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643 Commits

Author SHA1 Message Date
Chris Lattner
81bbbcfe1f Added documentation. Constant fold terminators. 
llvm-svn: 106
 2001-06-29 23:56:23 +00:00
Chris Lattner
806b7ff4be Add a check to avoid allowing V->replaceAllUsesWith(V) 
llvm-svn: 104
 2001-06-29 05:25:51 +00:00
Chris Lattner
09a1ba491b Add implementation of BasicBlock::removePredecessor code that was factored 
out of DCE.cpp

llvm-svn: 103
 2001-06-29 05:25:23 +00:00
Chris Lattner
e005dc792d * Factored RemovePredecessorFromBlock into BasicBlock::removePredecessor 
* Avoid messing around with this case:
  br label %A
%A:  br label %A
* Enable optimizations that are correct now.

llvm-svn: 102
 2001-06-29 05:24:28 +00:00
Chris Lattner
f5b28afa04 We need to make sure to remove PHI nodes in the successor that cannot be 
executed when removing branch dest.

llvm-svn: 101
 2001-06-29 05:23:10 +00:00
Chris Lattner
e445514d62 Added a note about a new verification the verifier should do 
Removed a redundant check

llvm-svn: 100
 2001-06-29 05:22:12 +00:00
Chris Lattner
d616582a7a Miscellaneous cleanups: 
* Convert post to pre-increment for for loops
  * Use generic programming more
  * Use new Value::cast* instructions
  * Use new Module, Method, & BasicBlock forwarding methods
  * Use new facilities in STLExtras.h
  * Use new Instruction::isPHINode() method

llvm-svn: 96
 2001-06-27 23:41:11 +00:00
Chris Lattner
0a37aa1884 Add a new Sparse Conditional Constant Propogation pass 
llvm-svn: 95
 2001-06-27 23:38:11 +00:00
Chris Lattner
747dcc99bc Change to use the new GenericBinaryInst class. Support lots more operators. 
llvm-svn: 92
 2001-06-27 23:36:49 +00:00
Chris Lattner
87259414f9 Misc cleanup 
llvm-svn: 91
 2001-06-27 23:36:09 +00:00
Chris Lattner
c9c6ca507f * Expose DoConstantPoolMerging 
* Cleanups (post->pre increment, new cleaner API, etc)
* Moved stuff into ConstantHandling.h

llvm-svn: 90
 2001-06-27 23:35:26 +00:00
Chris Lattner
07b100a643 Convert ugly postincrement to efficient preincrement 
llvm-svn: 89
 2001-06-27 23:34:01 +00:00
Chris Lattner
3ecce840dc Convert postincrements to more efficient preincrements 
llvm-svn: 81
 2001-06-27 23:28:02 +00:00
Chris Lattner
c129381d15 Moved UnaryOperator::create to InstrTypes.cpp until there is an iUnaryOps.cpp 
Moved BinaryOperator::create to iBinaryOperators.cpp
Add getUniqueName to SymbolTable

llvm-svn: 76
 2001-06-25 07:33:13 +00:00
Chris Lattner
725a64614c Implement induction variable injection! 
llvm-svn: 75
 2001-06-25 07:32:19 +00:00
Chris Lattner
287398c2a9 Renamed get.*Operator to create seeing that it would have to be qualified 
with the classname anyways.

llvm-svn: 74
 2001-06-25 07:31:31 +00:00
Chris Lattner
b408df97c8 * Rename get.*Operator to create seeing that it would have to be qualified 
with the classname anyways.
* Add an isPHINode() method to Instruction
* Add getUniqueName() to SymbolTable class
* Add an insert method to ValueHolder

llvm-svn: 73
 2001-06-25 07:31:05 +00:00
Chris Lattner
105f271c39 A silly stupid test of the loop depth calculator was added. REMOVE in the 
future.

llvm-svn: 72
 2001-06-25 03:55:37 +00:00
Chris Lattner
c75d18eb19 IntervalPartition: recode to use IntervalIterator to do all the work 
LoopDepth.cpp: new file that calculates the depth of a loop, using
IntervalPartitions.

