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2460 Commits

Author SHA1 Message Date
Chris Lattner
e70f671b97 don't copy all itinerary data 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26633 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-09 07:13:00 +00:00
Chris Lattner
0324ba8f02 PriorityQueue is an instance var, use it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26632 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-09 06:48:37 +00:00
Chris Lattner
e87c5c8088 add some comments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26631 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-09 06:37:29 +00:00
Chris Lattner
e32178dd32 Refactor the priority mechanism one step further: now that it is a separate 
class, sever its implementation from the interface.  Now we can provide new
implementations of the same interface (priority computation) without touching
the scheduler itself.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26630 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-09 06:35:14 +00:00
Jim Laskey
21b6c9d647 Get rid of the multiple copies of getStringValue. Now a Constant:: method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26616 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-08 18:11:07 +00:00
Chris Lattner
49eee4a26f Split the priority function computation and priority queue management out 
of the ScheduleDAGList class into a new SchedulingPriorityQueue class.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26613 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-08 05:18:27 +00:00
Chris Lattner
c45a59bb32 switch from an explicitly managed list of SUnits to a simple vector of sunits 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26612 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-08 04:54:34 +00:00
Chris Lattner
6a67b3a4e6 Shrinkify some fields, fit to 80 columns 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26611 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-08 04:41:06 +00:00
Chris Lattner
6b24af87e6 revert the previous patch, didn't mean to check it in yet 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26610 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-08 04:39:05 +00:00
Chris Lattner
5874f82564 remove "Slot", it is dead 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26609 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-08 04:37:58 +00:00
Chris Lattner
b0d21ef20c Change the interface for getting a target HazardRecognizer to be more clean. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26608 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-08 04:25:59 +00:00
Jim Laskey
2b0e309640 libstdc++-v3 was failing to build. Needed to handle composite types with empty 
members (running into a zero initializer.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26607 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-08 02:07:02 +00:00
Jim Laskey
7809811e4e Use "llvm.metadata" section for debug globals. Filter out these globals in the 
asm printer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26599 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-07 22:00:35 +00:00
Jim Laskey
e8c3e3b51c Switch to using a numeric id for anchors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26598 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-07 20:53:47 +00:00
Jim Laskey
20c3ed8166 Bitfield support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26593 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-07 15:51:33 +00:00
Chris Lattner
b2d635803d Fix some formatting, when looking for hazards, prefer target nodes over 
things like copyfromreg.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26586 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-07 05:40:43 +00:00
Chris Lattner
6af7ef8da8 update file comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26573 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-06 17:58:04 +00:00
Evan Cheng
adc5e5c85f Remove some code that doesn't make sense 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26572 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-06 07:31:44 +00:00
Evan Cheng
6b36ce9202 Remove SUnit::Priority1: it is re-calculated on demand as number of live 
range to be generated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26570 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-06 06:08:54 +00:00
Chris Lattner
03fc53c174 Hoist the HazardRecognizer out of the ScheduleDAGList.cpp file to where 
targets can implement them.  Make the top-down scheduler non-g5-specific.

Remove the old testing hazard recognizer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26569 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-06 00:22:00 +00:00
Chris Lattner
67727308fa Comment fixes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26567 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-05 23:59:20 +00:00
Chris Lattner
3c232c83be Don't depend on the C99 copysign function, implement it ourselves. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26566 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-05 23:57:58 +00:00
Chris Lattner
a93dfcd40a When a hazard recognizer needs noops to be inserted, do so. This represents 
noops as null pointers in the instruction sequence.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26564 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-05 23:51:47 +00:00
Chris Lattner
6cc3f0a774 Implement G5HazardRecognizer as a trivial thing that wants 5 cycles between 
copyfromreg nodes.  Clearly useful!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26559 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-05 23:13:56 +00:00
Chris Lattner
ad0f78ace2 Add basic hazard recognizer support. noop insertion isn't complete yet though. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26558 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-05 22:45:01 +00:00
Jeff Cohen
3d68e15c20 Fix VC++ compilation error. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26554 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-05 21:43:37 +00:00
Chris Lattner
a5de484bc7 Split the list scheduler into top-down and bottom-up pieces. The priority 
function of the top-down scheduler are completely bogus currently, and
having (future) PPC specific in this file is also wrong, but this is a
small incremental step.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26552 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-05 21:10:33 +00:00
Chris Lattner
41f5ea0665 Move the available queue to being inside the ListSchedule method, since it 
bounds its lifetime.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26550 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-05 20:21:55 +00:00
Chris Lattner
cac7059d0f Reinstate this now that the offending opposite xform has been removed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26548 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-05 19:53:55 +00:00
Chris Lattner
c1d9f1de41 Do not fold (add (shl x, c1), (shl c2, c1)) -> (shl (add x, c2), c1), 
we want to canonicalize the other way.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26547 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-05 19:52:57 +00:00
Chris Lattner
5267651057 print arbitrary constant pool entries 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26545 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-05 09:38:03 +00:00
Evan Cheng
9176b0169c Back out fold (shl (add x, c1), c2) -> (add (shl x, c2), c1<<c2) for now. 
It's causing an infinite loop compiling ldecod on x86 / Darwin.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26544 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-05 07:30:16 +00:00
Chris Lattner
12d830346b Add some simple copysign folds 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26543 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-05 05:30:57 +00:00
Chris Lattner
a09f848c11 Codegen copysign[f] into a FCOPYSIGN node 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26542 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-05 05:09:38 +00:00
Chris Lattner
a1deca3cd6 fold (mul (add x, c1), c2) -> (add (mul x, c2), c1*c2) 
fold (shl (add x, c1), c2) -> (add (shl x, c2), c1<<c2)

