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375 Commits

Author SHA1 Message Date
Vikram S. Adve
8493ae74b2 Use deterministic iterator for treeRoots. 
llvm-svn: 1967
 2002-03-24 03:36:52 +00:00
Vikram S. Adve
a141a7190b Change treeRoots data structure to make enumeration deterministic. 
llvm-svn: 1962
 2002-03-24 03:24:00 +00:00
Chris Lattner
c481e92886 Rename Method to Function 
llvm-svn: 1957
 2002-03-23 22:51:58 +00:00
Vikram S. Adve
8553fc5d21 Big bug fix: getUsableUniRegAtMI needed to return values in arguments 
but did not pass the arguments by reference!

llvm-svn: 1906
 2002-03-18 03:37:19 +00:00
Vikram S. Adve
855ed3d941 Added function computeOffsetforLocalVar to check how big the 
offset-from-FP will be before allocating space for a local variable.

llvm-svn: 1905
 2002-03-18 03:36:30 +00:00
Vikram S. Adve
edc1adae11 Bug fix in setting CC register. 
Also use distinct names for the three types of SetMachineOperand
to avoid painful overloading problems and errors.

llvm-svn: 1904
 2002-03-18 03:35:24 +00:00
Vikram S. Adve
b26ed73c33 Constants are now added to the constant pool only when a load 
instruction is actually generated for them.
Rename the different versions of SetMachineOperand.

llvm-svn: 1903
 2002-03-18 03:33:43 +00:00
Vikram S. Adve
3fe5a9e913 Use vector for machine instructions returned by GetInstructionsByRule. 
Fix constants in instructions generated for Phi elimination.

llvm-svn: 1902
 2002-03-18 03:31:54 +00:00
Vikram S. Adve
125cd33f99 Big bug fix: getUsableUniRegAtMI needed to return values in arguments 
but did not pass the arguments by reference!
Also added a function to get a register class by ID.

llvm-svn: 1901
 2002-03-18 03:26:48 +00:00
Anand Shukla
32c3ca3f0c Change to make it build with GCC 2.95.3 
llvm-svn: 1802
 2002-02-26 18:57:15 +00:00
Chris Lattner
c1de0d6e83 * Make it compile with GCC 3.0.4 
llvm-svn: 1788
 2002-02-24 23:01:56 +00:00
Chris Lattner
3cffcc10bc * 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
8e9be000a7 * 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
b0a2c5546b 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
e282c0b592 Convert operand iterator over to work like an STL iterator 
llvm-svn: 1720
 2002-02-05 06:02:59 +00:00
Chris Lattner
5337fbec40 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
862fab4da7 * Code Cleanups 
* Removal dependencies on Type.h & remove uses of getTypeID()

llvm-svn: 1718
 2002-02-05 03:52:29 +00:00
Chris Lattner
73812e2833 * 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
164a9ea118 Must include SetOperations to do set_* 
llvm-svn: 1716
 2002-02-05 03:35:53 +00:00
Chris Lattner
f3d0ae9fdb * 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
dc3aec7a90 * 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
a8170f0944 * 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
467da46166 * Add a #include not indirectly included any more 
llvm-svn: 1707
 2002-02-05 00:35:14 +00:00
Chris Lattner
817f1768d4 * RegisterAllocation _uses_ LiveVar analysis, instead of creating it's own copy 
llvm-svn: 1701
 2002-02-04 20:02:38 +00:00
Chris Lattner
9cd29563f0 * 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
e264071f46 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
bb19367753 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
c457462f99 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
f3f13580e9 * 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
69e3aba1e9 Remove dependence on BBLiveVar from InstrScheduling 
Minor cleanups

llvm-svn: 1688
 2002-02-04 16:35:45 +00:00
Chris Lattner
8bfb48c8d3 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
0de4b16eef Add #includes neccesary since they were removed from .h files 
llvm-svn: 1675
 2002-02-04 05:56:09 +00:00
Chris Lattner
f0828cf3dd Move instrIsFeasible from InstrScheduling.h 
llvm-svn: 1674
 2002-02-04 05:55:42 +00:00
Chris Lattner
009faad8e4 * 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
45cdd0fb0c * 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
9a8ff2595a 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
e1289c8b71 Code pulled out of MAchineInstr.(h|cpp) 
llvm-svn: 1660
 2002-02-03 07:54:50 +00:00
Chris Lattner
4315c295f5 Lots of code cleanups, no functional changes 
llvm-svn: 1650
 2002-02-03 07:46:34 +00:00
Chris Lattner
b8b17dc6dc * 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
92340322ab * Switch over to cleaner TmpInstruction model 
llvm-svn: 1648
 2002-02-03 07:39:06 +00:00
Chris Lattner
53b8194805 * Straighten out #includes 
* Switch to MAchineCodeForInstruction model instead of MachineCodeForVMInstr

