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155 Commits

Author SHA1 Message Date
Chris Lattner 24c1d5e551 Rename llvm/Analysis/LiveVar/FunctionLiveVarInfo.h -> llvm/CodeGen/FunctionLiveVarInfo.h 
llvm-svn: 5284
 2003-01-14 23:05:08 +00:00
Chris Lattner b4d58d7f9e Rename MachineInstrInfo -> TargetInstrInfo 
llvm-svn: 5272
 2003-01-14 22:00:31 +00:00
Chris Lattner f9781b59ab More renamings of Target/Machine*Info to Target/Target*Info 
llvm-svn: 5204
 2002-12-29 03:13:05 +00:00
Chris Lattner 36051c0c56 Move function to cpp file from header 
llvm-svn: 4510
 2002-11-02 22:07:51 +00:00
Chris Lattner dcf31cec85 New iostream definitions 
llvm-svn: 4482
 2002-11-01 16:46:05 +00:00
Chris Lattner 967c38f4c5 Remove usage of MachineBasicBlock::get 
llvm-svn: 4341
 2002-10-28 18:50:08 +00:00
Chris Lattner 881d8b3410 Make Scheduling Class variables be 'unsigned' instead of 'int' 
llvm-svn: 4333
 2002-10-28 04:53:02 +00:00
Chris Lattner 6a30b02b1d Rename the redundant MachineOperand::getOperandType() to MachineOperand::getType() 
llvm-svn: 4331
 2002-10-28 04:45:29 +00:00
Chris Lattner 9668c8c8db Add #includes now that MachineInstr.h doesn't include llvm/Target/MachineInstrInfo.h 
llvm-svn: 4327
 2002-10-28 02:28:39 +00:00
Chris Lattner 94a4f22573 Don't #include <Support/*>, #include "Support/*" 
llvm-svn: 4325
 2002-10-28 02:11:53 +00:00
Chris Lattner 2a3bd1c562 *** empty log message *** 
llvm-svn: 4323
 2002-10-28 02:01:37 +00:00
Chris Lattner 8710aab04c Rename MachineCodeForBasicBlock to MachineBasicBlock 
llvm-svn: 4318
 2002-10-28 01:41:47 +00:00
Misha Brukman 7ae7f84cf3 Changed `MachineCodeForMethod' to `MachineFunction'. 
llvm-svn: 4301
 2002-10-28 00:28:31 +00:00
Chris Lattner e97144120d Tell PassManager that this pass does not invalidate the CFG so that dominator 
information and Loop info will not have to be recomputed after this runs.

llvm-svn: 4269
 2002-10-23 03:30:47 +00:00
Vikram S. Adve 9e5eb46362 Use vectors instead of hash_maps for issueGaps and conflictLists. 
These hash lookups were a major sink of time because they happen so often!
Also, add option to disable scheduling.

llvm-svn: 4138
 2002-10-13 00:40:37 +00:00
Vikram S. Adve f8c6e3db55 Major bug fix: was not adding CD edges for RETURNs! 
llvm-svn: 4137
 2002-10-13 00:39:22 +00:00
Chris Lattner 02e7a86fec * Removed extraneous #includes 
* Fixed file headers to be consistent with the rest of LLVM
* Other minor fixes

llvm-svn: 3277
 2002-08-09 20:08:03 +00:00
Chris Lattner e08000ac9f Very minor cleanups 
llvm-svn: 3271
 2002-08-09 18:55:18 +00:00
Chris Lattner f0ed55d1ee - Cleaned up the interface to AnalysisUsage to take analysis class names 
instead of ::ID's.
 - Pass::getAnalysis<> now no longer takes an optional argument

llvm-svn: 3265
 2002-08-08 19:01:30 +00:00
Chris Lattner e38dce72a7 Refix stuff for GCC 2.95, 3.0.4 & 3.1 
llvm-svn: 3094
 2002-07-25 18:04:48 +00:00
Mehwish Nagda 7a167de851 now removes deleted nops from MachineCodeForInstruction 
llvm-svn: 3090
 2002-07-25 17:31:05 +00:00
Chris Lattner 10073a9080 *** empty log message *** 
llvm-svn: 3075
 2002-07-25 06:17:51 +00:00
Chris Lattner 6c21f2454b *** empty log message *** 
llvm-svn: 3058
 2002-07-24 21:21:33 +00:00
Chris Lattner e98dd5fcac *** empty log message *** 
llvm-svn: 3056
 2002-07-24 21:21:32 +00:00
Chris Lattner f5cad15a67 *** empty log message *** 
llvm-svn: 2985
 2002-07-22 02:10:13 +00:00
Vikram S. Adve 19c55db0d9 A single MachineInstr operand may now be both a def and a use, 
so additional dep. edges have to be added.
This was needed to correctly handle conditional move instructions!
MachineCodeForBasicBlock is now an annotation on BasicBlock.
Renamed "earliestForNode" to "earliestReadyTimeForNode".

