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17445 Commits

Author SHA1 Message Date
Evan Cheng e54eb80720 If the liveinterval of the source instruction has been extended, remove the IsKill marker. 
llvm-svn: 34594
 2007-02-25 09:41:59 +00:00
Evan Cheng 220a7af107 Only add liveinterval to livein set if it isn't assigned a stack slot. 
llvm-svn: 34593
 2007-02-25 09:39:02 +00:00
Chris Lattner fcee9b5568 fastcc functions that return double values now return them in xmm0 on x86-32. 
This implements CodeGen/X86/fp-stack-ret.ll:test[23]

llvm-svn: 34592
 2007-02-25 09:31:16 +00:00
Chris Lattner 9d9cc84f5b allow vectors to be passed to stdcall/fastcall functions 
llvm-svn: 34590
 2007-02-25 09:14:25 +00:00
Chris Lattner 2fc0d70392 move LowerRET into the 'Return Value Calling Convention Implementation' 
section of the file.

llvm-svn: 34589
 2007-02-25 09:12:39 +00:00
Chris Lattner ba474f58a4 make all Lower*CallTo implementations use LowerCallResult to handle their 
result value stuff.  This eliminates a bunch of duplicated code and now
GetRetValueLocs is the sole place that decides where a value is returned.

llvm-svn: 34588
 2007-02-25 09:10:05 +00:00
Chris Lattner 7802f3e2ea pass the calling convention into Lower*CallTo, instead of using ad-hoc flags. 
llvm-svn: 34587
 2007-02-25 09:06:15 +00:00
Chris Lattner 0cd9960fe7 factor a bunch of code out of LowerCCCCallTo into a new LowerCallResult 
function.  This function now uses GetRetValueLocs to determine *where*
the result values are located and concerns itself with *how* to pull the
values out.

llvm-svn: 34586
 2007-02-25 08:59:22 +00:00
Chris Lattner 3c76309a5b 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 387f464121 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 dfda38f7dc 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 28555779b4 Allow this to compile now that the header file is checked in. 
llvm-svn: 34581
 2007-02-25 07:30:14 +00:00
Chris Lattner d6b853ad1b make void-return not a special case 
llvm-svn: 34579
 2007-02-25 07:18:38 +00:00
Chris Lattner 35a08551a5 eliminate a bunch more temporary vectors from X86 lowering. 
llvm-svn: 34578
 2007-02-25 07:10:00 +00:00
Chris Lattner e56fef9b51 eliminate temporary vectors created during X86 lowering. 
llvm-svn: 34577
 2007-02-25 06:40:16 +00:00
Chris Lattner 84141d4e99 remove std::vector's in RET lowering. 
llvm-svn: 34576
 2007-02-25 06:21:57 +00:00
Chris Lattner 43df5b335c 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 b9bd34f54a Add XLForm_1_ext template, patch by Nicolas Geoffray. 
llvm-svn: 34573
 2007-02-25 05:07:49 +00:00
Chris Lattner 249edb8b67 Improve JIT support for linux/ppc: Patch by Nicolas Geoffray! 
llvm-svn: 34572
 2007-02-25 05:04:13 +00:00
Chris Lattner 4ae31ba82c this doesn't compile, disable it 
llvm-svn: 34571
 2007-02-25 02:32:44 +00:00
Reid Spencer 522ca7cd8b 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 e80e31eada remove crediting of Evan Cheng and me. 
llvm-svn: 34568
 2007-02-25 01:42:36 +00:00
Chris Lattner 168c5856bf initialize a instance variable 
llvm-svn: 34567
 2007-02-25 01:28:05 +00:00
Reid Spencer ab0e08ae2f 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 a5c84d95fa Fix the > 64 bits case for left shift. 
llvm-svn: 34564
 2007-02-25 00:56:44 +00:00
Dale Johannesen 01ee5750f4 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 468ad911cb Fix the remainder shifting in KnuthDiv. 
llvm-svn: 34562
 2007-02-24 20:38:01 +00:00
Reid Spencer 632ebdf8bd 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 df6cf5ab71 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
Jim Laskey e1d1c0590f Deal with cases when MMI is not requested. 
llvm-svn: 34556
 2007-02-24 09:45:44 +00:00
Jim Laskey b869ab6f31 Drop unused operand. 
llvm-svn: 34555
 2007-02-24 09:44:17 +00:00
Reid Spencer a5e0d200c9 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
Chris Lattner 05858a9e32 Fix PR1216 by cleaning up the ownership of JITResolver. 
llvm-svn: 34552
 2007-02-24 02:57:03 +00:00
Chris Lattner d7ef3f804d Fix CodeGen/Generic/2007-02-23-DAGCombine-Miscompile.ll and PR1219 
llvm-svn: 34551
 2007-02-24 02:09:29 +00:00
Chris Lattner a5821eca0d remove folding set debug output 
llvm-svn: 34549
 2007-02-24 01:41:48 +00:00
Chris Lattner fb94fe742b Fix Transforms/ConstProp/2007-02-23-sdiv.ll and PR1215 
llvm-svn: 34548
 2007-02-24 01:19:50 +00:00
Chris Lattner c4d8e7e614 Fix InstCombine/2007-02-23-PhiFoldInfLoop.ll and PR1217 
llvm-svn: 34546
 2007-02-24 01:03:45 +00:00
Chris Lattner 2195fc41ec 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 77a345f000 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 66330fdddb Avoid TBAA issue. 
llvm-svn: 34539
 2007-02-23 22:31:24 +00:00
Lauro Ramos Venancio 0eb70ebbe5 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 520b20d3b7 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 31fef788eb Handle improper cast. 
llvm-svn: 34535
 2007-02-23 21:45:01 +00:00
Evan Cheng 97cc93841d Handle cases when joining live intervals of two virtual registers. 
llvm-svn: 34534
 2007-02-23 20:40:13 +00:00
Jim Laskey 2f28a3cf08 Don't spill LR as a callee saved register. 
llvm-svn: 34533
 2007-02-23 20:34:16 +00:00
Lauro Ramos Venancio 3e906c48d3 Fix stack alignment in functions with varargs. 
llvm-svn: 34532
 2007-02-23 20:32:57 +00:00
Chris Lattner 1e48acb858 fix an obscure and tricky bug the inliner can hit sometimes. 
llvm-svn: 34531
 2007-02-23 19:54:30 +00:00
Devang Patel b1fcb9ae15 Fix thinko. 
llvm-svn: 34528
 2007-02-23 18:05:55 +00:00
Devang Patel d3ccdfd04d Loop passes are set up to accept pointer. 
llvm-svn: 34527
 2007-02-23 17:53:17 +00:00
Evan Cheng 584e051c28 Mark livein registers as being in used. 
llvm-svn: 34525
 2007-02-23 08:41:19 +00:00