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Commit Graph

163 Commits

Author SHA1 Message Date
Chris Lattner
f658cf4988 Remove forward decl
llvm-svn: 4376
2002-10-29 16:49:44 +00:00
Chris Lattner
0cff6f7e16 Make assertIGNode be private to the InterferenceGraph.cpp file
llvm-svn: 4375
2002-10-29 16:42:34 +00:00
Chris Lattner
4b652d5505 Rename some regalloc fields
llvm-svn: 4346
2002-10-28 19:43:23 +00:00
Chris Lattner
bd1add2005 Eliminate usage of MachineBasicBlock::get
llvm-svn: 4344
2002-10-28 19:22:04 +00:00
Chris Lattner
e309cdbc95 Rename the redundant MachineOperand::getOperandType() to MachineOperand::getType()
llvm-svn: 4331
2002-10-28 04:45:29 +00:00
Chris Lattner
dd22b9e8b6 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
df1d87f5f3 *** empty log message ***
llvm-svn: 4323
2002-10-28 02:01:37 +00:00
Chris Lattner
ef1475aa32 *** empty log message ***
llvm-svn: 4317
2002-10-28 01:41:27 +00:00
Misha Brukman
142795fd17 Changed MachineCodeForMethod' to MachineFunction'.
llvm-svn: 4301
2002-10-28 00:28:31 +00:00
Chris Lattner
b8ffbe6966 Ensure definate initialization
llvm-svn: 4263
2002-10-22 23:34:11 +00:00
Chris Lattner
dfc8fbf16b - 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
Vikram S. Adve
be4905b56a Major bug fix: spill code for an instruction in a delay slot was
merrily being inserted before/after the instruction!

llvm-svn: 4116
2002-10-11 16:12:40 +00:00
Vikram S. Adve
59778ef96d Added a couple of helper methods for live range construction.
llvm-svn: 3970
2002-09-28 17:05:43 +00:00
Vikram S. Adve
2710051771 Live ranges for Return value and return address of a Call are now
created here, simply by handling all implicit operands (which should
have been done anyway).

llvm-svn: 3969
2002-09-28 17:05:22 +00:00
Vikram S. Adve
7c0175962a Fixed incorrect assertion: spill code for function ptr should be
handled like normal operands, not like other call arguments.

llvm-svn: 3967
2002-09-28 17:02:40 +00:00
Vikram S. Adve
07a33b5553 Add method IGNode::getCombinedDegree to count the sum of the degrees
of two nodes, excluding duplicates.

llvm-svn: 3848
2002-09-20 00:55:04 +00:00
Vikram S. Adve
ccb33335a3 Allow copy coalescing in more cases: if sum of node degrees is more than
than #available regs, compute the sum excluding duplicates and if that
is less than #regs, go ahead and coalesce.
Add method IGNode::getCombinedDegree to count excluding duplicates.

llvm-svn: 3842
2002-09-20 00:45:47 +00:00
Vikram S. Adve
69cf056052 Fix typos in previous checkin.
llvm-svn: 3726
2002-09-15 15:33:48 +00:00
Chris Lattner
db2c0b75ab RegAllocCommon no longer includes CommandLine.h so we have to include it
here.

llvm-svn: 3725
2002-09-15 07:07:55 +00:00
Vikram S. Adve
2ebafaf8ff Break RA_DEBUG option into several levels to get better control over
debug output.

llvm-svn: 3724
2002-09-14 23:05:33 +00:00
Vikram S. Adve
8d2a9260ef Remove unnecessary include.
llvm-svn: 3723
2002-09-14 23:04:52 +00:00
Vikram S. Adve
263de0387d Break RA_DEBUG option into several levels to get better output.
llvm-svn: 3722
2002-09-14 22:18:37 +00:00
Vikram S. Adve
7cad54b354 Moving to lib/CodeGen/RegAlloc.
llvm-svn: 3718
2002-09-14 11:57:17 +00:00
Chris Lattner
4d9fadc44a * 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
91d4742562 - 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: 3264
2002-08-08 19:01:28 +00:00
Chris Lattner
ad8fc4ba3e Non-standard hash classes are not in the std:: namespace
llvm-svn: 3057
2002-07-24 21:21:33 +00:00
Chris Lattner
99ad379582 *** empty log message ***
llvm-svn: 2985
2002-07-22 02:10:13 +00:00
Anand Shukla
33b491bba2 changed mem_fun to std::mem_fun
llvm-svn: 2847
2002-07-09 19:18:56 +00:00
Vikram S. Adve
0b32273208 Significant changes to correctly spill CC registers and to correctly
handle conditional move instructions:
-- cpMem<->Reg functions now support CC registers (int and FP) correctly.
-- Scratch registers must be explicitly provided to cpMem<->Reg when
   needed, since CC regs need one to be copied to/from memory.
-- CC regs are saved to a scratch register instead of stack.
-- All regs used by a instruction are now recorded in MachineInstr::regsUsed,
   since regs used to save values *across* an instruction are not obvious
   either from the operands or from the LiveVar sets.
-- An (explicit or implicit) operand may now be both a def and a use.
   This is needed for conditional move operations.
   So an operand may need spill code both before and after the instruction.
-- class MachineCodeForBasicBlock is now an annotation on BasicBlock.

