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52317 Commits

Author SHA1 Message Date
Chris Lattner 49c643262e Moved Cast from being a Unary instruction to being an "Other" instruction 
llvm-svn: 160
 2001-07-08 19:03:27 +00:00
Chris Lattner fb8ed0cf3a Use the CDG to mark branches alive on demand. 
llvm-svn: 159
 2001-07-08 18:38:36 +00:00
Chris Lattner 1547114cbf Fixed post dominator frontiers! Yaay! 
llvm-svn: 157
 2001-07-08 05:54:09 +00:00
Chris Lattner a682182f64 Neg instruction removed. Cast instruction implemented. 
llvm-svn: 156
 2001-07-08 04:57:15 +00:00
Chris Lattner 1fd1a3a7b4 Removing unnecesary file 
llvm-svn: 154
 2001-07-07 20:54:19 +00:00
Chris Lattner 87d478287b Convert BinaryOperand and UnaryOperator to only take instruction types of 
the appropriate enum

llvm-svn: 153
 2001-07-07 20:17:23 +00:00
Chris Lattner b1ca9cbceb Broad superficial changes: 
* Renamed getOpcode to getOpcodeName
* Changed getOpcodeName to return a const char * instead of string
* Added a getOpcode method to replace getInstType
* Changed code to use getOpcode instead of getInstType

llvm-svn: 152
 2001-07-07 19:24:15 +00:00
Chris Lattner a073acb22d Changed the fundemental architecture of Operands for Instructions. Now 
Operands are maintained as a vector<Use> in the User class, and operator
iterators are provided as before.  Getting an operand no longer requires
a virtual function call.

WARNING: getOperand(x) where x >= getNumOperands() will now assert instead
of returning null!

llvm-svn: 149
 2001-07-07 08:36:50 +00:00
Chris Lattner 37099990b3 Changed memory reference instructions to store the result as the implicit 
type of the instruction.

llvm-svn: 148
 2001-07-07 08:36:30 +00:00
Chris Lattner 32503d5637 Fixed some error messages to be nicer 
llvm-svn: 147
 2001-07-07 08:36:05 +00:00
Chris Lattner 29aae157f7 Add method to unify all exit nodes of a method 
llvm-svn: 143
 2001-07-06 16:58:36 +00:00
Chris Lattner c385bebc89 Implement support for postdominators, except in dom frontiers 
llvm-svn: 142
 2001-07-06 16:58:22 +00:00
Chris Lattner 8024bde7c7 Update to include right file 
llvm-svn: 138
 2001-07-06 16:32:07 +00:00
Chris Lattner 81f3ace753 IntervalPartition was changed to inherit from vector<Interval*> instead of 
contain it so that it would have full iterator access without much work.

Writer includes code to print out IntervalPartition's now.

llvm-svn: 133
 2001-07-03 15:28:35 +00:00
Chris Lattner fa3ac26d22 Code got moved from the lib/Assembly/Writer/IntervalWriter.cpp file to 
here.  Updates to correct description n stuff.

llvm-svn: 129
 2001-07-03 05:36:34 +00:00
Chris Lattner a7f22e53c0 Add printing code for dominator info 
llvm-svn: 125
 2001-07-02 05:46:47 +00:00
Chris Lattner 081aabc330 Checkin of new dominator calculation routines. These will be improved in 
the future to do post dominators and stuff

llvm-svn: 124
 2001-07-02 05:46:38 +00:00
Chris Lattner 0c94a300eb Moved deleter to include/llvm/Tools/STLExtras.h 
llvm-svn: 120
 2001-07-02 01:08:08 +00:00
Chris Lattner b28986ffc7 Initial checkin. Should print dead instructions, except it doesn't do 
control dependencies.  :(

llvm-svn: 119
 2001-06-30 06:39:11 +00:00
Chris Lattner 1960b3c6d2 Rename DoSparseConditionalConstantProp -> DoSCCP 
llvm-svn: 117
 2001-06-30 06:37:43 +00:00
Chris Lattner d42d492734 Optimizations got their own header files 
Optimizations now live in the 'opt' namespace
include/llvm/Opt was renamed include/llvm/Optimizations

llvm-svn: 113
 2001-06-30 04:36:40 +00:00
Chris Lattner 31cf984332 Implement reduceApply method 
llvm-svn: 112
 2001-06-30 04:35:40 +00:00
Chris Lattner c10245352c Add a new pop_back() method 
llvm-svn: 111
 2001-06-30 04:35:21 +00:00
Chris Lattner 7ce8b17e60 Export ConstantFoldTerminator, allow it to fold conditional branches to 
the same label.

