Chris Lattner
806b7ff4be
Add a check to avoid allowing V->replaceAllUsesWith(V)
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llvm-svn: 104
2001-06-29 05:25:51 +00:00
Chris Lattner
09a1ba491b
Add implementation of BasicBlock::removePredecessor code that was factored
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out of DCE.cpp
llvm-svn: 103
2001-06-29 05:25:23 +00:00
Chris Lattner
e005dc792d
* Factored RemovePredecessorFromBlock into BasicBlock::removePredecessor
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* 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
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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
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Removed a redundant check
llvm-svn: 100
2001-06-29 05:22:12 +00:00
Chris Lattner
d616582a7a
Miscellaneous cleanups:
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* 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
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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.
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llvm-svn: 92
2001-06-27 23:36:49 +00:00
Chris Lattner
87259414f9
Misc cleanup
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llvm-svn: 91
2001-06-27 23:36:09 +00:00
Chris Lattner
c9c6ca507f
* Expose DoConstantPoolMerging
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* 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
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llvm-svn: 89
2001-06-27 23:34:01 +00:00
Chris Lattner
3ecce840dc
Convert postincrements to more efficient preincrements
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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
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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!
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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
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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
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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
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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
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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
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llvm-svn: 66
2001-06-24 04:07:44 +00:00
Chris Lattner
89a7836d09
#include a different header due to Intervals.h splitting up
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llvm-svn: 63
2001-06-24 04:05:45 +00:00
Chris Lattner
0888156ce8
IntervalPartition & IntervalIterator classes have been split out into
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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
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llvm-svn: 60
2001-06-24 03:25:01 +00:00
Chris Lattner
4ebfee6ae4
Implement a lot more functionality. Now loop invariant and linear
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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
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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
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llvm-svn: 53
2001-06-21 05:29:56 +00:00
Chris Lattner
b87e26435e
Moved printing code to the Assembly/Writer library.
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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
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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
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llvm-svn: 45
2001-06-20 23:09:39 +00:00
Chris Lattner
3f0d248cea
Add capability to print a derived interval graph
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llvm-svn: 42
2001-06-20 22:44:38 +00:00
Chris Lattner
09e6e27f2c
Add capability to build a derived interval graph
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llvm-svn: 41
2001-06-20 22:44:32 +00:00
Chris Lattner
223af86a45
Initial Checking of Interval handling code
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llvm-svn: 39
2001-06-20 20:09:55 +00:00
Chris Lattner
30200aa462
Add a test case for interval code
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llvm-svn: 36
2001-06-20 19:27:11 +00:00
Chris Lattner
469c33ad89
Updates to work with new cfg namespace
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llvm-svn: 29
2001-06-13 19:55:22 +00:00
Chris Lattner
a6d2f96bdb
Updates to support
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* Changes in PHI node structure
llvm-svn: 25
2001-06-11 15:04:40 +00:00
Chris Lattner
88f6f66802
Updates to support
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* 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
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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.
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llvm-svn: 15
2001-06-07 21:18:45 +00:00
Chris Lattner
f6941c0602
Add extra method to PHI node class
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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)
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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
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llvm-svn: 9
2001-06-07 16:58:55 +00:00
Chris Lattner
0dcec884f6
Fixes for BB iterators, additional methods added for DCE pass
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llvm-svn: 8
2001-06-07 16:58:36 +00:00
Chris Lattner
e6b9b382e2
Initial revision
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llvm-svn: 2
2001-06-06 20:29:01 +00:00