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314 Commits

Author SHA1 Message Date
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 d30f989cda * Code Cleanups 
* Removal dependencies on Type.h & remove uses of getTypeID()

llvm-svn: 1718
 2002-02-05 03:52:29 +00:00
Chris Lattner f1223ace96 * Code Cleanups of IGNode.h 
* Removal of getTypeID() methods, and dependence on llvm/Type.h, from IGNode & LiveRange

llvm-svn: 1717
 2002-02-05 03:51:37 +00:00
Chris Lattner 101a5d9197 Must include SetOperations to do set_* 
llvm-svn: 1716
 2002-02-05 03:35:53 +00:00
Chris Lattner b0af9cdbda * 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.
* Eliminate some irrelevant const's

llvm-svn: 1712
 2002-02-05 02:52:05 +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 30e8fb69c5 * Code Cleanups 
* Introduce RAV to allow stream I/O instead of using printValue

llvm-svn: 1710
 2002-02-05 01:43:49 +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 aa7a151874 * RegisterAllocation _uses_ LiveVar analysis, instead of creating it's own copy 
llvm-svn: 1701
 2002-02-04 20:02:38 +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 347a23921a Switch register allocator over to using LoopInfo directly instead of indirectly through LoopDepthCalculator 
llvm-svn: 1696
 2002-02-04 17:48:00 +00:00
Chris Lattner 8a352d597c Make LoopDeptCalculator be an internal artifact of how RegAlloc is implemented, 
do not expose it.  Additionally, have it be auto generated by the pass framework
for us.

llvm-svn: 1695
 2002-02-04 17:39:42 +00:00
Chris Lattner 669a74ce8a Make #include "llvm/Analysis/LoopDepth.h" be an internal artifact of how register allocation is implemented. 
llvm-svn: 1693
 2002-02-04 17:38:48 +00:00
Chris Lattner 83a8434eb2 * Add #includes removed from headers 
* ValueSet interface converted from add/remove to insert/erase
* Minor cleanups

llvm-svn: 1689
 2002-02-04 16:36:59 +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 f48173a875 Convert RegisterAllocator interface to opaque pass type, so that users do not 
need to know _anything_ about RegAlloc to use it.  Well in the end maybe.

llvm-svn: 1681
 2002-02-04 15:54:09 +00:00
Chris Lattner 49562d8442 Add #includes neccesary since they were removed from .h files 
llvm-svn: 1675
 2002-02-04 05:56:09 +00:00
Chris Lattner a8171dd554 Move instrIsFeasible from InstrScheduling.h 
llvm-svn: 1674
 2002-02-04 05:55:42 +00:00
Chris Lattner b0da8b2de1 * Minor cleanups 
* Reduce number of #includes, sometimes drastically (LiveRangeInfo.h lost _7_)
* Move instrIsFeasible() from InstrScheduling.h to SchedPriorities.h
* Delete blank lines at end of files

llvm-svn: 1672
 2002-02-04 05:52:08 +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 36aa542ef0 Split RegisterAllocation stuff OUT of Sparc.cpp into a well defined pass 
that has a very minimal interface (like it should have).

llvm-svn: 1667
 2002-02-04 00:33:08 +00:00
Chris Lattner eda6bd71a0 Code pulled out of MAchineInstr.(h|cpp) 
llvm-svn: 1660
 2002-02-03 07:54:50 +00:00
Chris Lattner abafc3bc70 Lots of code cleanups, no functional changes 
llvm-svn: 1650
 2002-02-03 07:46:34 +00:00
Chris Lattner 4cec147d4e * Prune #includes 
* Remove MachineCodeFor(Method|VMInstr) code to their own .cpp files

llvm-svn: 1649
 2002-02-03 07:46:01 +00:00
Chris Lattner b86d191dbe * Switch over to cleaner TmpInstruction model 
llvm-svn: 1648
 2002-02-03 07:39:06 +00:00
Chris Lattner e59929f7b2 * Straighten out #includes 
* Switch to MAchineCodeForInstruction model instead of MachineCodeForVMInstr

