Commit Graph

231 Commits

Author SHA1 Message Date
John Criswell 482202a601 Added LLVM project notice to the top of every C++ source file.
Header files will be on the way.

llvm-svn: 9298
2003-10-20 19:43:21 +00:00
Chris Lattner 9177d11367 #include vector which we will need here soon
llvm-svn: 9144
2003-10-15 22:09:32 +00:00
Chris Lattner 1f8d21e233 include passes.h which defines the interface this file exposes
llvm-svn: 8793
2003-09-30 20:13:59 +00:00
Brian Gaeke 974bc6682e Update head-of-file comment.
llvm-svn: 8699
2003-09-24 18:16:23 +00:00
Brian Gaeke 1542a8b820 Untabify tabs in stuff I've recently added.
Check in my register allocator state-saving code.

llvm-svn: 8698
2003-09-24 18:08:54 +00:00
Brian Gaeke 82585e030c Use getRegClassID() instead of getRegClass()->getID(), since it's there.
Shorten the markSuggestedColorUsable method.
Add a switch for saving reg. alloc. state (coming soon).

llvm-svn: 8697
2003-09-24 17:50:28 +00:00
Brian Gaeke 50364030ca Remove some unused methods of class IGNode.
llvm-svn: 8696
2003-09-24 04:29:52 +00:00
Chris Lattner 6b379da6c3 Move getAnalysisUsage method from header to .cpp file. Add a normal file
header comment

llvm-svn: 8679
2003-09-23 15:13:04 +00:00
Brian Gaeke e383a14960 Use C++ math header instead of C version.
llvm-svn: 8648
2003-09-21 03:57:37 +00:00
Brian Gaeke 32cd554853 Erase now-unused prototypes.
llvm-svn: 8647
2003-09-21 02:51:00 +00:00
Brian Gaeke 20c888fa9f Rearrange #includes ... since there are fewer now I guess it's a win.
(I also zapped printMachineCode() and printLabel() at the previous checkin,
but forgot to mention it.)

llvm-svn: 8646
2003-09-21 02:50:21 +00:00
Brian Gaeke 3a0a5fc1b3 Standardize the names of include guards.
llvm-svn: 8645
2003-09-21 02:31:37 +00:00
Brian Gaeke 58dabb4406 Standardize the names of include guards.
Remove more excess whitespace.

llvm-svn: 8644
2003-09-21 02:31:25 +00:00
Brian Gaeke 73d10dc47b Standardize the names of include guards.
Fix typos in file header comment.

llvm-svn: 8643
2003-09-21 02:31:15 +00:00
Brian Gaeke 43593b8cd0 I tried to standardize the formatting and tidy up the huge amount of
excess whitespace a little. Also improved some comments.

llvm-svn: 8642
2003-09-21 02:24:09 +00:00
Brian Gaeke e1061018bf Convert PhyRegAlloc into a proper pass.
PhyRegAlloc.cpp:
 Don't include TargetMachine.h or TargetRegInfo.h, because these are provided
  by PhyRegAlloc.h.
 Merge class RegisterAllocator into class PhyRegAlloc.
 Simplify & move ctor, dtor to PhyRegAlloc.h.
 Make some of PhyRegAlloc's reference members into pointer members,
  so they can be more easily messed with.
 MarkAllocatedRegs() becomes a member method, with fewer args.

