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Author SHA1 Message Date
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
9601a86a64 Copysign needs to be expanded everywhere. Note that Alpha and IA64 should 
implement copysign as a native op if they have it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26541 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-05 05:08:37 +00:00
Chris Lattner
a4929df2da add a note for something evan noticed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26539 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-05 01:15:18 +00:00
Chris Lattner
220b0cf3e4 Make vector narrowing more effective, implementing 
Transforms/InstCombine/vec_narrow.ll.  This add support for narrowing
extract_element(insertelement) also.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26538 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-05 00:22:33 +00:00
Chris Lattner
9f17be690e Implemented. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26536 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-04 23:33:44 +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
Chris Lattner
2cfdd2854c Fix a crash compiling Obsequi 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26529 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-04 21:48:01 +00:00
Chris Lattner
e5022fe4cd Add factoring of multiplications, e.g. turning A*A+A*B into A*(A+B). 
Testcase here: Transforms/Reassociate/mulfactor.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26524 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-04 09:31:13 +00:00
Chris Lattner
ad01993194 Add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26523 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-04 08:44:51 +00:00
Chris Lattner
c2c6038913 Regenerate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26522 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-04 07:53:41 +00:00
Chris Lattner
7d5c1e1ed1 Don't use invalidated iterators! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26521 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-04 07:53:16 +00:00
Evan Cheng
f42f516984 Add an entry 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26520 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-04 07:49:50 +00:00
Chris Lattner
ab51f3fa96 Canonicalize (X+C1)*C2 -> X*C2+C1*C2 
This implements Transforms/InstCombine/add.ll:test31


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26519 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-04 06:04:02 +00:00
Evan Cheng
62bec2ca4c MEMSET / MEMCPY lowering bugs: we can't issue a single WORD / DWORD version of 
rep/stos and rep/mov if the count is not a constant. We could do
  rep/stosl; and $count, 3; rep/stosb
For now, I will lower them to memset / memcpy calls. We will revisit this after
a little bit experiment.

Also need to take care of the trailing bytes even if the count is a constant.
Since the max. number of trailing bytes are 3, we will simply issue loads /
stores.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26517 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-04 02:48:56 +00:00
Chris Lattner
5a3cf8de5d Be more conservative with our symbolic alias analysis. In particular, 
don't assume that A[1][0] and A[0][i] can't alias.  "i" might be out of
range, or even negative.  This fixes a miscompilation of 188.ammp (which
does bad pointer tricks) with the new CFE.

Testcase here: Analysis/BasicAA/2006-03-03-BadArraySubscript.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26515 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-04 02:06:34 +00:00
Chris Lattner
b27b69f283 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26513 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-04 01:19:34 +00:00
Evan Cheng
8df346b4e8 Typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26512 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-04 01:12:00 +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
Chris Lattner
329b951b69 Unbreak autouprade of llvm.sqrt, simplify some code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26506 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 16:31:22 +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
a8309ae1cb Split the valuetypes out of Target.td into ValueTypes.td 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26490 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 01:55:26 +00:00
Chris Lattner
21959390c1 Change this to work with renamed intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26484 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 01:34:17 +00:00
Chris Lattner
aecb0627fa Make this work with renamed intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26482 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 01:30:23 +00:00
Chris Lattner
01ac91e2fd updates for recent changes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26481 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 01:21:36 +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
Chris Lattner
bad08000f1 Simplify the autoupgrade interface 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26475 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-02 23:59:12 +00:00
Chris Lattner
ffa987d3ee Split memcpy/memset/memmove intrinsics into i32/i64 versions, resolving 
PR709, and paving the way for future progress.

Significantly refactor autoupgrading code, to handle the more complex case
(where we upgrade one argument in a function), and fix some bugs in it.

Testcase here: llvm/test/Regression/Bytecode/memcpy.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26474 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-02 23:58:40 +00:00
Chris Lattner
89188a1096 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26472 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-02 22:34:38 +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
Chris Lattner
db3f873bd8 Generalize the REM folding code to handle another case Nick Lewycky 
pointed out: realize the AND can provide factors and look through Casts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26469 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-02 06:50:58 +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
Evan Cheng
a4ffcc23a2 Back out my last check-in. Wrong place to fix it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26462 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 22:17:00 +00:00
Evan Cheng
7cfdd01869 AsmWriter should not print LLVM constant in comment. Assembler won't like 
multi-line comments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26461 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 22:00:59 +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
Jim Laskey
9c4447aa2b Switch back to using actual dwarf tags. Simplifies code without loss to other 
debug forms.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26455 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 20:39:36 +00:00
Chris Lattner
b2742f4a26 Fix a typo evan noticed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26454 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 19:55:35 +00:00
Jim Laskey
92ae740396 Use context and not compile unit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26453 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 18:20:30 +00:00