llvm-svn: 1647
 2002-02-03 07:33:46 +00:00
Chris Lattner
4e43c744da * Swich to annotation model for MachineCodeForInstruction 
llvm-svn: 1646
 2002-02-03 07:31:41 +00:00
Chris Lattner
8ea2029cfa Remove extraneous #includes 
llvm-svn: 1645
 2002-02-03 07:30:08 +00:00
Chris Lattner
a58db0f194 * Straighten out #includes 
* Switch from MachineCodeForVMInstr to MachineCodeForInstruction model

llvm-svn: 1644
 2002-02-03 07:29:45 +00:00
Chris Lattner
b44b5b6f9a * 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
76ac6e30bd Add a class forward decl 
llvm-svn: 1637
 2002-02-03 07:13:04 +00:00
Chris Lattner
3d52646383 LoopDepth calculation is now in CFG namespace 
llvm-svn: 1601
 2002-01-31 00:41:13 +00:00
Chris Lattner
24eb24166b Make it build with 2.95.3 
llvm-svn: 1554
 2002-01-23 05:47:57 +00:00
Chris Lattner
d0e1f35161 Oops lost a parenthesis somehow :( 
llvm-svn: 1504
 2002-01-21 01:33:12 +00:00
Chris Lattner
3dc9a2a61f Changes to build successfully with GCC 3.02 
llvm-svn: 1503
 2002-01-20 22:54:45 +00:00
Ruchira Sasanka
80acf30a7f Fixed a bug in spill cost estimation 
llvm-svn: 1500
 2002-01-08 16:29:23 +00:00
Ruchira Sasanka
b6d7a004fa PhyRegAlloc.cpp: Added temp area resetting before every call 
llvm-svn: 1499
 2002-01-07 21:09:06 +00:00
Ruchira Sasanka
222c51efe9 Added destructors and comments. 
Added correct spill candidate selection logic.

llvm-svn: 1493
 2002-01-07 19:19:18 +00:00
Ruchira Sasanka
3d5efa3be1 Added comments, destructors where necessary. 
llvm-svn: 1491
 2002-01-07 19:16:26 +00:00
Vikram S. Adve
0607fbbf01 Eliminate all uses of memInst->getIndicesBROKEN(). 
llvm-svn: 1485
 2001-12-15 00:36:32 +00:00
Chris Lattner
c4a5815033 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
f6b7da2bb5 Rename ConstPoolVal -> Constant 
Rename ConstPool*   -> Constant*
Rename ConstPoolVals.h -> ConstantVals.h

llvm-svn: 1407
 2001-12-03 22:26:30 +00:00
Chris Lattner
bcf2df7058 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
463cc31132 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
b914467e57 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
9236d30e29 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
771ffc7640 Commented some popTempArg.. since it leads to a bug 
llvm-svn: 1326
 2001-11-15 22:02:06 +00:00
Ruchira Sasanka
647337ad60 Added naming to inserted phi copy values - for easy debugging 
llvm-svn: 1325
 2001-11-15 20:46:40 +00:00
Ruchira Sasanka
63203e9c07 Fixed a bug in setReLRegsUsedByMI 
llvm-svn: 1323
 2001-11-15 20:23:19 +00:00
Ruchira Sasanka
bcd55f277e Changed some names of methods, added const etc. 
llvm-svn: 1322
 2001-11-15 20:22:37 +00:00
Vikram S. Adve
bcd2ba2fea Modify AllocateLocalVar method to take a size argument. 
llvm-svn: 1318
 2001-11-15 15:22:26 +00:00
Ruchira Sasanka
897fbc8db8 fixed setUsedRegAtMI 
llvm-svn: 1317
 2001-11-15 15:00:53 +00:00
Ruchira Sasanka
9892c23157 Changed phi elimination code 
llvm-svn: 1311
 2001-11-15 00:27:14 +00:00
Ruchira Sasanka
7b4fe5d51b 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
a8f8fd19c0 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
9ed66f8e94 Idiotic error in last fix. 
llvm-svn: 1306
 2001-11-14 17:55:02 +00:00
Vikram S. Adve
e3c0a06ef9 Don't need to load a NULL pointer constant from memory! 
llvm-svn: 1305
 2001-11-14 17:24:49 +00:00
Ruchira Sasanka
6d6f616a06 Added support method for setting interference for pseudo instructions 
llvm-svn: 1303
 2001-11-14 15:37:13 +00:00
Ruchira Sasanka
f00a3e0aab Added interference for args in pseudo instructions 
llvm-svn: 1300
 2001-11-14 15:33:58 +00:00
Chris Lattner
4046596beb Remove much cruft from the MemAccessInst instruction 
llvm-svn: 1298
 2001-11-14 11:27:58 +00:00
Ruchira Sasanka
a39f918171 commented out lines printing code after scheduling 
llvm-svn: 1295
 2001-11-13 23:12:53 +00:00
Ruchira Sasanka
b1e6823bc1 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
3df85d6132 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
af9c0a766a 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
0bd498dd38 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
d6c5e0f535 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
624846d3fd 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
9b7638e108 Added phi elimination code - not final 
llvm-svn: 1264
 2001-11-12 14:44:50 +00:00
Vikram S. Adve
1fc185b8e7 Improved printing routines. 
llvm-svn: 1263
 2001-11-12 14:19:47 +00:00
Vikram S. Adve
3a5bf13976 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
31372d2b26 Adjust all stack variable offsets to be aligned by size. 
llvm-svn: 1261
 2001-11-12 05:17:23 +00:00
Vikram S. Adve
51265e7072 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
0b0bd6e749 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
bf9791fe90 Changed code to ignore Phi Nodes in PhyRegAlloc 
llvm-svn: 1253
 2001-11-10 21:21:36 +00:00
Ruchira Sasanka
699d104906 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
c32ebd1a4e No major change 
llvm-svn: 1235
 2001-11-09 23:49:42 +00:00
Vikram S. Adve
cc746868d7 Use node->getOpCode() instead of node->getMachineInstr()->getOpCode(). 
Much nicer.

