1d84f0a461
Keep the stack frame aligned.
...
llvm-svn: 5081
2002-12-16 17:42:40 +00:00
101b8cd9b6
Initial checkin of "local" register allocator. Bugs are still present.
...
llvm-svn: 5078
2002-12-16 16:15:28 +00:00
c63d63a7c7
Rename createSimpleX86RegisterAllocator to createSimpleRegisterAllocator.
...
Remvoe some dead code
llvm-svn: 5070
2002-12-16 14:37:00 +00:00
bc1e6700eb
Some simpliciations to the spill/reload interface
...
llvm-svn: 5067
2002-12-15 23:01:26 +00:00
4e560ee65b
Simplify PHI node elimination significantly by doing it as a prepass to
...
register allocation
llvm-svn: 5066
2002-12-15 22:39:53 +00:00
292083aaf5
Variety of small or trivial simplifications to the code, completely eliminated
...
the dependence on PhysRegClassMap
llvm-svn: 5064
2002-12-15 22:19:19 +00:00
2af545d034
Remove unused savePhysRegToStack method
...
llvm-svn: 5061
2002-12-15 21:33:51 +00:00
ed594b6b20
Localize a map, remove another
...
llvm-svn: 5060
2002-12-15 21:24:30 +00:00
1499e5a92c
Give simple reg allocator a nice Pass Name
...
llvm-svn: 5058
2002-12-15 21:13:12 +00:00
2979a85984
Add a big assert making sure 2 address instructions are formed right
...
llvm-svn: 5057
2002-12-15 21:02:20 +00:00
02e835bf9a
Fix a problem that occurs when PHI nodes have multiple entries for the same predecessor
...
llvm-svn: 5055
2002-12-15 20:48:03 +00:00
dfa238f665
Grab bag of minor cleanups. Export some statistics about the number of
...
spills and reloads emitted
llvm-svn: 5054
2002-12-15 20:36:09 +00:00
f895418b47
Implement printing of MBB arguments
...
llvm-svn: 5053
2002-12-15 20:35:25 +00:00
e2533336f5
Simplify interfaces used by regalloc to insert code
...
llvm-svn: 5052
2002-12-15 20:06:35 +00:00
c1c7cc290f
* Simplify code a bit by breaking the PHI node handling stuff out into a seperate
...
function from normal regalloc code
* Make the regalloc for a block a function instead of part of runOnMachineBB, which
makes it easier to see what's going on in runOnMBB.
llvm-svn: 5051
2002-12-15 19:51:14 +00:00
f2acd842b4
* Remove some unneccesary instance variables
...
* Make allocateStackSpaceFor only allocate the right amount of space
llvm-svn: 5048
2002-12-15 19:07:34 +00:00
b772cd05c5
pull inverse reg class mapping into a class that is sharable and out of the
...
target register description classes.
llvm-svn: 5045
2002-12-15 18:38:59 +00:00
cf1955cb16
Prune #includes
...
llvm-svn: 5044
2002-12-15 18:19:24 +00:00
1af3af463a
Remove extraneous #includes, perform FIXME
...
llvm-svn: 5043
2002-12-15 18:15:24 +00:00
477af9d0fa
Fix borkness with not using MachineBasicBlocks in PHI nodes
...
llvm-svn: 5035
2002-12-15 08:02:51 +00:00
a1aa29b125
Fixed a bug where moves due to phis were being neglected.
...
llvm-svn: 5019
2002-12-13 12:33:31 +00:00
86ca8840a1
Need to insert all moves due to PHI nodes before *ALL* jumps in a predecessor
...
basic block, as there could be multiple.
llvm-svn: 5016
2002-12-13 11:55:59 +00:00
35a358d981
This should be more correct: invalidates physical registers that are used in
...
an instruction to avoid using them to allocate to other virtual registers.
llvm-svn: 5013
2002-12-13 11:33:22 +00:00
89ff3fbcd6
Fixed bug with running out of registers. Also, reinstated namespace which
...
disappeared during the last checkin.
llvm-svn: 5007
2002-12-13 10:42:31 +00:00
a739167305
This should handle register allocating PHI nodes.