PhyRegAlloc.h:
 Include Pass.h, TargetMachine.h and TargetRegInfo.h. Don't declare
  TargetRegInfo forward.
 Give AddedInstrns the obvious clear() method.
 Make some of PhyRegAlloc's reference members into pointer members,
  so they can be more easily messed with.
 Add prototype for markAllocatedRegs().
 Remove unused inline void constructLiveRanges().

llvm-svn: 8641
2003-09-21 01:23:46 +00:00
Brian Gaeke 666b18f1a6 Fix typo in comment. Take out some random whitespace.
(Partial merge from my working file)

llvm-svn: 8564
2003-09-16 15:38:05 +00:00
Brian Gaeke c8a9ec01b6 Edit comment for accuracy
llvm-svn: 8562
2003-09-16 15:36:50 +00:00
Brian Gaeke 75ed4b8831 Fix typos in comments.
llvm-svn: 8523
2003-09-15 05:28:42 +00:00
Misha Brukman acda7df68b Fixed spelling and grammar.
llvm-svn: 8489
2003-09-11 22:34:13 +00:00
Chris Lattner eefb565449 LiveRange.h is now in lib/CodeGen/RegAlloc
llvm-svn: 8299
2003-09-01 20:17:13 +00:00
Chris Lattner e80612a28e LiveRangeInfo got moved into the lib/CodeGen/RegAlloc directory
llvm-svn: 8297
2003-09-01 20:12:17 +00:00
Chris Lattner f1ab45bdf5 PhyRegAlloc.h got moved to lib/CodeGen/RegAlloc
llvm-svn: 8296
2003-09-01 20:09:04 +00:00
Chris Lattner 7127065f24 Move IGNode from public include directory to here. Minor cleanups like adding std:: namespace qualifiers
llvm-svn: 8295
2003-09-01 20:05:47 +00:00
Misha Brukman be372b91e1 The word `dependent' has no `a'.
llvm-svn: 8030
2003-08-21 22:14:26 +00:00
Brian Gaeke 8c14ba96ca Factory methods for function passes now return type FunctionPass *.
llvm-svn: 7839
2003-08-14 06:09:32 +00:00
Vikram S. Adve 7dc5b6707c For instructions in a delay slot of another instruction,
we no longer need to find the live-before set of the delayed
branch since that set is now included the live-before/after
set of the instructions in each delay slot.  Just assert that instead.

llvm-svn: 7796
2003-08-12 22:22:24 +00:00
Chris Lattner 30e987470f Use a new local data structure instead of the MachineInstr::regsUsed set
llvm-svn: 7621
2003-08-05 22:11:13 +00:00
Chris Lattner 92f5fb598c Add a map
llvm-svn: 7620
2003-08-05 22:09:31 +00:00
Chris Lattner e62a2a76e5 Minor cleanups
llvm-svn: 7619
2003-08-05 22:03:27 +00:00
Chris Lattner b05d3508d6 Physical registers no longer live in the regsUsed set for each machine instr
llvm-svn: 7618
2003-08-05 21:55:58 +00:00
Vikram S. Adve c9cb319bcb 1. Bug fix: Don't use branch operand reg. as temp. reg. when
spilling values used by an instruction in the delay slot of the branch
   (which will eventually be moved before the branch).
2. Bug fix:  Delete the delay slot instr, not the branch instr, when
   moving delay slot instr. out!!!!
3. Move code to insert caller-saves moved here from SparcRegInfo:
   it is now machine-independent.

llvm-svn: 7389
2003-07-29 19:49:21 +00:00
Vikram S. Adve e2ef34a818 Add const version of getLiveRangeForValue().
llvm-svn: 7386
2003-07-29 19:38:22 +00:00
Vikram S. Adve 91e75d87d2 Code to insert caller-saves moved here from SparcRegInfo: it is now
machine-independent.
Fix problem with using branch operand reg. as temp. reg. when
spilling values used by an instruction in the delay slot of the branch
(which will eventually be moved before the branch).

llvm-svn: 7385
2003-07-29 19:37:41 +00:00
Chris Lattner 0c8de4bfca Making this code const-correct would be a pain, so I'll hack it.
llvm-svn: 7350
2003-07-26 23:29:51 +00:00
Chris Lattner 981e585021 Remove extraneous #includes
llvm-svn: 7341
2003-07-26 23:00:29 +00:00
Vikram S. Adve 45766ab682 (1) Change the way unused regs. are marked and found to consider regType
info (since multiple reg types may share the same reg class).
(2) Remove machine-specific regalloc. methods that are no longer needed.
    In particular, arguments and return value from a call do not need
    machine-specific code for allocation.
(3) Rename TargetRegInfo::getRegType variants to avoid unintentional
    overloading when an include file is omitted.

