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Author SHA1 Message Date
Chris Lattner
3bfbc23ccd move some code around, pass in calling conv, even though it is unused 
llvm-svn: 34585
 2007-02-25 08:29:00 +00:00
Chris Lattner
e9c4c19b27 fold trivial token factor nodes. This allows us to compile 
test/CodeGen/X86/fp-stack-ret.ll into:

        movl 4(%esp), %eax
        fldl (%eax)
        ret

instead of:

        subl $12, %esp
        movl 16(%esp), %eax
        movsd (%eax), %xmm0
        movsd %xmm0, (%esp)
        fldl (%esp)
        addl $12, %esp
        ret

by eliminating a token factor that blocked a check.

llvm-svn: 34584
 2007-02-25 08:24:27 +00:00
Chris Lattner
b71ec8d1cf new testcase 
llvm-svn: 34583
 2007-02-25 08:23:01 +00:00
Chris Lattner
f119813ff4 simplify result value lowering by splitting the selection of *where* to return 
registers out from the logic of *how* to return them.

This changes X86-64 to mark EAX live out when returning a 32-bit value,
where before it marked RAX liveout.

llvm-svn: 34582
 2007-02-25 08:15:11 +00:00
Reid Spencer
ec6159bbea Allow this to compile now that the header file is checked in. 
llvm-svn: 34581
 2007-02-25 07:30:14 +00:00
Reid Spencer
e7d8a0e3b7 Add a private constructor for efficiency. 
llvm-svn: 34580
 2007-02-25 07:29:03 +00:00
Chris Lattner
bcce79717b make void-return not a special case 
llvm-svn: 34579
 2007-02-25 07:18:38 +00:00
Chris Lattner
d00fcb3277 eliminate a bunch more temporary vectors from X86 lowering. 
llvm-svn: 34578
 2007-02-25 07:10:00 +00:00
Chris Lattner
f7eeef816d eliminate temporary vectors created during X86 lowering. 
llvm-svn: 34577
 2007-02-25 06:40:16 +00:00
Chris Lattner
6f25082e67 remove std::vector's in RET lowering. 
llvm-svn: 34576
 2007-02-25 06:21:57 +00:00
Chris Lattner
a38cc935a9 verify i128 return on x86-64 continues to codegen optimally. 
llvm-svn: 34575
 2007-02-25 06:06:49 +00:00
Chris Lattner
041fb5bc67 implement support for the linux/ppc function call ABI. Patch by 
Nicolas Geoffray!

llvm-svn: 34574
 2007-02-25 05:34:32 +00:00
Chris Lattner
ed4920842f Add XLForm_1_ext template, patch by Nicolas Geoffray. 
llvm-svn: 34573
 2007-02-25 05:07:49 +00:00
Chris Lattner
42cfb7c452 Improve JIT support for linux/ppc: Patch by Nicolas Geoffray! 
llvm-svn: 34572
 2007-02-25 05:04:13 +00:00
Chris Lattner
5adebeb207 this doesn't compile, disable it 
llvm-svn: 34571
 2007-02-25 02:32:44 +00:00
Chris Lattner
18388d5d40 remove these. 
llvm-svn: 34570
 2007-02-25 02:28:21 +00:00
Reid Spencer
0fd90c3447 Clean up lshr and ashr to coding standards. 
Handle the single word cases for shiftAmt == BitWidth.

llvm-svn: 34569
 2007-02-25 01:56:07 +00:00
Dale Johannesen
6e366a1006 remove crediting of Evan Cheng and me. 
llvm-svn: 34568
 2007-02-25 01:42:36 +00:00
Chris Lattner
b9f2992e38 initialize a instance variable 
llvm-svn: 34567
 2007-02-25 01:28:05 +00:00
Chris Lattner
7aa773f8f0 update this for llvm-gcc4 
llvm-svn: 34566
 2007-02-25 01:11:36 +00:00
Reid Spencer
66e162cfcd Whoops, last word with bits in large shift left wasn't correct. 
llvm-svn: 34565
 2007-02-25 01:08:58 +00:00
Reid Spencer
4dcbccdc99 Fix the > 64 bits case for left shift. 
llvm-svn: 34564
 2007-02-25 00:56:44 +00:00
Dale Johannesen
ccecc12da5 Removed WaterListOffset, inserted BBOffsets. Remove TODO item about this 
from README.
When no water available, use end of block if in range.  (More to do here.)

llvm-svn: 34563
 2007-02-25 00:47:03 +00:00
Reid Spencer
ecc067a698 Fix the remainder shifting in KnuthDiv. 
llvm-svn: 34562
 2007-02-24 20:38:01 +00:00
Reid Spencer
d6956a0e8c 1. Fix a bug in fromString for the <= 64bits case 
2. Fix shl when shiftAmount == BitWidth.

llvm-svn: 34560
 2007-02-24 20:19:37 +00:00
Reid Spencer
e2bb0cf83e 1. Fix last bug in KnuthDiv. All divide tests pass up to 1024 bits now. 
2. Clean up comments, style, coding standards, etc.
3. Simplify a constructor.