llvm-svn: 2826
 2002-07-08 22:59:23 +00:00
Chris Lattner 113f4f4609 MEGAPATCH checkin. 
For details, See: docs/2002-06-25-MegaPatchInfo.txt

llvm-svn: 2779
 2002-06-25 16:13:24 +00:00
Chris Lattner afc86e9a35 Move debug options out of header files so that the header does not have 
to #include CommandLine.h.

llvm-svn: 2712
 2002-05-22 17:08:27 +00:00
Chris Lattner 99bd13b415 Hide debugging options 
llvm-svn: 2676
 2002-05-20 21:39:10 +00:00
Chris Lattner d5a847057b Eliminate duplicate or unneccesary #include's 
llvm-svn: 2397
 2002-04-29 17:42:12 +00:00
Chris Lattner 37104aace8 Add new optional getPassName() virtual function that a Pass can override 
to make debugging output a lot nicer.

llvm-svn: 2395
 2002-04-29 14:57:45 +00:00
Chris Lattner f998685cd9 s/Method/Function 
llvm-svn: 2336
 2002-04-27 07:27:19 +00:00
Chris Lattner c8e665431b * Rename MethodPass class to FunctionPass 
- Rename runOnMethod to runOnFunction
* Transform getAnalysisUsageInfo into getAnalysisUsage
  - Method is now const
  - It now takes one AnalysisUsage object to fill in instead of 3 vectors
    to fill in
  - Pass's now specify which other passes they _preserve_ not which ones
    they modify (be conservative!)
  - A pass can specify that it preserves all analyses (because it never
    modifies the underlying program)
* s/Method/Function/g in other random places as well

llvm-svn: 2333
 2002-04-27 06:56:12 +00:00
Chris Lattner 99ac15d154 No need to reserve space, erasing does not change the size of the container. 
llvm-svn: 2201
 2002-04-09 18:01:21 +00:00
Chris Lattner e8a1a44dd4 * Add a file header with some information 
* Delete the DelaySlotInfo objects created by the SchedulingManager class.
  These leaked objects were accounting for 3/4 of the memory leaked by the
  backend, so this is a relatively major win.
* Reorganize SchedulingManager::getDelaySlotInfoForInstr so that it has
  better code locality (making it easier to read).

llvm-svn: 2197
 2002-04-09 05:45:58 +00:00
Chris Lattner 6c1a58d6ba Clean up the ownership model a bit so that nodes actually get deleted more 
frequently. This still leaks edges quite a bit, but it leaks no nodes
(I think).

llvm-svn: 2190
 2002-04-09 05:15:33 +00:00
Chris Lattner f739fa8541 s/Method/Function 
llvm-svn: 2180
 2002-04-08 22:03:57 +00:00
Chris Lattner 62b7fd136e Change references to the Method class to be references to the Function 
class.  The Method class is obsolete (renamed) and all references to it
are being converted over to Function.

llvm-svn: 2144
 2002-04-07 20:49:59 +00:00
Vikram S. Adve 479126b3d3 Use deterministic iterator for SchedGraphs. This is actually not 
useful right now when we only do local scheduling.

llvm-svn: 1975
 2002-03-24 03:53:03 +00:00
Vikram S. Adve 9db158f568 Bug fix: nextToTry was not being initialized in one case. 
llvm-svn: 1974
 2002-03-24 03:46:15 +00:00
Vikram S. Adve e2a0dfad64 Add option to disable scheduling. 
llvm-svn: 1973
 2002-03-24 03:45:35 +00:00
Vikram S. Adve c228f7a077 Add option to disable scheduling. 
Destroy live-variable information after scheduling so it is
recomputed before later phases (e.g., reg. allocation).
Use deterministic iterator to enumerate sched graphs.