llvm-svn: 7329
2003-07-25 21:06:09 +00:00
Vikram S. Adve abcd8d75ff Remove unused field. Change the way unused regs. are marked and
found to consider regType info (since multiple reg types may share
the same reg class, e.g., single and double on Sparc).

llvm-svn: 7327
2003-07-25 21:00:13 +00:00
Vikram S. Adve abf331db03 isMarkedForSpill() should be const.
llvm-svn: 7155
2003-07-10 19:45:28 +00:00
Vikram S. Adve 39587d6264 Print out all neighbors in interference graph, not just higher-numbered ones.
llvm-svn: 7153
2003-07-10 19:43:33 +00:00
Vikram S. Adve 5224b19deb Several fixes to handling of int CC register:
(1) An int CC live range must be spilled if there are any interferences,
    even if no other "neighbour" in the interf. graph has been allocated
    that reg. yet.  This is actually true of any class with only one reg!

(2) SparcIntCCRegClass::colorIGNode sets the color even if the LR must
    be spilled so that the machine-independent spill code doesn't have to
    make the machine-dependent decision of which CC name to use based on
    operand type: %xcc or %icc.  (These are two halves of the same
register.)

(3) LR->isMarkedForSpill() is no longer the same as LR->hasColor().
    These should never have been the same, and this is necessary now for .

(4) All RDCCR and WRCCR instructions are directly generated with the
    phony number for %ccr so that EmitAssembly/EmitBinary doesn't have to
    deal with this.

llvm-svn: 7152
2003-07-10 19:42:55 +00:00
Vikram S. Adve 1fce4cfa95 Minor beautification: fold a couple of lines of code.
llvm-svn: 7054
2003-07-02 01:24:00 +00:00
Chris Lattner 52de05c6b3 Remove a ton of extraneous #includes
llvm-svn: 6842
2003-06-22 03:08:05 +00:00
John Criswell cfac736363 Included assert.h so that the code compiles under newer versions of GCC.
llvm-svn: 6682
2003-06-11 14:01:36 +00:00
Vikram S. Adve 24ce4d8eb8 Minor changes.
llvm-svn: 6470
2003-05-31 07:41:54 +00:00
Vikram S. Adve a83804a29a Extensive changes to the way code generation occurs for function
call arguments and return values:
Now all copy operations before and after a call are generated during
selection instead of during register allocation.
The values are copied to virtual registers (or to the stack), but
in the former case these operands are marked with the correct physical
registers according to the calling convention.
Although this complicates scheduling and does not work well with
live range analysis, it simplifies the machine-dependent part of
register allocation.

llvm-svn: 6465
2003-05-31 07:32:01 +00:00
Vikram S. Adve 7366fa1aa6 (1) Added special register class containing (for now) %fsr.
Fixed spilling of %fcc[0-3] which are part of %fsr.

(2) Moved some machine-independent reg-class code to class TargetRegInfo
    from SparcReg{Class,}Info.

(3) Renamed MachienOperand::opIsDef to MachineOperand::opIsDefOnly()
    and related functions and flags.  Fixed several bugs where only
    "isDef" was being checked, not "isDefAndUse".

llvm-svn: 6341
2003-05-27 00:05:23 +00:00
Chris Lattner 1ff57d914c Adjust to new interfaces
llvm-svn: 5314
2003-01-15 21:14:01 +00:00
Chris Lattner e46165fcf0 Move headers around
llvm-svn: 5312
2003-01-15 21:02:16 +00:00
Chris Lattner 14802a539d Header is moved into local directory
llvm-svn: 5311
2003-01-15 21:00:02 +00:00