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Author SHA1 Message Date
Evan Cheng
7602e11c32 Revamp ARM JIT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55624 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-02 06:52:38 +00:00
Evan Cheng
acff339e39 Change getBinaryCodeForInstr prototype. First operand MachineInstr& should be const. Make corresponding changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55623 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-02 06:51:36 +00:00
Gabor Greif
ed63214fcb Provide two overloads of AnalyzeNewNode. 
The first can update the SDNode in an SDValue
while the second is called with SDNode* and
returns a possibly updated SDNode*.

This patch has no intended functional impact,
but helps eliminating ugly temporary SDValues.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55608 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-01 15:10:19 +00:00
Duncan Sands
1189f3ac3b Even though no caller actually uses the new value 
(what matters is that it is added to the worklist),
it seems more logical to return it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55606 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-01 13:11:13 +00:00
Duncan Sands
14a093ac4c Turn this legalize types test on. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55605 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-01 12:00:55 +00:00
Duncan Sands
3cd652d530 Add a small pass that sets the readnone/readonly 
attributes on functions, based on the result of
alias analysis.  It's not hardwired to use
GlobalsModRef even though this is the only (AFAIK)
alias analysis that results in this pass actually
doing something.  Enable as follows:
  opt ... -globalsmodref-aa -markmodref ...
Advantages of this pass: (1) records the result
of globalsmodref in the bitcode, meaning it is
available for use by later passes (currently
the pass manager isn't smart enough to magically
make an advanced alias analysis available to all
later passes), which may expose more optimization
opportunities; (2) hopefully speeds up compilation
when code is optimized twice, for example when a
file is compiled to bitcode, then later LTO is done
on it: marking functions readonly/readnone when
producing the initial bitcode should speed up alias
analysis during LTO; (3) good for discovering that
globalsmodref doesn't work very well :)
Not currently turned on by default.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55604 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-01 11:40:11 +00:00
Evan Cheng
3aac788365 Control flow instruction encodings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55601 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-01 08:25:56 +00:00
Evan Cheng
3c2ee4939b ldm / stm instruction encodings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55599 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-01 07:48:18 +00:00
Evan Cheng
5d2c1cf74d AXI2 and AXI3 instruction encodings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55598 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-01 07:34:13 +00:00
Evan Cheng
4bbd5f8a9c Reorganize instruction formats again; AXI1 encoding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55597 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-01 07:19:00 +00:00
Evan Cheng
840917be2c addrmode3 instruction encodings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55596 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-01 07:00:14 +00:00
Evan Cheng
0d14fc8cd5 Reorganize some instruction format definitions. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55594 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-01 01:51:14 +00:00
Evan Cheng
93912739c9 Rest of addrmode2 instruction encodings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55593 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-01 01:27:33 +00:00
Evan Cheng
17222df0ec Addr2 word / byte load encodings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55591 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-31 19:02:21 +00:00
Evan Cheng
b7880ac470 Addr1 instructions opcodes are encoded in bits 21-24; encode S bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55590 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-31 18:32:16 +00:00
Gabor Greif
93c53e5583 fix a bunch of 80-col violations 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55588 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-31 15:37:04 +00:00
Bill Wendling
9440e35b98 Revert the "XFAIL" for the rotate_ops.ll testcase. Instead, mark ISD::ROTR 
instructions in CellSPU as "Expand" so that they won't be generated. I added a
"FIXME" so that this hack can be addressed and reverted once ISD::ROTR is
supported in the .td files.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55582 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-31 02:59:23 +00:00
Bill Wendling
3156b62855 Expand for ROTR with MVT::i64. 
Dale, Could you please review this?


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55581 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-31 02:53:19 +00:00
Bill Wendling
70fcb6bf58 CellSPU doesn't appear to support fully the "ISD::ROTR" operation. The DAG 
combiner can now generate ROTR if the backend says that it can handle it. Cell
SPU says this, but gets an error from code gen saying that it can't select
ROTR. I'm xfailing this test until this can be fixed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55579 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-31 02:32:12 +00:00
Bill Wendling
acb04ec427 Cosmetic changes to Machine LICM. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55578 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-31 02:30:23 +00:00
Bill Wendling
2692d59574 Another situation where ROTR is cheaper than ROTL. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55577 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-31 01:13:31 +00:00
Bill Wendling
353dea2f0a For this pattern, ROTR is the cheaper option. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55576 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-31 01:04:56 +00:00
Bill Wendling
c5cbda12e9 - Fix comment so that it describes how the code really works: 
// fold (or (shl x, (*ext y)), (srl x, (*ext (sub 32, y)))) ->
   //   (rotl x, y)
   // fold (or (shl x, (*ext y)), (srl x, (*ext (sub 32, y)))) ->
   //   (rotr x, (sub 32, y))

Example: (x == 0xDEADBEEF and y == 4)

    (x << 4) | (x >> 28)
 => 0xEADBEEF0 | 0x0000000D
 => 0xEADBEEFD

    (rotl x, 4)
 => 0xEADBEEFD

    (rotr x, 28)
 => 0xEADBEEFD

- Fix comment and code for second version. It wasn't using the rot* propertly.

