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7485243e7a
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681 Commits

Author SHA1 Message Date
Chris Lattner
7485243e7a Implement a small optimization to handling of GEP's that are equivalent to casts. 
This results in substantially reduced collapsing for some testcases

llvm-svn: 10002
 2003-11-14 17:09:46 +00:00
Chris Lattner
ca8f3561c2 Trying to get the dsgraph for an external function is bad for DSA's health 
llvm-svn: 9979
 2003-11-13 18:48:11 +00:00
Chris Lattner
88bf4d25a0 Implement the CompleteBU pass 
llvm-svn: 9964
 2003-11-13 05:05:41 +00:00
Chris Lattner
547205d4bc Minor code cleanup 
llvm-svn: 9962
 2003-11-13 05:04:19 +00:00
Chris Lattner
8508dec429 Disable integer tracking by default 
llvm-svn: 9960
 2003-11-13 03:10:49 +00:00
Chris Lattner
55ad096ff8 Add an initial version of the CompleteBUDataStructures class, which is currently 
identical to the BU pass, but has an accurate call graph

llvm-svn: 9956
 2003-11-13 01:43:00 +00:00
Chris Lattner
b60823472a Fine-grainify namespaces for this library 
llvm-svn: 9948
 2003-11-12 23:11:14 +00:00
Chris Lattner
95d0b541c1 Add new argument to disable checking 
llvm-svn: 9922
 2003-11-12 17:58:22 +00:00
Chris Lattner
e73452b42d Print return nodes for graphs with multiple functions in them correctly 
llvm-svn: 9914
 2003-11-12 04:58:19 +00:00
Chris Lattner
87ad20251a Don't crash if no gg 
llvm-svn: 9913
 2003-11-12 04:57:58 +00:00
Chris Lattner
a08ef02e96 Cleanups 
llvm-svn: 9907
 2003-11-12 00:40:34 +00:00
Brian Gaeke
d25f86d683 Put all LLVM code into the llvm namespace, as per bug 109. 
llvm-svn: 9903
 2003-11-11 22:41:34 +00:00
Chris Lattner
6deb20046e Compute node offsets correctly 
llvm-svn: 9895
 2003-11-11 20:12:32 +00:00
Chris Lattner
365bda897c Add new method for computing node mappings. This is used by the pool allocator 
llvm-svn: 9880
 2003-11-11 05:08:59 +00:00
Chris Lattner
b63e179816 More additions 
llvm-svn: 9834
 2003-11-09 19:54:30 +00:00
Chris Lattner
a3444ad7e0 Add more functions 
llvm-svn: 9826
 2003-11-09 04:10:41 +00:00
Chris Lattner
6e7ff9a44d None of the __llvm_* functions call into the program. This makes the 
callgraph MUCH simpler for eh using program.

llvm-svn: 9825
 2003-11-09 04:00:59 +00:00
Chris Lattner
e63e580e56 Add support for memmove 
llvm-svn: 9824
 2003-11-09 03:32:52 +00:00
Chris Lattner
eb36733092 Handle bzero and memset in the local analysis, because we were missing the fact 
that memset returns its argument!!

llvm-svn: 9811
 2003-11-08 21:55:50 +00:00
Chris Lattner
28d77c2122 This doesn't use DSCallSiteIterator 
llvm-svn: 9809
 2003-11-08 21:17:37 +00:00
Chris Lattner
b5a2959ef2 Fix name collision 
llvm-svn: 9722
 2003-11-05 05:55:45 +00:00
Chris Lattner
a71b07eeca All DSGraphs keep a reference to the targetdata they are created with. This is 
used to eliminate the hard coded, hacked in, sparc specific, global TargetData.
Changing the TargetData used to actually match the code fixes problems, and
eliminates a crash.

llvm-svn: 9659
 2003-11-02 22:27:28 +00:00
Chris Lattner
63fb5bcaac Fix bug: test/Regression/Analysis/DSGraph/2003-11-02-NodeCollapsing.ll 
llvm-svn: 9658
 2003-11-02 21:02:20 +00:00
Chris Lattner
29f03b2d39 Including the symbol table in the FindUsedTypes analysis was the WRONG way 
to fix test/Regression/CBackend/2003-10-23-UnusedType.ll.  This completely
neutered the deadtypeelim pass.

llvm-svn: 9646
 2003-11-02 01:28:41 +00:00
Chris Lattner
9c85e0b72c Make the call graph more precise despite the hated constantpointerrefs. 
Do you detect the animosity I feel towards CPRs yet?