Extended testing revealed some additional bugs in shifting. I'll fix these
tomorrow.

llvm-svn: 34559
 2007-02-24 10:01:42 +00:00
Reid Spencer
a2a4a55915 Improve documentation. 
Make divide function internal (it was briefly external for testing).

llvm-svn: 34557
 2007-02-24 09:50:13 +00:00
Jim Laskey
53e71a9657 Deal with cases when MMI is not requested. 
llvm-svn: 34556
 2007-02-24 09:45:44 +00:00
Jim Laskey
10c6c6b46d Drop unused operand. 
llvm-svn: 34555
 2007-02-24 09:44:17 +00:00
Reid Spencer
b45646b14e 1. Make internal functions take const arguments where they should, just 
to be safe.
2. Make internal functions that return a carry/borrow return bool instead
   of uint64_t because the carry/borrow can only be in range [0,1].
3. Assert that the pointers to KnuthDiv are all different so that the
   result and operands can't overlap.
4. Add debug output to KnuthDiv function.
5. Fix a problem with KnuthDiv by separating the b's complement operation
   from the subtraction borrow operation. This fixes a wide range of
   division problems, but alas, not all of them.

llvm-svn: 34554
 2007-02-24 03:58:46 +00:00
Bill Wendling
e4ae26c339 Added some more information on how to use "delta" to reduce testcases. 
llvm-svn: 34553
 2007-02-24 03:46:42 +00:00
Chris Lattner
28f1c620c6 Fix PR1216 by cleaning up the ownership of JITResolver. 
llvm-svn: 34552
 2007-02-24 02:57:03 +00:00
Chris Lattner
6faf9e8e97 Fix CodeGen/Generic/2007-02-23-DAGCombine-Miscompile.ll and PR1219 
llvm-svn: 34551
 2007-02-24 02:09:29 +00:00
Chris Lattner
e7afa2a6d9 testcase for PR1219 
llvm-svn: 34550
 2007-02-24 02:08:00 +00:00
Chris Lattner
e37ee33c4e remove folding set debug output 
llvm-svn: 34549
 2007-02-24 01:41:48 +00:00
Chris Lattner
5480ffb904 Fix Transforms/ConstProp/2007-02-23-sdiv.ll and PR1215 
llvm-svn: 34548
 2007-02-24 01:19:50 +00:00
Chris Lattner
63ddace902 testcase for pr1215 
llvm-svn: 34547
 2007-02-24 01:16:39 +00:00
Chris Lattner
14217fb105 Fix InstCombine/2007-02-23-PhiFoldInfLoop.ll and PR1217 
llvm-svn: 34546
 2007-02-24 01:03:45 +00:00
Chris Lattner
f222a6e498 testcase for pr1217 
llvm-svn: 34545
 2007-02-24 01:03:11 +00:00
Chris Lattner
0eb72353e4 Refactor the setName stuff, moving it down the inheritance hierarchy, to 
solve a crash in -instcombine -debug that was hit while investigating PR1217

llvm-svn: 34544
 2007-02-24 00:55:48 +00:00
Bill Wendling
ecddfdcff7 Make the testcase correct. 
llvm-svn: 34543
 2007-02-23 23:23:41 +00:00
Bill Wendling
ea0c8f06ca Testcase for PR1164 
llvm-svn: 34542
 2007-02-23 23:19:32 +00:00
Bill Wendling
2c5f64532b PR1164: 
Generate local names with a "llvm_cbe_" prefix using the actual name of the
variable instead of a temporary name.

llvm-svn: 34540
 2007-02-23 22:45:08 +00:00
Chris Lattner
042d3195c9 Avoid TBAA issue. 
llvm-svn: 34539
 2007-02-23 22:31:24 +00:00
Jim Laskey
2a5840bc73 New test - practically wrote itself. 
llvm-svn: 34538
 2007-02-23 22:12:08 +00:00
Lauro Ramos Venancio
19040a3f0d bugfix: SP wasn't updated for varargs when frame pointer was eliminated. 
llvm-svn: 34537
 2007-02-23 21:53:48 +00:00
Evan Cheng
a68efe308e Reuse extends the liveness of a register. Transfer the kill to the operand that reuse it. 
llvm-svn: 34536
 2007-02-23 21:47:50 +00:00
Jim Laskey
dda4a7577f Handle improper cast. 
llvm-svn: 34535
 2007-02-23 21:45:01 +00:00
Evan Cheng
f2035d3916 Handle cases when joining live intervals of two virtual registers. 
llvm-svn: 34534
 2007-02-23 20:40:13 +00:00
Jim Laskey
704423b797 Don't spill LR as a callee saved register. 
llvm-svn: 34533
 2007-02-23 20:34:16 +00:00