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Commit Graph

32 Commits

Author SHA1 Message Date
Chris Lattner
80c9d7c165 Don't clean out the type plane of the constant pool... this is a hack. FIXME
llvm-svn: 172
2001-07-09 19:38:52 +00:00
Chris Lattner
3b66715c67 Implement checking for new instructions
llvm-svn: 163
2001-07-08 21:18:49 +00:00
Chris Lattner
acc906f1de Use the CDG to mark branches alive on demand.
llvm-svn: 159
2001-07-08 18:38:36 +00:00
Chris Lattner
7a7ddef47e Neg instruction removed. Cast instruction implemented.
llvm-svn: 156
2001-07-08 04:57:15 +00:00
Chris Lattner
c00392210d 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
6f7587e4d3 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
dab02ca9e0 Add method to unify all exit nodes of a method
llvm-svn: 143
2001-07-06 16:58:36 +00:00
Chris Lattner
e28135f621 Update to include right file
llvm-svn: 138
2001-07-06 16:32:07 +00:00
Chris Lattner
d4e8817fd9 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
c4e564a84c Rename DoSparseConditionalConstantProp -> DoSCCP
llvm-svn: 117
2001-06-30 06:37:43 +00:00
Chris Lattner
0815f96a2f 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
fd733edaa7 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
81bbbcfe1f Added documentation. Constant fold terminators.
llvm-svn: 106
2001-06-29 23:56:23 +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
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
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
725a64614c Implement induction variable injection!
llvm-svn: 75
2001-06-25 07:32:19 +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
89a7836d09 #include a different header due to Intervals.h splitting up
llvm-svn: 63
2001-06-24 04:05:45 +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
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
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
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
5975876e9b Updated to work with new CFG.h file.
llvm-svn: 15
2001-06-07 21:18:45 +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
e6b9b382e2 Initial revision
llvm-svn: 2
2001-06-06 20:29:01 +00:00