llvm-svn: 1972
 2002-03-24 03:44:55 +00:00
Vikram S. Adve 90039d0ab9 Minor changes. 
llvm-svn: 1971
 2002-03-24 03:40:59 +00:00
Chris Lattner 4e8c4877aa Rename Method to Function 
llvm-svn: 1957
 2002-03-23 22:51:58 +00:00
Anand Shukla ef5631efba Change to make it build with GCC 2.95.3 
llvm-svn: 1802
 2002-02-26 18:57:15 +00:00
Chris Lattner 29a5df81e4 * Silence signed/unsigned warnings 
* Make it compile with GCC 3.0.4

llvm-svn: 1787
 2002-02-24 23:01:50 +00:00
Chris Lattner 83d485b310 * Pull BasicBlock::pred_* and BasicBlock::succ_* out of BasicBlock.h and into 
llvm/Support/CFG.h
* Make pred & succ iterators for intervals global functions
* Add #includes that are now neccesary because BasicBlock.h doesn't include
  InstrTypes.h anymore

llvm-svn: 1750
 2002-02-12 22:39:50 +00:00
Chris Lattner 60a6591d83 Method.h no longer includes BasicBlock.h 
Method::inst_* is now in llvm/Support/InstIterator.h
GraphTraits specializations for BasicBlock and Methods are now in llvm/Support/CFG.h

llvm-svn: 1746
 2002-02-12 21:07:25 +00:00
Chris Lattner ea13e0afa0 Convert operand iterator over to work like an STL iterator 
llvm-svn: 1720
 2002-02-05 06:02:59 +00:00
Chris Lattner 7e5ee4253c Minor change: Methods that return ValueSet's that are guaranteed to be valid 
return references instead of pointers.

llvm-svn: 1719
 2002-02-05 04:20:12 +00:00
Chris Lattner b1def732af * Eliminate the LiveVarSet class, making applyTranferFuncForMInst a static 
function in the one .cpp file that uses it.  Use ValueSet's instead.
* Prepare to delete LiveVarSet.h & LiveVarSet.cpp
* Eliminate the ValueSet class, making all old member functions into global
  templates that will eventually be moved to Support.

llvm-svn: 1711
 2002-02-05 02:51:01 +00:00
Chris Lattner 3da53ad636 * Add a #include not indirectly included any more 
llvm-svn: 1707
 2002-02-05 00:35:14 +00:00
Chris Lattner 6974172717 * The itf exposed by InstrScheduling is now a single function to create the right pass 
* InstructionScheduling is now a real pass
* InstrSched _uses_ LiveVar analysis, instead of creating it's own copy many times
  through a loop.  In this was LiveVarAnalysis is actually even SHARED by Register
  allocation.
* SchedPriorities is now passed the live var information in

llvm-svn: 1700
 2002-02-04 20:02:16 +00:00
Chris Lattner e630ac9330 Remove dependence on BBLiveVar from InstrScheduling 
Minor cleanups

llvm-svn: 1688
 2002-02-04 16:35:45 +00:00
Chris Lattner a8171dd554 Move instrIsFeasible from InstrScheduling.h 
llvm-svn: 1674
 2002-02-04 05:55:42 +00:00
Chris Lattner 720bc02f18 * Move command line parsing debug stuff to InstrScheduling internal header file 
SchedPriorities.h

llvm-svn: 1669
 2002-02-04 02:44:20 +00:00
Chris Lattner 02d8e37cae Remove extraneous #includes 
llvm-svn: 1645
 2002-02-03 07:30:08 +00:00
Chris Lattner a17c469136 * Straighten out #includes 
* Switch from MachineCodeForVMInstr to MachineCodeForInstruction model

llvm-svn: 1644
 2002-02-03 07:29:45 +00:00
Chris Lattner 7c9c85947c * Get machine instrs from Instructin's by using MachineCodeForInstruction::get 
* Convert a few (*X). to X->

llvm-svn: 1643
 2002-02-03 07:28:30 +00:00
Chris Lattner 447fd86599 Make it build with 2.95.3 
llvm-svn: 1554
 2002-01-23 05:47:57 +00:00
Chris Lattner 7f74a56e24 Changes to build successfully with GCC 3.02 
llvm-svn: 1503
 2002-01-20 22:54:45 +00:00
Chris Lattner 2413b160ec Renamed inst_const_iterator -> const_inst_iterator 
Renamed op_const_iterator   -> const_op_iterator
Renamed PointerType::getValueType() -> PointerType::getElementType()

llvm-svn: 1408
 2001-12-04 00:03:30 +00:00
Chris Lattner 5de2204fe8 Create a new #include "Support/..." directory structure to move things 
from "llvm/Support/..." that are not llvm dependant.

