Chris Lattner
033324fc0c
Avoid making a broken transformation!
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llvm-svn: 1115
2001-11-03 21:30:22 +00:00
Chris Lattner
7567f6c15f
Expose the low level DCE mechanism to external users
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Refactor code to support it
llvm-svn: 1083
2001-11-01 07:00:27 +00:00
Chris Lattner
04648a4cc6
Simplify DCE code a lot
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llvm-svn: 1079
2001-11-01 05:55:29 +00:00
Chris Lattner
7e6a0d8c17
Use the correct prototype for malloc and free
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llvm-svn: 1066
2001-10-31 06:36:23 +00:00
Chris Lattner
9db8b765cd
Implemented constant propogation of cast instructions
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llvm-svn: 1064
2001-10-31 05:07:57 +00:00
Chris Lattner
6fea0324d7
Convert to new simpler pass itf
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llvm-svn: 880
2001-10-18 05:27:33 +00:00
Chris Lattner
5398a6eb6c
Convert optimizations to the pass infrastructure
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llvm-svn: 873
2001-10-18 01:32:34 +00:00
Chris Lattner
1bb5f8e4ee
Add new Pass infrastructure and some examples
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llvm-svn: 836
2001-10-15 17:31:51 +00:00
Chris Lattner
f0b68888af
Support the invoke instruction
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llvm-svn: 765
2001-10-13 06:52:41 +00:00
Chris Lattner
da55810666
Commit more code over to new cast style
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llvm-svn: 697
2001-10-02 03:41:24 +00:00
Chris Lattner
3856934386
Convert more code to use new style casts
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Eliminate old style casts from value.h
llvm-svn: 696
2001-10-01 20:11:19 +00:00
Chris Lattner
8f19112923
Add more support for new style casts
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Convert more code to use them
llvm-svn: 695
2001-10-01 18:26:53 +00:00
Chris Lattner
4b717c0edc
Add support for new style casts
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llvm-svn: 694
2001-10-01 16:18:37 +00:00
Chris Lattner
ba1c1f2fb6
Pull predecessor and successor iterators out of the CFG*.h files, and plop them into
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the BasicBlock class where they should be. pred_begin/pred_end become methods on BasicBlock,
and the cfg namespace isn't used anymore.
llvm-svn: 691
2001-10-01 13:19:53 +00:00
Chris Lattner
bb09a10929
Pull iterators out of CFG.h and CFGdecls and put them in Support directory
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llvm-svn: 664
2001-09-28 22:56:31 +00:00
Chris Lattner
b271be3185
ADCE is broken but at least we know why
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llvm-svn: 656
2001-09-28 00:06:42 +00:00
Chris Lattner
acfd27d502
Make ADCE more robust, it still has problems, but it's getting closer
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llvm-svn: 521
2001-09-09 22:26:47 +00:00
Chris Lattner
d707ec62b6
Types and constants are wierd things in symbol tables now
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llvm-svn: 457
2001-09-07 16:43:50 +00:00
Chris Lattner
dae05dc937
* Eliminate reference to ConstantPool class
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* Constants are global objects that are not allocated or freed
llvm-svn: 456
2001-09-07 16:43:22 +00:00
Chris Lattner
6d7bce9f3c
Constants are now global unique objects
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llvm-svn: 454
2001-09-07 16:42:26 +00:00
Chris Lattner
07e158de3c
* Eliminate constant pool dependancies:
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* Eliminate DoRemoveUnusedConstants
llvm-svn: 453
2001-09-07 16:42:08 +00:00
Chris Lattner
030772df99
* Supoprt global constants
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* Remove support for local constant pools
* Eliminate constant pool merging method, which is no longer neccesary
* Disable invalid optimization (todo: fix it)
llvm-svn: 452
2001-09-07 16:41:30 +00:00
Chris Lattner
b62b602fe2
Enable the elimination of method prototypes that are not referenced
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llvm-svn: 325
2001-07-28 17:51:49 +00:00
Chris Lattner
e2472bbf6c
Moved inline/llvm/Tools/* to include/llvm/Support/*
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llvm-svn: 279
2001-07-23 17:46:59 +00:00
Chris Lattner
3e37ec7c0a
Support external methods
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llvm-svn: 200
2001-07-15 21:43:45 +00:00
Chris Lattner
5451c9e977
Add knowledge about the struct form of the GetElementPtr instruction
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llvm-svn: 183
2001-07-14 06:11:51 +00:00
Chris Lattner
5b1200bf8e
Remove dependency on the structure of ValueHolder.
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llvm-svn: 182
2001-07-14 06:11:26 +00:00
Chris Lattner
d6c5a769ea
Don't clean out the type plane of the constant pool... this is a hack. FIXME
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llvm-svn: 172
2001-07-09 19:38:52 +00:00
Chris Lattner
31feae8550
Implement checking for new instructions
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llvm-svn: 163
2001-07-08 21:18:49 +00:00
Chris Lattner
fb8ed0cf3a
Use the CDG to mark branches alive on demand.
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llvm-svn: 159
2001-07-08 18:38:36 +00:00
Chris Lattner
a682182f64
Neg instruction removed. Cast instruction implemented.
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llvm-svn: 156
2001-07-08 04:57:15 +00:00
Chris Lattner
b1ca9cbceb
Broad superficial changes:
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* 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
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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
8024bde7c7
Update to include right file
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llvm-svn: 138
2001-07-06 16:32:07 +00:00
Chris Lattner
b28986ffc7
Initial checkin. Should print dead instructions, except it doesn't do
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control dependencies. :(
llvm-svn: 119
2001-06-30 06:39:11 +00:00
Chris Lattner
1960b3c6d2
Rename DoSparseConditionalConstantProp -> DoSCCP
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llvm-svn: 117
2001-06-30 06:37:43 +00:00
Chris Lattner
d42d492734
Optimizations got their own header files
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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
7ce8b17e60
Export ConstantFoldTerminator, allow it to fold conditional branches to
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the same label.
llvm-svn: 107
2001-06-29 23:56:58 +00:00
Chris Lattner
10b250eb4d
Added documentation. Constant fold terminators.
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llvm-svn: 106
2001-06-29 23:56:23 +00:00
Chris Lattner
84f07396d3
* 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
e4abb60948
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
4cee8d8ffb
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
347389dae8
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
1a67fb8860
Misc cleanup
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llvm-svn: 91
2001-06-27 23:36:09 +00:00
Chris Lattner
f222bf33c3
* 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
dbdaaef7d5
Implement induction variable injection!
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llvm-svn: 75
2001-06-25 07:32:19 +00:00
Chris Lattner
c3a6f546de
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
f64a8936e5
#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
4c4f178723
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
b20a15d334
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
778de94723
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
f86e38e452
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
d286a997d3
Add a test case for interval code
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llvm-svn: 36
2001-06-20 19:27:11 +00:00
Chris Lattner
5ba5f88c35
Updates to work with new cfg namespace
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llvm-svn: 29
2001-06-13 19:55:22 +00:00
Chris Lattner
874ddadf72
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
7e0d6e05ac
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
d821c2af37
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
2f7c963559
Initial revision
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llvm-svn: 2
2001-06-06 20:29:01 +00:00