llvm-svn: 1223
 2001-11-09 02:14:20 +00:00
Chris Lattner
d0f1f10bec Add method decl 
llvm-svn: 1217
 2001-11-08 20:55:05 +00:00
Ruchira Sasanka
5ebbfbdd2e corrected insertCode4Spilled ... bug. 
llvm-svn: 1212
 2001-11-08 19:11:30 +00:00
Ruchira Sasanka
1f95b36e06 Uncommented LR spill code insertion 
llvm-svn: 1207
 2001-11-08 16:43:25 +00:00
Vikram S. Adve
841ffd6a44 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
149bd3837d MachineCodeForMethod is now an annotation on class Method. 
llvm-svn: 1198
 2001-11-08 05:18:18 +00:00
Vikram S. Adve
3cefc04c0a Added two minor methods. 
llvm-svn: 1187
 2001-11-08 04:49:52 +00:00
Vikram S. Adve
2c8710f0c4 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
2cdcbfb6e0 Major overhaul of stack frame management. 
llvm-svn: 1185
 2001-11-08 04:47:06 +00:00
Ruchira Sasanka
0b842b90ef 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
f83b90af5c Bug fix: uninitialized variable. 
llvm-svn: 1147
 2001-11-06 05:11:05 +00:00
Vikram S. Adve
c3993d28ca 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
24fbd417a0 Make reg. numbers signed ints. 
llvm-svn: 1137
 2001-11-05 03:56:02 +00:00
Chris Lattner
ea63d43a07 Minor method rename 
llvm-svn: 1119
 2001-11-04 08:08:34 +00:00
Ruchira Sasanka
b5a9b22fa7 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
77cc18917c Added support for correct spilling of %ccr 
llvm-svn: 1112
 2001-11-03 20:41:22 +00:00
Ruchira Sasanka
116fbe7fc7 Arranged stack frame - needs furhter organization 
llvm-svn: 1108
 2001-11-03 17:14:44 +00:00
Ruchira Sasanka
7673c5f6e0 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
7cb485ebbd 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
ffe94cb175 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
9515b10102 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
Ruchira Sasanka
3c4d2dea7c Added support for spilling 
llvm-svn: 992
 2001-10-28 18:15:12 +00:00
Ruchira Sasanka
e095b077cf Added spill code support; moved insertCallerSaving to SparRegInfo since 
we need to handle %ccr reg in a special way.

llvm-svn: 990
 2001-10-28 18:12:02 +00:00
Ruchira Sasanka
9aa7352c15 added support to move "added instructions" after the delay slot 
llvm-svn: 968
 2001-10-23 21:38:42 +00:00
Ruchira Sasanka
155cb5a9c4 Added support to move "added instructions" after the delay slot 
llvm-svn: 967
 2001-10-23 21:38:00 +00:00
Vikram S. Adve
21da1db37f Use class MachineCodeForMethod to print machine code. 
llvm-svn: 948
 2001-10-22 13:52:03 +00:00
Vikram S. Adve
c63a39ae14 Added class MachineCodeForMethod. 
llvm-svn: 947
 2001-10-22 13:51:33 +00:00
Vikram S. Adve
1beadb278b Cosmetic changes only. 
llvm-svn: 946
 2001-10-22 13:51:09 +00:00
Vikram S. Adve
5acd0fb918 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
Ruchira Sasanka
6df15c541f Added support for both call/jmpl instructions 
llvm-svn: 930
 2001-10-21 16:43:41 +00:00
Ruchira Sasanka
95e437ec1b Added code to support unusable Suggested Colors. 
llvm-svn: 922
 2001-10-19 21:42:06 +00:00
Ruchira Sasanka
b80714a64a Added code to PhyRegAlloc to mark unusable suggested regs 
Added initialization to AdjList to IGNode constructor - major bug fix