...
llvm-svn: 5002
2002-12-13 09:54:36 +00:00
4ef74c8079
Start allocating stack space at [ebp-4] to not overwrite the return address.
...
Also make all loads & stores 4-byte aligned for performance. ;)
llvm-svn: 4982
2002-12-13 04:34:02 +00:00
260dbc79fc
Take advantage of our knowledge of 2-address X86 instructions and
...
register-allocated them appropriately.
llvm-svn: 4976
2002-12-12 23:20:31 +00:00
160a3da184
Added code generation for function prologues and epilogues.
...
llvm-svn: 4930
2002-12-04 23:58:08 +00:00
dbb7b65bf3
Fun arithmetic with iterators aimed at fixing a bug: inserting instructions
...
after the *current* instruction while keeping the iterator in the same
'logical' place.
llvm-svn: 4923
2002-12-04 19:24:45 +00:00
57f055f2f2
Print out direct global references
...
llvm-svn: 4906
2002-12-04 06:44:41 +00:00
a8ad93221a
This should fix the bug seen with some registers not being allocated
...
correctly: skipping instructions by incorrectly incrementing the pointer.
Also adds support for building a reg-to-regclass map, and splits the function
for saving register to stack into two, one suitable for virtual registers
(which also assigns it a physical register) and one for simply storing back
physical registers.
llvm-svn: 4898
2002-12-03 23:15:19 +00:00
bddc6dc5ad
Checkin debug implementation of MCE
...
llvm-svn: 4893
2002-12-03 20:56:42 +00:00
2e035d64d1
* Abstracted out stack space allocation into its own function
...
* Added saving of register values to the stack
llvm-svn: 4858
2002-12-02 21:11:58 +00:00
60286d0916
A simple (spilling) register allocator.
...
llvm-svn: 4828
2002-11-22 22:44:32 +00:00
d5b111a10c
Initialize the SSARegMap.
...
llvm-svn: 4782
2002-11-20 18:55:27 +00:00
d8ea18b695
Print is const!
...
llvm-svn: 4737
2002-11-17 23:22:13 +00:00
17ec8a8dd0
Remove only uses of markDef/markDefAndUse methods
...
llvm-svn: 4719
2002-11-17 22:14:08 +00:00
a2620ac156
Fix warning
...
llvm-svn: 4649
2002-11-09 00:49:43 +00:00
36051c0c56
Move function to cpp file from header
...
llvm-svn: 4510
2002-11-02 22:07:51 +00:00
dcf31cec85
New iostream definitions
...
llvm-svn: 4482
2002-11-01 16:46:05 +00:00
8c7b93f7e3
Restore support for indirect function calls (which briefly wasn't working
...
after I removed annotations on MachineInstr for the CallDescriptor).
llvm-svn: 4469
2002-10-31 15:34:48 +00:00
6c614a9931
Remove fixme
...
llvm-svn: 4447
2002-10-30 02:02:37 +00:00
ac6e97410b
Add special code to make printing SSA form machine instructions nicer
...
llvm-svn: 4446
2002-10-30 01:55:38 +00:00
4e9fb1f52e
Use MRegisterInfo, if available, to print symbolic register names
...
llvm-svn: 4438
2002-10-30 00:58:19 +00:00
214808f8ac
Implement structured machine code printing
...
llvm-svn: 4435
2002-10-30 00:48:05 +00:00
90e64905b9
Make argsize calculation stuff optional, so that Targets without FrameInfo
...
objects yet don't die
llvm-svn: 4427
2002-10-29 23:40:03 +00:00
27ccb70df6
Implement autoinserting ctor
...
llvm-svn: 4426
2002-10-29 23:19:00 +00:00
bbd68ada1a
Rename annotation id
...
llvm-svn: 4425
2002-10-29 23:18:43 +00:00
f4e4ed7612
Merge with sparc backend
...
llvm-svn: 4403
2002-10-29 20:10:58 +00:00
8d3e9ab2cf
X86 merge is complete, eliminate unused code
...
llvm-svn: 4400
2002-10-29 20:07:16 +00:00
a1b4f0f85e
Remove separate vector of implicit refs from MachineInstr, and
...
instead record them as extra operands in the operands[] vector.