llvm-svn: 71
 2001-06-25 03:55:04 +00:00
Chris Lattner
984c993188 New file due to the Intervals.h splitup 
llvm-svn: 66
 2001-06-24 04:07:44 +00:00
Chris Lattner
89a7836d09 #include a different header due to Intervals.h splitting up 
llvm-svn: 63
 2001-06-24 04:05:45 +00:00
Chris Lattner
0888156ce8 IntervalPartition & IntervalIterator classes have been split out into 
their own .h files & .cpp file

llvm-svn: 62
 2001-06-24 04:05:21 +00:00
Chris Lattner
f1342013f0 Prepare for split between Interval, IntervalIterator, and IntervalIPartition 
llvm-svn: 60
 2001-06-24 03:25:01 +00:00
Chris Lattner
4ebfee6ae4 Implement a lot more functionality. Now loop invariant and linear 
induction variables are correctly identified.

llvm-svn: 57
 2001-06-22 02:24:38 +00:00
Chris Lattner
d14456aa8a Interval::HeaderNode is now accessed thorugh an accessor function 
llvm-svn: 56
 2001-06-22 02:23:39 +00:00
Chris Lattner
86182934b5 Add a space to the PHI node output code to make it look nicer 
llvm-svn: 53
 2001-06-21 05:29:56 +00:00
Chris Lattner
b87e26435e Moved printing code to the Assembly/Writer library. 
Code now detects looping intervals

llvm-svn: 52
 2001-06-21 05:27:22 +00:00
Chris Lattner
8cf206d0fa Implement the new Interval::isLoop method 
Implement destructor to free memory

llvm-svn: 51
 2001-06-21 05:26:15 +00:00
Chris Lattner
5d07eeb20a Get rid of a silly printout that isn't needed right now 
llvm-svn: 45
 2001-06-20 23:09:39 +00:00
Chris Lattner
3f0d248cea Add capability to print a derived interval graph 
llvm-svn: 42
 2001-06-20 22:44:38 +00:00
Chris Lattner
09e6e27f2c Add capability to build a derived interval graph 
llvm-svn: 41
 2001-06-20 22:44:32 +00:00
Chris Lattner
223af86a45 Initial Checking of Interval handling code 
llvm-svn: 39
 2001-06-20 20:09:55 +00:00
Chris Lattner
30200aa462 Add a test case for interval code 
llvm-svn: 36
 2001-06-20 19:27:11 +00:00
Chris Lattner
469c33ad89 Updates to work with new cfg namespace 
llvm-svn: 29
 2001-06-13 19:55:22 +00:00
Chris Lattner
a6d2f96bdb Updates to support 
* Changes in PHI node structure

llvm-svn: 25
 2001-06-11 15:04:40 +00:00
Chris Lattner
88f6f66802 Updates to support 
* Changes in PHI node structure
* Change to PHI syntax

llvm-svn: 24
 2001-06-11 15:04:20 +00:00
Chris Lattner
11c3121788 Moved getBinaryOperator to the BinaryOperator class and the getUnaryOperator 
to the UnaryOperator class (from the Instruction class).

llvm-svn: 21
 2001-06-08 21:30:13 +00:00
Chris Lattner
5975876e9b Updated to work with new CFG.h file. 
llvm-svn: 15
 2001-06-07 21:18:45 +00:00
Chris Lattner
f6941c0602 Add extra method to PHI node class 
llvm-svn: 11
 2001-06-07 16:59:37 +00:00
Chris Lattner
68035d3c02 Significant rework. DCE is still not done (see #ifdef'd out parts) 
but at least the stuff that is checked in, now works.

llvm-svn: 10
 2001-06-07 16:59:26 +00:00
Chris Lattner
f2f80282cb Fixed to print slightly differently. Added use counts for labels 
llvm-svn: 9
 2001-06-07 16:58:55 +00:00
Chris Lattner
0dcec884f6 Fixes for BB iterators, additional methods added for DCE pass 
llvm-svn: 8
 2001-06-07 16:58:36 +00:00
Chris Lattner
e6b9b382e2 Initial revision 
llvm-svn: 2
 2001-06-06 20:29:01 +00:00