llvm-svn: 920
 2001-10-19 21:39:31 +00:00
Ruchira Sasanka
fe8055b8c1 Changed Call interference info 
llvm-svn: 917
 2001-10-19 17:21:59 +00:00
Ruchira Sasanka
1f65433b82 Corrected call interference bug 
llvm-svn: 916
 2001-10-19 17:21:03 +00:00
Ruchira Sasanka
67992edbfc no major change 
llvm-svn: 914
 2001-10-18 23:58:08 +00:00
Ruchira Sasanka
33e147a7d0 Added implict operand printing for operator( ostream, MachineInstr&) 
llvm-svn: 912
 2001-10-18 22:40:02 +00:00
Ruchira Sasanka
384b7b3479 removed some debug messages 
llvm-svn: 910
 2001-10-18 22:36:26 +00:00
Vikram S. Adve
34b17e8a37 1. Add a bottom-up pass on BURG trees that is used to fix constant operands. 
Needs to be bottom up because constant values may be forward-substituted
   to their uses (i.e., into the parent in the BURG tree).
2. Move most of the constant-fixup code into machine-indepedent file
   InstrSelectionSupport.cpp.

llvm-svn: 859
 2001-10-17 23:57:50 +00:00
Vikram S. Adve
abed788cd9 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
41be9ce333 *** empty log message *** 
llvm-svn: 857
 2001-10-17 23:53:16 +00:00
Ruchira Sasanka
471cf92f0e changed debugg message printing - no change to useful code 
llvm-svn: 850
 2001-10-16 16:34:44 +00:00
Ruchira Sasanka
6dd033bd31 No major change - commented some debug code 
llvm-svn: 849
 2001-10-16 01:33:55 +00:00
Ruchira Sasanka
26ab9c8e61 Added support for caller saving 
llvm-svn: 847
 2001-10-16 01:23:19 +00:00
Chris Lattner
be66ee81bd Print Debug Code to stderr instead of stdout so that it doesn't mess up the assembly output 
llvm-svn: 841
 2001-10-15 18:30:06 +00:00
Chris Lattner
683166c06e Output to cerr rather than cout so that debug info doesn't mess up assembly generation 
llvm-svn: 840
 2001-10-15 18:15:27 +00:00
Ruchira Sasanka
183e59e94a updated suggesting/coloring of call & return args & implicit operands. 
Changed added instr to a deque (from a vector)

llvm-svn: 831
 2001-10-15 16:26:38 +00:00
Ruchira Sasanka
54051b75a7 fixed a coalscing bug 
llvm-svn: 828
 2001-10-15 16:22:44 +00:00
Chris Lattner
b9e0153cfe * Fix privacy issues on RegToRefVecMap 
* Fix initialization order problems...

llvm-svn: 762
 2001-10-13 06:51:01 +00:00
Ruchira Sasanka
bba7b347fb --corrected coalescing test: coalsed only if two are of the same reg class 
llvm-svn: 729
 2001-10-12 17:48:18 +00:00
Vikram S. Adve
1fe4d4071c 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
623324dea9 Don't insert useful instructions in delay slot of a RETURN. 
llvm-svn: 721
 2001-10-10 20:58:11 +00:00
Vikram S. Adve
2c19cf9a69 Machine-independent code generation routines used in instruction 
selection.  These used to live in several different places before.

llvm-svn: 719
 2001-10-10 20:50:43 +00:00
Vikram S. Adve
34c44524a7 Moved code generation support routines to InstrSelectionSupport.cpp. 
llvm-svn: 717
 2001-10-10 20:49:07 +00:00
Chris Lattner
08b1dde37e Commit more code over to new cast style 
llvm-svn: 697
 2001-10-02 03:41:24 +00:00
Chris Lattner
ad1b0a1a83 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
43781f1f96 Add support for new style casts 
llvm-svn: 694
 2001-10-01 16:18:37 +00:00
Ruchira Sasanka
294d643339 removing phy regaloc - incorrect file 
llvm-svn: 682
 2001-09-30 23:52:14 +00:00
Vikram S. Adve
8c431d2726 Change ! ( ...== ...) to !=. 
llvm-svn: 680
 2001-09-30 23:45:08 +00:00
Vikram S. Adve
7b68e7247a Improved dump for disp type operand. 
llvm-svn: 679
 2001-09-30 23:44:19 +00:00