llvm-svn: 1647
 2002-02-03 07:33:46 +00:00
Chris Lattner 0068ea26d7 * Swich to annotation model for MachineCodeForInstruction 
llvm-svn: 1646
 2002-02-03 07:31:41 +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 6316f38c96 Add a class forward decl 
llvm-svn: 1637
 2002-02-03 07:13:04 +00:00
Chris Lattner 9fcaf328f6 LoopDepth calculation is now in CFG namespace 
llvm-svn: 1601
 2002-01-31 00:41:13 +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 73da1cea60 Oops lost a parenthesis somehow :( 
llvm-svn: 1504
 2002-01-21 01:33:12 +00:00
Chris Lattner 7f74a56e24 Changes to build successfully with GCC 3.02 
llvm-svn: 1503
 2002-01-20 22:54:45 +00:00
Ruchira Sasanka bc28455806 Fixed a bug in spill cost estimation 
llvm-svn: 1500
 2002-01-08 16:29:23 +00:00
Ruchira Sasanka a42a7e78b6 PhyRegAlloc.cpp: Added temp area resetting before every call 
llvm-svn: 1499
 2002-01-07 21:09:06 +00:00
Ruchira Sasanka 8c2d8256a9 Added destructors and comments. 
Added correct spill candidate selection logic.

llvm-svn: 1493
 2002-01-07 19:19:18 +00:00
Ruchira Sasanka f20079dfed Added comments, destructors where necessary. 
llvm-svn: 1491
 2002-01-07 19:16:26 +00:00
Vikram S. Adve cb2335f13f Eliminate all uses of memInst->getIndicesBROKEN(). 
llvm-svn: 1485
 2001-12-15 00:36:32 +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 3462ae3ad7 Rename ConstPoolVal -> Constant 
Rename ConstPool*   -> Constant*
Rename ConstPoolVals.h -> ConstantVals.h

llvm-svn: 1407
 2001-12-03 22:26:30 +00:00
Chris Lattner fb5ae02e1a Split the PHINode class out from the iOther.h file into the iPHINode.h file 
llvm-svn: 1405
 2001-12-03 18:02:31 +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
Chris Lattner 63b52693c8 The old getIndices has been deprecated, because it no longer works. It now 
is named getIndicesBROKEN() and shall be removed when the codebase is updated
to not call it

llvm-svn: 1338
 2001-11-26 16:56:19 +00:00
Ruchira Sasanka 7dfa1650a2 Commented some popTempArg.. since it leads to a bug 
llvm-svn: 1326
 2001-11-15 22:02:06 +00:00
Ruchira Sasanka ec62f24009 Added naming to inserted phi copy values - for easy debugging 
llvm-svn: 1325
 2001-11-15 20:46:40 +00:00
Ruchira Sasanka 9066899a78 Fixed a bug in setReLRegsUsedByMI 
llvm-svn: 1323
 2001-11-15 20:23:19 +00:00
Ruchira Sasanka dec9bfd554 Changed some names of methods, added const etc. 
llvm-svn: 1322
 2001-11-15 20:22:37 +00:00
Vikram S. Adve fbb8a64749 Modify AllocateLocalVar method to take a size argument. 
llvm-svn: 1318
 2001-11-15 15:22:26 +00:00
Ruchira Sasanka a514745a96 fixed setUsedRegAtMI 
llvm-svn: 1317
 2001-11-15 15:00:53 +00:00
Ruchira Sasanka c5989f645b Changed phi elimination code 
llvm-svn: 1311
 2001-11-15 00:27:14 +00:00
Ruchira Sasanka 64f7567391 Small changed to printing a machine operand - It the operand is a def, it prints 
a star after it - only for debugging

llvm-svn: 1309
 2001-11-14 20:05:23 +00:00
Vikram S. Adve cba86d060b Don't assume constant operand can only be in position 1! 
llvm-svn: 1308
 2001-11-14 18:49:45 +00:00
Vikram S. Adve 65d54eb06e Idiotic error in last fix. 
llvm-svn: 1306
 2001-11-14 17:55:02 +00:00
Vikram S. Adve c1b534043f Don't need to load a NULL pointer constant from memory! 
llvm-svn: 1305
 2001-11-14 17:24:49 +00:00
Ruchira Sasanka 7765ca8b25 Added support method for setting interference for pseudo instructions 
llvm-svn: 1303
 2001-11-14 15:37:13 +00:00
Ruchira Sasanka f1acecccb6 Added interference for args in pseudo instructions 
llvm-svn: 1300
 2001-11-14 15:33:58 +00:00
Chris Lattner 1237e86597 Remove much cruft from the MemAccessInst instruction 
llvm-svn: 1298
 2001-11-14 11:27:58 +00:00
Ruchira Sasanka 33c400f6a7 commented out lines printing code after scheduling 
llvm-svn: 1295
 2001-11-13 23:12:53 +00:00
Ruchira Sasanka 36f13d1c2f Fixed a bug concering LR spilling. Earlier, added spilled code was not inserted 
into the instruction stream correctly.