Also, move CallArgsDescriptor into this class instead of making it an
annotation on the machine instruction.
llvm-svn: 4399
2002-10-29 19:41:18 +00:00
db6596e551
Move CallArgsDescriptor into this class instead of making it an
...
annotation on the machine instruction.
llvm-svn: 4398
2002-10-29 19:38:46 +00:00
07e26837a9
Move TargetInstrDescriptors extern to the one .cpp file that refers to it:
...
MachineInstr.cpp
llvm-svn: 4392
2002-10-29 17:40:30 +00:00
660bf10981
Use higher level methods, don't use TargetInstrDescriptors directly!
...
llvm-svn: 4389
2002-10-29 17:35:39 +00:00
50ef1010c0
Use higher level method
...
llvm-svn: 4386
2002-10-29 17:25:41 +00:00
76014b97af
Remove #include, misleading comment, and a typedef used only once
...
llvm-svn: 4383
2002-10-29 17:08:05 +00:00
6d6d87f3f3
Inline typedef, eliminate unused method
...
llvm-svn: 4382
2002-10-29 17:03:19 +00:00
ca0f818347
Remove long dead #if 0
...
llvm-svn: 4381
2002-10-29 17:00:19 +00:00
5abe44bb72
Add #includes that were eliminated from headers
...
llvm-svn: 4380
2002-10-29 16:51:05 +00:00
189c099a7f
De-inline methods
...
llvm-svn: 4379
2002-10-29 16:50:33 +00:00
c9e9d2933d
Remove #include
...
llvm-svn: 4378
2002-10-29 16:50:20 +00:00
e9bda57b87
Remove unneeded #include
...
llvm-svn: 4377
2002-10-29 16:50:06 +00:00
a13000449e
Remove forward decl
...
llvm-svn: 4376
2002-10-29 16:49:44 +00:00
7ecc7af4bd
Make assertIGNode be private to the InterferenceGraph.cpp file
...
llvm-svn: 4375
2002-10-29 16:42:34 +00:00
820b037815
MachineInstrInfo no longer #includes this header, so we must
...
llvm-svn: 4366
2002-10-28 23:54:47 +00:00
5c7d638208
Remove all traces of the "Opcode Mask" field in the MachineInstr class
...
llvm-svn: 4359
2002-10-28 21:17:20 +00:00
bee314fc94
Remove more default arguments that are never used
...
llvm-svn: 4358
2002-10-28 21:02:40 +00:00
307fb1a314
Remove default operands that are never used
...
llvm-svn: 4357
2002-10-28 20:59:49 +00:00
ca4a9d20b8
* Make MachineOperand ctors private, so MachineOperand can only be created
...
by MachineInstr.
* Add a bunch of new methods to allow incremental addition of operands to the
machine instr instance.
llvm-svn: 4356
2002-10-28 20:48:39 +00:00
6be5e92526
Replaced uses of deprecated `MachineFunction::get(BasicBlock *BB)'.
...
llvm-svn: 4351
2002-10-28 20:00:31 +00:00
864d279667
Remove two arguments that are never specified
...
llvm-svn: 4348
2002-10-28 19:46:59 +00:00
b1e39b5a27
Rename some regalloc fields
...
llvm-svn: 4346
2002-10-28 19:43:23 +00:00
c9bd2c38a8
Eliminate usage of MachineBasicBlock::get
...
llvm-svn: 4344
2002-10-28 19:22:04 +00:00
76d59276af
Remove usage of MachineBasicBlock::get
...
llvm-svn: 4342
2002-10-28 19:01:16 +00:00
967c38f4c5
Remove usage of MachineBasicBlock::get
...