Move files and fix #includes

llvm-svn: 1400
 2001-11-27 00:03:19 +00:00
Chris Lattner 0c8eea1b6f Stuff after a #endif is not valid CPP input and breaks some compilers 
llvm-svn: 1375
 2001-11-26 18:56:52 +00:00
Vikram S. Adve 03fae5e5db Eliminate most uses of the machine instruction vector for each LLVM instr, 
since some m. instr. may be generated by LLVM instrs. in other blocks.
Handle non-SSA (anti and output) edges and true edges uniformly by
working with machine instructions alone.

llvm-svn: 1269
 2001-11-12 18:53:43 +00:00
Vikram S. Adve dff0a891c1 Major improvement to how nodes are built for a BB. 
LLVM instruction is no longer recorded in each node, but BB is.

llvm-svn: 1262
 2001-11-12 14:18:01 +00:00
Vikram S. Adve 6cd83556e6 Only add true dep. edges from an earlier to a later instruction. 
This wasn't a problem until we started putting copies for Phi values
that produced cycles in the SchedGraph!

llvm-svn: 1254
 2001-11-11 01:23:27 +00:00
Vikram S. Adve 313a36f2d3 Use node->getOpCode() instead of node->getMachineInstr()->getOpCode(). 
Much nicer.

llvm-svn: 1223
 2001-11-09 02:14:20 +00:00
Vikram S. Adve 621b90440b Major change to how defs are found when adding dependences (they 
are now found as part of the initial walk of the machine code).
Also memory load/store instructions can be generated for non-memory
LLVM instructions, which wasn't handled before.  It is now.

llvm-svn: 1199
 2001-11-08 05:20:23 +00:00
Vikram S. Adve 80310bba37 MachineCodeForMethod is now an annotation on class Method. 
llvm-svn: 1198
 2001-11-08 05:18:18 +00:00
Vikram S. Adve 596721384b Modified graph construction to use one pass to find all defs. 
Avoids having to handle some special cases that cause complex interactions
with instr. selection.

llvm-svn: 1138
 2001-11-05 04:04:23 +00:00
Vikram S. Adve 979800ede8 Allow combinations of True/Anti/Output flags for each edge to 
support, e.g., dependences on Call instructions.

llvm-svn: 1009
 2001-10-28 21:45:02 +00:00
Vikram S. Adve df6913549a Add edges between call instructions and (a) load/store instructions, and 
(b) any instructions that use or set CC registers.  Whether or not the
latter are needed really should be machine-dependent.

llvm-svn: 1008
 2001-10-28 21:43:33 +00:00
Vikram S. Adve 9a6457388f Modify code that processes delay slots so that it preserves any 
useful instructions already inserted into delay slots.

llvm-svn: 945
 2001-10-22 13:49:27 +00:00
Vikram S. Adve ad97e4ed84 Separate VM instruction that generates the instructions that compute a value 
from the value itself (the one causing an edge) because the latter may be
a temporary used within the instruction sequence for the VM instruction.

llvm-svn: 858
 2001-10-17 23:55:16 +00:00
Vikram S. Adve 59cbb6498c *** empty log message *** 
llvm-svn: 857
 2001-10-17 23:53:16 +00:00
Chris Lattner 2b3369567e * Fix privacy issues on RegToRefVecMap 
* Fix initialization order problems...