llvm-svn: 1294
 2001-11-13 23:09:30 +00:00
Vikram S. Adve dafc8b909e Do the same for allocating spills to get their alignment right too. 
llvm-svn: 1285
 2001-11-12 23:40:22 +00:00
Vikram S. Adve 6e9422e14c When allocating space on stack for writing a register, 
use the size of the register, not the size of the Value type,
to get the right alignment.

llvm-svn: 1284
 2001-11-12 23:26:35 +00:00
Vikram S. Adve 4b9c46da24 Bug fix in offset alignment computations: don't subtract the padding 
value from size *before* subtracting size from offset!

llvm-svn: 1283
 2001-11-12 23:26:23 +00:00
Ruchira Sasanka c189997516 For phi elimination, now we are generating only one instruction 
using cpValue2Value instead of
passing vector to createCopyInstructionByType.

llvm-svn: 1272
 2001-11-12 19:42:27 +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
Ruchira Sasanka 9f246e65d3 Added phi elimination code - not final 
llvm-svn: 1264
 2001-11-12 14:44:50 +00:00
Vikram S. Adve 6e004c0818 Improved printing routines. 
llvm-svn: 1263
 2001-11-12 14:19:47 +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 3b02a35a80 Adjust all stack variable offsets to be aligned by size. 
llvm-svn: 1261
 2001-11-12 05:17:23 +00:00
Vikram S. Adve 1d5c6e0939 Fix errors in computing downgrowing offsets, and in 
computing size of extra outgoing args.

llvm-svn: 1256
 2001-11-11 21:23:33 +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
Ruchira Sasanka d1d5e97431 Changed code to ignore Phi Nodes in PhyRegAlloc 
llvm-svn: 1253
 2001-11-10 21:21:36 +00:00
Ruchira Sasanka 31305c0d57 Coalesing bug fix - now checks for the same regType instead of the same 
regClass since FP class has two reg Types.

llvm-svn: 1236
 2001-11-10 00:20:24 +00:00
Ruchira Sasanka d499a26116 No major change 
llvm-svn: 1235
 2001-11-09 23:49:42 +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
Chris Lattner 2b48b9694c Add method decl 
llvm-svn: 1217
 2001-11-08 20:55:05 +00:00
Ruchira Sasanka dc709780aa corrected insertCode4Spilled ... bug. 
llvm-svn: 1212
 2001-11-08 19:11:30 +00:00
Ruchira Sasanka 19a5165c29 Uncommented LR spill code insertion 
llvm-svn: 1207
 2001-11-08 16:43:25 +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 bdbb802c2f Added two minor methods. 
llvm-svn: 1187
 2001-11-08 04:49:52 +00:00
Vikram S. Adve d9f8598104 Removed class RegStackOffsets and used class MachineCodeForMethod 
directly to manage stack frame.

llvm-svn: 1186
 2001-11-08 04:48:50 +00:00
Vikram S. Adve c53037205b Major overhaul of stack frame management. 
llvm-svn: 1185
 2001-11-08 04:47:06 +00:00
Ruchira Sasanka 074d52d60d Fixed bug - added code in pushUnconstrainedIGNodes() to check whether a node 
is already pushed to stack by a previous call to the same method.

llvm-svn: 1154
 2001-11-06 15:25:38 +00:00
Vikram S. Adve 928833ecea Bug fix: uninitialized variable. 
llvm-svn: 1147
 2001-11-06 05:11:05 +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 59a13288a6 Make reg. numbers signed ints. 
llvm-svn: 1137
 2001-11-05 03:56:02 +00:00
Chris Lattner 33d9cb9903 Minor method rename 
llvm-svn: 1119
 2001-11-04 08:08:34 +00:00
Ruchira Sasanka 471babe2d2 Added an assertion since it seems like AdjList returns an errornous size in method 
IGNode::pushOnStack().

llvm-svn: 1116
 2001-11-03 22:01:09 +00:00
Ruchira Sasanka 51fc1c2d72 Added support for correct spilling of %ccr 
llvm-svn: 1112
 2001-11-03 20:41:22 +00:00
Ruchira Sasanka ca632ed71a Arranged stack frame - needs furhter organization 
llvm-svn: 1108
 2001-11-03 17:14:44 +00:00
Ruchira Sasanka b7a397253f Arranged stack frame - needs furhter organization 
Moved InsertCallerSaveInstr to the SparcRegInfo.cpp

llvm-svn: 1106
 2001-11-03 17:13:27 +00:00
Vikram S. Adve 33ec4a3c23 Record constants that need to be emitted in the assembly code. 
llvm-svn: 1010
 2001-10-28 21:46:23 +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