llvm-svn: 2833
2002-07-08 23:15:32 +00:00
Vikram S. Adve
a8c7633d5b MachineInstr* in vector are not const (and never really were)
because operands may be modified directly to set register.
Also, class MachineCodeForBasicBlock is now an annotation on BasicBlock.

llvm-svn: 2832
2002-07-08 23:07:26 +00:00
Vikram S. Adve
58b597078f getUsableUniRegAtMI interface simplified slightly.
llvm-svn: 2822
2002-07-08 22:39:36 +00:00
Vikram S. Adve
d82933c6c8 MachineInstr* in vector are not const (and never really were)
because operands may be modified directly to set register.

llvm-svn: 2820
2002-07-08 22:34:40 +00:00
Chris Lattner
5339840831 Remove tag that just clutters diffs
llvm-svn: 2807
2002-06-30 16:08:25 +00:00
Anand Shukla
ee7ed50bb4 changes to make it compatible with 64bit gcc
llvm-svn: 2791
2002-06-25 20:55:50 +00:00
Chris Lattner
dfd421a7df MEGAPATCH checkin.
For details, See: docs/2002-06-25-MegaPatchInfo.txt

llvm-svn: 2779
2002-06-25 16:13:24 +00:00
Chris Lattner
e61bc07952 Convert RegClass::IsColorUsedArr from a dynamically allocated array to
a vector.  This makes asserting on array bounds easier.

llvm-svn: 2731
2002-05-23 15:50:03 +00:00
Chris Lattner
7d0544f0cc 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
07732a38b7 Avoid #including CommandLine.h
llvm-svn: 2710
2002-05-22 17:06:56 +00:00
Chris Lattner
1752fa9899 Hide debugging options
llvm-svn: 2676
2002-05-20 21:39:10 +00:00
Chris Lattner
0cfea31aee Don't lose namespace qualifications on previous patch.
llvm-svn: 2664
2002-05-20 17:38:26 +00:00
Vikram S. Adve
21ed1be093 InstrnsBefore and InstrnsAfter are now vectors instead of deques.
May be slightly less efficient but significantly reduces special
cases interfaces in code generation.

llvm-svn: 2649
2002-05-19 15:41:33 +00:00
Vikram S. Adve
6133689517 Numerous bug fixes:
-- passing FP arguments to functions with more than 6 arguments
-- passing FP arguments to varargs functions
-- passing FP arguments to functions with no prototypes
-- incorrect coloring for CC registers (both int and FP): interferences
   were being completely ignored for int CC and were considered but no
   spills were marked for fp CC!

Also some code improvements:
-- better interface to generating machine instr for common cases
   (many places still need to be updated to use this interface)
-- annotations on MachineInstr to communicate information from
   one codegen phase to another (now used to pass information about
   CALL/JMPLCALL operands from selection to register allocation)
-- all sizes and offests in class TargetData are uint64_t instead of uint

llvm-svn: 2642
2002-05-19 15:29:31 +00:00
Chris Lattner
96e0c48175 Eliminate duplicate or unneccesary #include's
llvm-svn: 2397
2002-04-29 17:42:12 +00:00
Chris Lattner
589debc4ba 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
e7143ad386 Include appropriate file
llvm-svn: 2379
2002-04-28 20:40:16 +00:00
Chris Lattner
07fe96ca98 Eliminate the cfg namespace, moving LoopInfo, Dominators, Interval* classes
to the global namespace

llvm-svn: 2370
2002-04-28 16:21:30 +00:00
Chris Lattner
f043c4baac Remove all contents of the cfg namespace to the global namespace
llvm-svn: 2369
2002-04-28 16:19:42 +00:00
Chris Lattner
2f0ee1833d s/Method/Function
llvm-svn: 2336
2002-04-27 07:27:19 +00:00
Chris Lattner
536cf1b13f * 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
Vikram S. Adve
95b080aca1 Don't record instructions for copying method arguments in the
AddedInstrns sets for the first machine instruction.  It is hard
to ensure that the right order is preserved, and sure enough, the
order was broken.  Instead, use a separate set for the function entry.

llvm-svn: 2318
2002-04-25 04:46:28 +00:00