llvm-svn: 9640
 2003-10-31 21:05:12 +00:00
Chris Lattner
586db4056a When someone includes CallGraph.h, make sure that they link in CallGraph.cpp 
llvm-svn: 9611
 2003-10-30 05:17:30 +00:00
Chris Lattner
305fcb1536 Fix PR62, and llvm/test/Regression/CBackend/2003-10-28-CastToPtrToStruct.ll 
ConstantExpr's can use unrelated types, make sure to scan them.

llvm-svn: 9569
 2003-10-28 23:09:45 +00:00
Chris Lattner
28732137bc Fix bug: CBackend/2003-10-23-UnusedType.ll and hopefully 252.eon 
llvm-svn: 9441
 2003-10-23 19:30:30 +00:00
Chris Lattner
307255971c This is a disgusting hack that improves code substantially, by making 
callgraphSCC passes more effective.

llvm-svn: 9384
 2003-10-22 18:53:31 +00:00
Chris Lattner
ce023da56a Do not add unreachable code to a natural loop! 
llvm-svn: 9377
 2003-10-22 16:41:21 +00:00
Chris Lattner
43276ffbf4 Make sure to print labels on nodes without names 
llvm-svn: 9376
 2003-10-22 16:30:58 +00:00
Chris Lattner
dd7d5d8172 If the basic block has no name, make sure to print the % number of it 
llvm-svn: 9375
 2003-10-22 16:22:42 +00:00
Chris Lattner
8476f4bb56 Implement the Function::viewCFG* methods, for use in a debugger. Also, the 
-print-cfg pass now lives here.

llvm-svn: 9374
 2003-10-22 16:03:49 +00:00
John Criswell
de34542f41 Added LLVM copyright header. 
llvm-svn: 9321
 2003-10-21 15:17:13 +00:00
John Criswell
71d2894956 Added LLVM copyright notice to Makefiles. 
llvm-svn: 9312
 2003-10-20 22:26:57 +00:00
Chris Lattner
489483fe88 Convert this code from using annotations to using a local map 
llvm-svn: 9310
 2003-10-20 20:52:23 +00:00
Chris Lattner
e06b3121c8 Remove using declaration 
llvm-svn: 9307
 2003-10-20 20:38:17 +00:00
John Criswell
b402729b30 Added LLVM project notice to the top of every C++ source file. 
Header files will be on the way.

llvm-svn: 9298
 2003-10-20 19:43:21 +00:00
Chris Lattner
87843f87b8 Change the Opcode enum for PHI nodes from "Instruction::PHINode" to "Instruction::PHI" to be more consistent with the other instructions. 
llvm-svn: 9269
 2003-10-19 21:34:28 +00:00
Chris Lattner
97f3f7e819 Make use of "external" depth-first iterators to avoid revisiting nodes 
multiple times.  This reduces the time to construct post-dominance sets a LOT.
For example, optimizing perlbmk goes from taking 12.9894s to 1.4074s.

llvm-svn: 9091
 2003-10-13 16:36:06 +00:00
Chris Lattner
b6c8569f05 Regularize header file comments 
llvm-svn: 9071
 2003-10-13 03:32:08 +00:00
Chris Lattner
be9a1813c6 Make getNumBackEdges more efficient 
llvm-svn: 9063
 2003-10-12 22:14:27 +00:00
Alkis Evlogimenos
e6fdc87045 Use std::string::size_type for for ColonPos to stop gcc from giving a warning 
llvm-svn: 8811
 2003-10-01 22:49:22 +00:00
Chris Lattner
471405e2ba DOn't crash if program calls the null pointer 
llvm-svn: 8708
 2003-09-24 23:42:58 +00:00
Chris Lattner
36559daef0 Remove explicit use of BasicBlock::succ_iterator 
llvm-svn: 8706
 2003-09-24 22:18:35 +00:00
Chris Lattner
883cc51630 Functions reachable from the arguments of unresolvable call nodes should 
not have their arguments marked complete

llvm-svn: 8639
 2003-09-20 23:58:33 +00:00
Chris Lattner
681a690f26 The Globals graph must become complete at the end of the BU phase! 
llvm-svn: 8638
 2003-09-20 23:27:05 +00:00
Chris Lattner
a85a2f8d86 Do not mark incoming arguments to functions complete if the function is pointed to by a global in the globals graph 
llvm-svn: 8637
 2003-09-20 22:24:04 +00:00
Chris Lattner
c2e75f110a Make sure to add global variable initializers to the Globals graph! 
llvm-svn: 8636
 2003-09-20 21:48:16 +00:00
Chris Lattner
a721b89e37 Don't consider incomplete nodes to be typesafe! 
llvm-svn: 8635
 2003-09-20 21:48:01 +00:00