This allows us to compile CodeGen/PowerPC/addi-reassoc.ll into:

_test1:
        slwi r2, r4, 4
        add r2, r2, r3
        lwz r3, 36(r2)
        blr
_test2:
        mulli r2, r4, 5
        add r2, r2, r3
        lbz r2, 11(r2)
        extsb r3, r2
        blr

instead of:

_test1:
        addi r2, r4, 2
        slwi r2, r2, 4
        add r2, r3, r2
        lwz r3, 4(r2)
        blr
_test2:
        addi r2, r4, 2
        mulli r2, r2, 5
        add r2, r3, r2
        lbz r2, 1(r2)
        extsb r3, r2
        blr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26535 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-04 23:33:26 +00:00
Jim Laskey
b80af6f572 Added support for dwarf block data entries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26509 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 21:00:14 +00:00
Jim Laskey
f01e547700 Adding basic structure support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26505 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 15:06:57 +00:00
Evan Cheng
3e1ce5a44d Add more vector NodeTypes: VSDIV, VUDIV, VAND, VOR, and VXOR. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26504 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 07:01:07 +00:00
Evan Cheng
33143dce15 Number of NodeTypes now exceeds 128. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26503 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 06:58:59 +00:00
Evan Cheng
bfa284f697 SDOperand::isOperand should not be a forwarding. It must check *this against N's operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26502 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 06:42:32 +00:00
Evan Cheng
80d8eaae05 Added isOperand(N): true if this is an operand of N 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26501 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 06:24:54 +00:00
Evan Cheng
fb43331226 A bit more tweaking 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26500 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 06:23:43 +00:00
Jeff Cohen
d84525480a Fix VC++ compilation errors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26498 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 03:25:07 +00:00
Evan Cheng
932f022b82 Move #include "llvm/CodeGen/AsmPrinter.h" to top since it's the interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26493 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 02:04:29 +00:00
Chris Lattner
41edaa0529 remove the read/write port/io intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26479 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 00:19:58 +00:00
Chris Lattner
03dd465215 Split memcpy/memset/memmove intrinsics into i32/i64 versions, resolving 
PR709, and paving the way for future progress.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26476 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 00:00:25 +00:00
Evan Cheng
86ec7d1d07 - Fixed some priority calculation bugs that were causing bug 478. Among them: 
a predecessor appearing more than once in the operand list was counted as
  multiple predecessor; priority1 should be updated during scheduling;
  CycleBound was updated after the node is inserted into priority queue; one
  of the tie breaking condition was flipped.
- Take into consideration of two address opcodes. If a predecessor is a def&use
  operand, it should have a higher priority.
- Scheduler should also favor floaters, i.e. nodes that do not have real
  predecessors such as MOV32ri.
- The scheduling fixes / tweaks fixed bug 478:
        .text
        .align  4
        .globl  _f
_f:
        movl 4(%esp), %eax
        movl 8(%esp), %ecx
        movl %eax, %edx
        imull %ecx, %edx
        imull %eax, %eax
        imull %ecx, %ecx
        addl %eax, %ecx
        leal (%ecx,%edx,2), %eax
        ret

  It is also a slight performance win (1% - 3%) for most tests.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26470 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-02 21:38:29 +00:00
Jim Laskey
6a3eb01084 Support for enumerations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26466 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 23:52:37 +00:00
Evan Cheng
246ae0dcf7 Don't print llvm constant in assmebly file. Assembler won't like comments that 
span multiple lines.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26463 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 22:18:09 +00:00
Chris Lattner
1ec05d1bb4 Fix CodeGen/Generic/2006-03-01-dagcombineinfloop.ll, an infinite loop 
in the dag combiner on 176.gcc on x86.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26459 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 21:47:21 +00:00