llvm-svn: 107
 2001-06-29 23:56:58 +00:00
Chris Lattner 10b250eb4d Added documentation. Constant fold terminators. 
llvm-svn: 106
 2001-06-29 23:56:23 +00:00
Chris Lattner 2dd58aefa5 Add a check to avoid allowing V->replaceAllUsesWith(V) 
llvm-svn: 104
 2001-06-29 05:25:51 +00:00
Chris Lattner 615d3cf40d 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 84f07396d3 * 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 e4abb60948 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 d77f3c0cbd 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 4cee8d8ffb 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 347389dae8 Add a new Sparse Conditional Constant Propogation pass 
llvm-svn: 95
 2001-06-27 23:38:11 +00:00
Chris Lattner 0ee411c080 Change to use the new GenericBinaryInst class. Support lots more operators. 
llvm-svn: 92
 2001-06-27 23:36:49 +00:00
Chris Lattner 1a67fb8860 Misc cleanup 
llvm-svn: 91
 2001-06-27 23:36:09 +00:00
Chris Lattner f222bf33c3 * 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 4c8ba81f21 Convert ugly postincrement to efficient preincrement 
llvm-svn: 89
 2001-06-27 23:34:01 +00:00
Chris Lattner 223796ccf2 Convert postincrements to more efficient preincrements 
llvm-svn: 81
 2001-06-27 23:28:02 +00:00
Chris Lattner 01683cca32 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 dbdaaef7d5 Implement induction variable injection! 
llvm-svn: 75
 2001-06-25 07:32:19 +00:00
Chris Lattner 31e23cdeb4 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 7221d33514 * 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 c3a6f546de 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 ed59025460 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 601012721c New file due to the Intervals.h splitup 
llvm-svn: 66
 2001-06-24 04:07:44 +00:00
Chris Lattner f64a8936e5 #include a different header due to Intervals.h splitting up 
llvm-svn: 63
 2001-06-24 04:05:45 +00:00
Chris Lattner dec727e346 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 4c16155c36 Prepare for split between Interval, IntervalIterator, and IntervalIPartition 
llvm-svn: 60
 2001-06-24 03:25:01 +00:00
Chris Lattner 4c4f178723 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 34b62a04b6 Interval::HeaderNode is now accessed thorugh an accessor function 
llvm-svn: 56
 2001-06-22 02:23:39 +00:00
Chris Lattner 4b94e23bd0 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 b20a15d334 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 d79faa35af Implement the new Interval::isLoop method 
Implement destructor to free memory

llvm-svn: 51
 2001-06-21 05:26:15 +00:00
Chris Lattner 778de94723 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 f86e38e452 Add capability to print a derived interval graph 
llvm-svn: 42
 2001-06-20 22:44:38 +00:00
Chris Lattner 5035efaeda Add capability to build a derived interval graph 
llvm-svn: 41
 2001-06-20 22:44:32 +00:00
Chris Lattner 28ae5cbcb5 Initial Checking of Interval handling code 
llvm-svn: 39
 2001-06-20 20:09:55 +00:00
Chris Lattner d286a997d3 Add a test case for interval code 
llvm-svn: 36
 2001-06-20 19:27:11 +00:00
Chris Lattner 5ba5f88c35 Updates to work with new cfg namespace 
llvm-svn: 29
 2001-06-13 19:55:22 +00:00
Chris Lattner 874ddadf72 Updates to support 
* Changes in PHI node structure

llvm-svn: 25
 2001-06-11 15:04:40 +00:00
Chris Lattner 931ef3bf05 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 5f46e8c9da 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 7e0d6e05ac Updated to work with new CFG.h file. 
llvm-svn: 15
 2001-06-07 21:18:45 +00:00
Chris Lattner e6c4ea9861 Add extra method to PHI node class 
llvm-svn: 11
 2001-06-07 16:59:37 +00:00
Chris Lattner d821c2af37 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 a2f01878b7 Fixed to print slightly differently. Added use counts for labels 
llvm-svn: 9
 2001-06-07 16:58:55 +00:00
Chris Lattner e358b22776 Fixes for BB iterators, additional methods added for DCE pass 
llvm-svn: 8
 2001-06-07 16:58:36 +00:00
Chris Lattner 2f7c963559 Initial revision 
llvm-svn: 2
 2001-06-06 20:29:01 +00:00