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47030f8a72
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575 Commits

Author SHA1 Message Date
Chris Lattner
47030f8a72 Try using trivially dead deletion 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7075 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-07-02 19:49:11 +00:00
Chris Lattner
44cfdf9b9a Remove dead Nodes list 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7065 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-07-02 06:06:34 +00:00
Chris Lattner
a8da51bf51 Complete rewrite of td pass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7064 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-07-02 04:39:44 +00:00
Chris Lattner
63899fab93 Print collapsed to match the paper 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7063 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-07-02 04:39:27 +00:00
Chris Lattner
9cd0484251 Reduce amount of work we do calculating mustaliases if the arg is a global 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7062 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-07-02 04:39:13 +00:00
Chris Lattner
58f98d0bf0 Add support for ParentGraph only when building in debug mode 
Minor cleanups, reenable folding of call nodes to external functions


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7061 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-07-02 04:38:49 +00:00
Chris Lattner
f07804b923 Add some functions to the blacklist 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7060 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-07-02 04:38:00 +00:00
Chris Lattner
744f93996e Make the BU closure keep track of which actual calls happen 
Minor cleanups


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7059 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-07-02 04:37:48 +00:00
Chris Lattner
3051419036 Make local pass print out its progress 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7058 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-07-02 04:37:26 +00:00
Chris Lattner
5fd60913da Fix bug: Regression/Other/2002-03-11-ExprAssertion.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7046 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-07-01 21:08:52 +00:00
Chris Lattner
18f07a11b9 Rework TD pass to work with the precise call graph constructed by the BU phase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7031 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-07-01 16:28:11 +00:00
Chris Lattner
b6734b281b Do not treat global variables as functions! (and assert failing) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7030 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-07-01 16:27:53 +00:00
Chris Lattner
d9dad2cf61 Dont' print scalar nodes for ConstantPointerRefs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7029 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-07-01 16:27:32 +00:00
Chris Lattner
5d5b6d6a5c Minor cleanups 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7027 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-07-01 16:04:18 +00:00
Chris Lattner
6681e98b13 Use the getFunctionNames method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7008 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-30 05:57:39 +00:00
Chris Lattner
a9d6566e36 Add new method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7007 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-30 05:57:30 +00:00
Chris Lattner
2b4c8dfdd5 Split CallSiteIterator out into DSCallSiteIterator.h, and generalize it a bit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7006 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-30 05:27:53 +00:00
Chris Lattner
9f93055253 Be more const-correct 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7005 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-30 05:27:18 +00:00
Chris Lattner
7b1ceaa40b Fix bug in last checkin 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7003 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-30 05:18:26 +00:00
Chris Lattner
0eea61863b Reimplement the BU closure to collapse all SCC graphs into a single graph. 
Look at all of the code that gets deleted!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7001 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-30 05:09:58 +00:00
Chris Lattner
2cb9acd785 Handle the case where OldNodeMap == &ScalarMap correctly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7000 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-30 05:09:29 +00:00
Chris Lattner
acbc8c6768 Remove dead method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6999 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-30 04:53:39 +00:00
Chris Lattner
81d924d804 Do not delete the same graph multiple times when freeing memory if graphs are sharing 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6998 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-30 04:53:27 +00:00
Chris Lattner
3d162907e3 Do not multiply delete graphs if functions are sharing graphs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6997 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-30 04:53:08 +00:00
Chris Lattner
8d32767da4 Move usages of explicit hash_* datastructures to use typedefs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6996 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-30 03:36:09 +00:00
Chris Lattner
5a54063303 Revamp DSGraphs so that they can support multiple functions in the same 
DSGraph at one time


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6994 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-30 03:15:25 +00:00
Chris Lattner
a321b04d60 Adjust for new DSGraph API 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6993 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-30 03:14:54 +00:00
Chris Lattner
dea8146787 Abstract out the predicate which decides whether a function gets complete 
arguments or not...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6987 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-29 22:37:07 +00:00
Chris Lattner
06e24c8447 Fix minor bug in previous checkin 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6986 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-29 22:36:31 +00:00
Chris Lattner
919ffbf977 Add support for ensuring that nodes are not incomplete 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6985 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-29 22:36:15 +00:00
Chris Lattner
5c5b10f46a Add support for "physical subtyping", which fixes: 
DSGraph/2003-06-29-NodeCollapsing2.ll & DSGraph/PhysicalSubtyping.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6982 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-29 20:27:45 +00:00
Chris Lattner
889fb9de96 Add print method to not get silly warning from analyze 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6981 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-29 20:27:16 +00:00
Chris Lattner
5100dbb9e7 New pass which is useful for writing regression tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6979 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-29 18:17:07 +00:00
Chris Lattner
5c70dc0456 Expose must alias information for global variables, implementing: DSGraph/mustalias.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6973 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-29 00:54:08 +00:00
Chris Lattner
aed2c6d2cb If the alias analysis algorithm we are using can provide MUST alias information, 
expose it directly as value numbering information


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6972 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-29 00:53:34 +00:00
Chris Lattner
1842a90e0b Count operands to instructions as well as just results. This allows for global variables to be checked as well 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6970 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-29 00:07:11 +00:00
Chris Lattner
312edd330f Propagate globals graph from the local to bu to td globals graphs. This 
fixes bug: DSGraph/buglobals.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6947 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-28 22:14:55 +00:00
Chris Lattner
5e459dbc52 Drop references to globals who do exist in the globals graph, but are never 
read or written to.  Keep track of how many times this happens.  This should
be good for deleting things like references to type information in C++ classes


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6946 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-28 22:10:58 +00:00
Chris Lattner
72d50a090f Avoid double negatives 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6945 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-28 21:58:28 +00:00
Chris Lattner
934fe856b5 New pass to perform DSA based optimizations. Initially we just support turning 
globals into constants if we can prove it's safe


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6941 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-28 21:54:55 +00:00
Chris Lattner
5db61fdc8a Fix bug: LevelRaise/2003-06-25-ExprAnalysis.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6903 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-25 17:09:03 +00:00
Chris Lattner
e0f4b98026 Remove support for the MultiObject flag, which was fundamentally broken 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6840 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-22 03:03:52 +00:00
Chris Lattner
bd92b73be7 * Changes to make NodeType be private to DSNode. 
* Add new MultiObject flag to DSNode which keeps track of whether or not
  multiple objects have been merged into the node, allowing must-alias info
  to be tracked.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6794 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-19 21:15:11 +00:00
Chris Lattner
388f669d95 Implement handling of constantexprs for disambiguation. This implements 
BasicAA/featuretest.ll:constexpr_test


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6740 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-17 15:25:37 +00:00
Chris Lattner
efa095e418 Avoid divide by zero errors 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6738 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-17 15:07:20 +00:00
Chris Lattner
e158b19a3c Nodes get forwarded when they are collapsed currently. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6696 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-16 12:08:18 +00:00
Chris Lattner
a75c8c4da8 Remove bogus assertion: a node with no referrers could be collapsed if field-sensitivity was disabled 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6695 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-16 12:07:39 +00:00
Chris Lattner
28c6cf22de Implement forwarding from stores to loads of must-aliased pointers. 
This implements: GCSE/2003-06-13-LoadStoreEliminate.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6694 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-16 12:06:41 +00:00
Chris Lattner
920bd79f34 Be more robust in the face of undefined behavior. 
Fixes bug: BasicAA/2003-06-01-AliasCrash.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6538 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-02 05:42:39 +00:00
Chris Lattner
a92dc19397 Fix bug: CBackend/2003-05-31-MissingStructName.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6495 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-05-31 23:30:52 +00:00