implementations to NodeImpl
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* 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
2002-03-31 07:14:52 +00:00
Chris Lattner
26cfa6664c
* Convert CallMap to be a vector, because the keys can change, and the map
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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
2002-03-31 07:13:27 +00:00
Chris Lattner
4dc1f82e7e
Implement getEscapingAllocations & getNonEscapingAllocations
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2021 91177308-0d34-0410-b5e6-96231b3b80d8
2002-03-28 19:33:00 +00:00
Chris Lattner
7d093d4231
* Rename UnlinkUndistinguishableShadowNodes & RemoveUnreachableShadowNodes
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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
2002-03-28 19:16:48 +00:00
Chris Lattner
cdae0b2591
Ooops, I did such a great job pruning nodes, that I accidentally deleted
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ALL allocation nodes... hrm... bad.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2018 91177308-0d34-0410-b5e6-96231b3b80d8
2002-03-28 18:38:38 +00:00
Chris Lattner
1120c8b34a
Many changes
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* 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
2002-03-28 17:56:03 +00:00
Chris Lattner
2ba3a72c3a
* Add #define to enabled debug messages
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* 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
2002-03-27 19:48:03 +00:00
Chris Lattner
6088c4f55e
* Implement DSNode::removeAllIncomingEdges
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* 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
2002-03-27 19:46:05 +00:00
Chris Lattner
f4066b3fe1
* Add critical node support
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* 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
2002-03-27 19:45:12 +00:00
Chris Lattner
ea4af65b72
* Destroy alloca nodes when a graph gets inlined
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* 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
2002-03-27 19:44:33 +00:00
Chris Lattner
9d42a1d2f9
* Optimizers return true on change
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* Implement indistinguishable shadow node elimination
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1999 91177308-0d34-0410-b5e6-96231b3b80d8
2002-03-27 00:55:13 +00:00
Chris Lattner
dd3fc184f5
Fix long line
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1998 91177308-0d34-0410-b5e6-96231b3b80d8
2002-03-27 00:54:31 +00:00
Chris Lattner
df8af1ca89
* Because of optimization, the shadow nodes between arguments might get
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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
2002-03-27 00:53:57 +00:00
Chris Lattner
bb2a28fec5
Initial checkin of Datastructure analysis.
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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
2002-03-26 22:39:06 +00:00