llvm-svn: 4341
2002-10-28 18:50:08 +00:00
7421df92cb
Eliminate unneccesary use of MachineBasicBlock::get
...
llvm-svn: 4339
2002-10-28 06:01:57 +00:00
ba3a8060ff
s/method/function
...
llvm-svn: 4338
2002-10-28 05:58:46 +00:00
8c63b6897d
Change MachineBasicBlock's to not be Annotations, instead they are kept as
...
part of a linked list tracked by MachineFunction. MachineBasicBlock::get
is now linear time instead of constant time, and thus is deprecated!
llvm-svn: 4337
2002-10-28 05:30:46 +00:00
881d8b3410
Make Scheduling Class variables be 'unsigned' instead of 'int'
...
llvm-svn: 4333
2002-10-28 04:53:02 +00:00
6a30b02b1d
Rename the redundant MachineOperand::getOperandType() to MachineOperand::getType()
...
llvm-svn: 4331
2002-10-28 04:45:29 +00:00
340bb96e64
Fairly major overhaul of MachineInstr & Operand classes
...
- Inline methods that are mostly a single line anyway
- Eliminate several methods that were never called
- Group methods a bit more consistently
llvm-svn: 4329
2002-10-28 04:24:49 +00:00
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
94a4f22573
Don't #include <Support/*>, #include "Support/*"
...
llvm-svn: 4325
2002-10-28 02:11:53 +00:00
2a3bd1c562
*** empty log message ***
...
llvm-svn: 4323
2002-10-28 02:01:37 +00:00
658839bafd
MachineFunction now includes MachineBasicBlock so there is no need to
...
reinclude it
llvm-svn: 4322
2002-10-28 02:01:35 +00:00
8710aab04c
Rename MachineCodeForBasicBlock to MachineBasicBlock
...
llvm-svn: 4318
2002-10-28 01:41:47 +00:00
6fc3ca062d
*** empty log message ***
...
llvm-svn: 4317
2002-10-28 01:41:27 +00:00
9baa9ad7c7
Inline some methods from .cpp files into .h files, minor cleanups
...
llvm-svn: 4313
2002-10-28 01:21:55 +00:00
8494d08688
Minor cleanups
...
llvm-svn: 4312
2002-10-28 01:16:38 +00:00
6d8a6c645c
Move machine code generation/destruction passes out of Sparc.cpp because
...
they are generic
llvm-svn: 4310
2002-10-28 01:12:41 +00:00
f9df48d34c
Prune #includes
...
llvm-svn: 4307
2002-10-28 01:02:51 +00:00
9f99867c6c
Updates to match misha's changes
...
llvm-svn: 4302
2002-10-28 00:37:53 +00:00
7ae7f84cf3
Changed `MachineCodeForMethod' to `MachineFunction'.
...
llvm-svn: 4301
2002-10-28 00:28:31 +00:00
9e33759f88
Initial checkin of codegen infrastructure for LLVM-JIT
...
llvm-svn: 4282
2002-10-25 22:54:41 +00:00
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
5ae3bd630d
Ensure definate initialization
...
llvm-svn: 4263
2002-10-22 23:34:11 +00:00
ce64eddb71
- Two minor improvements to the MachineInstr class to reduce footprint and
...
overhead: Merge 3 parallel vectors into 1, change regsUsed hash_set to be a
bitvector. Sped up LLC a little less than 10% in a debug build!
llvm-svn: 4261
2002-10-22 23:16:21 +00:00
f5492b0c5b
Significant improvement: GEP used by a load or store no longer generates
...
a separate ADD; instead just use the indexed load/store instruction!
Also, a bug fix: folding a GEP with a leading non-zero index with
its predecessor was incorrect: now it only happens if the predecessor
is pointing to an indexable type (aka SequentialType).
llvm-svn: 4168
2002-10-14 16:30:55 +00:00
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
f8c6e3db55
Major bug fix: was not adding CD edges for RETURNs!
...
llvm-svn: 4137
2002-10-13 00:39:22 +00:00
Chris Lattner