llvm-svn: 762
 2001-10-13 06:51:01 +00:00
Vikram S. Adve 1235b330f7 Add graph edges due to implicit refs in each machine instruction. 
llvm-svn: 724
 2001-10-11 04:22:45 +00:00
Vikram S. Adve d50b665acf Don't insert useful instructions in delay slot of a RETURN. 
llvm-svn: 721
 2001-10-10 20:58:11 +00:00
Chris Lattner da55810666 Commit more code over to new cast style 
llvm-svn: 697
 2001-10-02 03:41:24 +00:00
Chris Lattner 3856934386 Convert more code to use new style casts 
Eliminate old style casts from value.h

llvm-svn: 696
 2001-10-01 20:11:19 +00:00
Chris Lattner 4b717c0edc Add support for new style casts 
llvm-svn: 694
 2001-10-01 16:18:37 +00:00
Vikram S. Adve 819635eb7c Bug fixes: 
(1) Ensure that delay slot instructions are not moved out of place (this
    was happening for some CALL instructions).  Basically, we need to
    move all delay slot instructions out of the graph and handle them
    along with the delayed control transfer instruction.
(2) Mark scheduled instructions correctly when instructions are scheduled
    in more than one cycle in a single step (due to delay slots).

llvm-svn: 678
 2001-09-30 23:43:34 +00:00
Vikram S. Adve f734fc2af7 Minor changes for bug fixes in SchedGraph.cpp. 
llvm-svn: 677
 2001-09-30 23:37:26 +00:00
Vikram S. Adve 2b2ca42761 Two bug fixes: 
(1) Add edges for Values that are written by multiple m/c instructions
(2) Add edges for LLVM operands that are not machine operands (e.g., Call args)

llvm-svn: 676
 2001-09-30 23:36:58 +00:00
Chris Lattner bb09a10929 Pull iterators out of CFG.h and CFGdecls and put them in Support directory 
llvm-svn: 664
 2001-09-28 22:56:31 +00:00
Vikram S. Adve 8656a80661 Format file header. 
llvm-svn: 611
 2001-09-18 12:52:03 +00:00
Vikram S. Adve 703297cf24 Add new entry/exit edges when removing delay slot nodes from the graph. 
Renamed some header files.

llvm-svn: 610
 2001-09-18 12:51:38 +00:00
Vikram S. Adve 3e8029dc07 Moved erase edge functions to class SchedGraph. 
Add new dummy edges when deleting existing edges.

llvm-svn: 609
 2001-09-18 12:50:40 +00:00
Vikram S. Adve 270766a210 Renamed some header files. 
llvm-svn: 608
 2001-09-18 12:49:39 +00:00
Vikram S. Adve fa64a35a01 Moved erase-edge functions from SchedGraphNode to SchedGraph. 
Renamed some header files.

llvm-svn: 607
 2001-09-18 12:49:26 +00:00
Chris Lattner 7f155e10f6 Add a forward decl, oops. 
llvm-svn: 573
 2001-09-14 17:55:51 +00:00
Chris Lattner 8d44b99844 Chris seems fond of #include <vector>. Fix these. Also convert use list in 
Value to a vector instead of a list.

Move SchedGraph.h & SchedPriorities.h into lib/CodeGen/InstrScheduling

llvm-svn: 572
 2001-09-14 16:56:32 +00:00
Chris Lattner 87b3bf630b Split Target/Machine.h into three files: 
* Machine.h
* InstInfo.h
* SchedInfo.h

TODO: Split out reg info stuff
llvm-svn: 567
 2001-09-14 06:08:03 +00:00
Chris Lattner 22a6a90511 Make a new llvm/Target #include directory. 
Move files from lib/CodeGen/TargetMachine to lib/Target
Move TargetData.h and TargetMachine.h to Target/{Data.h|Machine.h}
Prepare to split TargetMachine.h into several smaller files

llvm-svn: 566
 2001-09-14 05:34:53 +00:00
Chris Lattner f8464e4b8d Checkin changes to: 
1. Clean up the TargetMachine structure.  No more wierd pointers that have to
   be cast around and taken care of by the target.
2. Instruction Scheduling now takes the schedinfo as an argument.  The same
   should be done with the instinfo, it just isn't now.

llvm-svn: 565
 2001-09-14 04:32:55 +00:00
Chris Lattner 44a45af61b Use predicate for Value type test 
llvm-svn: 540
 2001-09-10 20:09:28 +00:00
Chris Lattner facf074632 I really don't like it when people break the build. 
llvm-svn: 510
 2001-09-09 19:41:52 +00:00
Chris Lattner e99c9acb84 Remove unneeded #includes 
llvm-svn: 489
 2001-09-07 21:22:28 +00:00
Chris Lattner b7d0c37f5c Remove unnecesary #include add dump calls pulled out of .h file 
llvm-svn: 488
 2001-09-07 21:21:03 +00:00