   // fold (or (shl x, (*ext (sub 32, y))), (srl x, (*ext r))) -> 
   //   (rotr x, y)
   // fold (or (shl x, (*ext (sub 32, y))), (srl x, (*ext r))) ->
   //   (rotl x, (sub 32, y))

    (x << 28) | (x >> 4)
 => 0xD0000000 | 0x0DEADBEE
 => 0xDDEADBEE

    (rotl x, 4)
 => 0xEADBEEFD

    (rotr x, 28)
 => (0xEADBEEFD)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55575 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-31 00:37:27 +00:00
Gabor Greif
dc71563794 typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55574 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-30 22:16:05 +00:00
Gabor Greif
12632d2222 fix some 80-col violations 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55571 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-30 19:29:20 +00:00
Gordon Henriksen
07cabf6102 PR2731: C and Ocaml bindings for setTailCall and isTailCall. 
Based on patch by Giorgos Korfiatis.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55570 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-30 16:34:54 +00:00
Gordon Henriksen
699609cf91 Fix ConstantExpr::getInsertElement. 
Breakage was exposed in the Ocaml bindings tests after Chris
uncommented an assertion in r55084.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55566 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-30 15:41:51 +00:00
Gabor Greif
92362680c1 fix some 80-col violations 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55565 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-30 10:09:02 +00:00
Evan Cheng
cd04708f59 Re-apply 55467 with fix. If copy is being replaced by remat'ed def, transfer the implicit defs onto the remat'ed instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55564 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-30 09:09:33 +00:00
Evan Cheng
3689ff450a Fold isRematerializable checks into isSafeToReMat. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55563 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-30 09:07:18 +00:00
Evan Cheng
b18ae3cb63 For now, can't mark XOR64rr isAsCheapAsAMove. It's technically correct. But various passes cannot handle remating these. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55562 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-30 08:54:22 +00:00
Evan Cheng
eb9f89287e Transform (x << (y&31)) -> (x << y). This takes advantage of the fact x86 shift instructions 2nd operand (shift count) is limited to 0 to 31 (or 63 in the x86-64 case). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55558 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-30 02:03:58 +00:00
Daniel Dunbar
dcf114e861 Enable -fvisibility-inlines-hidden by default for compilers which 
support it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55557 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-30 01:16:19 +00:00
Dale Johannesen
c4db7276e0 Testcases for ppc atomics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55556 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-30 00:54:31 +00:00
Owen Anderson
cc54e76cc6 Fix an issue where a use might be selected before a def, and then we didn't respect the pre-chosen vreg 
assignment when selecting the def.  This is the naive solution to the problem: insert a copy to the pre-chosen
vreg.  Other solutions might be preferable, such as:
  1) Passing the dest reg into FastEmit_.  However, this would require the higher level code to know about reg classes, which they don't currently.
  2) Selecting blocks in reverse postorder.  This has some compile time cost for computing the order, and we'd need to measure its impact.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55555 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-30 00:38:46 +00:00
Dale Johannesen
ea9eedb787 Add ppc partial-word ATOMIC_CMP_SWAP. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55554 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-30 00:08:53 +00:00
Evan Cheng
456704476f Swap fp comparison operands and change predicate to allow load folding (safely this time). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55553 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 23:22:12 +00:00
Evan Cheng
97af60b3ae Use static_cast instead of C style cast. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55552 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 23:21:31 +00:00
Evan Cheng
4529966d99 Fix 80 col. violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55551 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 23:20:46 +00:00
Evan Cheng
50ead9099d xfail this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55550 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 22:59:13 +00:00
Evan Cheng
17a568b668 Back out 55498. It broken Apple style bootstrapping. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55549 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 22:21:44 +00:00
Evan Cheng
94a50da93c Backing out 55521. Not safe. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55548 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 22:13:21 +00:00
Dale Johannesen
0e55f0678c Add partial word version of ATOMIC_SWAP. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55546 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 18:29:46 +00:00
Owen Anderson
667d8f7607 Add initial support for fast isel of instructions that have inputs pinned to physical registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55545 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 17:45:56 +00:00
Chris Lattner
15bd095aa5 regenerate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55542 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 17:20:18 +00:00
Chris Lattner
828db8a2f9 Asmprint nameless instructions as: 
%4 = add ...

instead of:

add ...    ; 4

This makes opt -print-cfg output actually usable and makes .ll files
generally easier to read.  This fixes PR2480


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55541 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 17:19:30 +00:00
Chris Lattner
33e4e610b5 allow this to pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55540 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 17:18:26 +00:00
Chris Lattner
6ac28095c2 Add support for parsing .ll files that have numbers in front of 
nameless values, such as:

%3 = add i32 4, 2

This fixes the first half of PR2480



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55539 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 17:12:13 +00:00
Evan Cheng
ba705f62b1 TableGen'ing instruction encodings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55533 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 07:42:03 +00:00
Evan Cheng
612b79edc9 addrmode1 (data processing) instruction encoding: bits 5-6 are 0, bits 7-10 encode the opcode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55531 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 07:40:52 +00:00