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22985 Commits

Author SHA1 Message Date
Chris Lattner bce2626d8a updates for recent changes 
llvm-svn: 26481
 2006-03-03 01:21:36 +00:00
Chris Lattner 72a269f5de mention some major changes 
llvm-svn: 26480
 2006-03-03 00:34:26 +00:00
Chris Lattner ad3c974a77 remove the read/write port/io intrinsics. 
llvm-svn: 26479
 2006-03-03 00:19:58 +00:00
Chris Lattner f7d616278e Remove these testcases. These intrinsics are going away 
llvm-svn: 26478
 2006-03-03 00:16:23 +00:00
Chris Lattner 0c8b259e5a Update the llvm.memset/memcpy/memmove intrinsics to reflect the recent split 
into types.

llvm-svn: 26477
 2006-03-03 00:07:20 +00:00
Chris Lattner 093c159efb Split memcpy/memset/memmove intrinsics into i32/i64 versions, resolving 
PR709, and paving the way for future progress.

llvm-svn: 26476
 2006-03-03 00:00:25 +00:00
Chris Lattner 259d680c15 Simplify the autoupgrade interface 
llvm-svn: 26475
 2006-03-02 23:59:12 +00:00
Chris Lattner d124535de1 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

llvm-svn: 26474
 2006-03-02 23:58:40 +00:00
Chris Lattner 3c2733b090 new testcases 
llvm-svn: 26473
 2006-03-02 23:56:23 +00:00
Chris Lattner 9067500e2e add a note 
llvm-svn: 26472
 2006-03-02 22:34:38 +00:00
Evan Cheng dc41f80f70 Add a regression test for bug 478. 
llvm-svn: 26471
 2006-03-02 21:48:34 +00:00
Evan Cheng 4e3904f637 - 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.

llvm-svn: 26470
 2006-03-02 21:38:29 +00:00
Chris Lattner 85dda9a2bd Generalize the REM folding code to handle another case Nick Lewycky 
pointed out: realize the AND can provide factors and look through Casts.

llvm-svn: 26469
 2006-03-02 06:50:58 +00:00
Chris Lattner dad25c7f22 add a couple more cases 
llvm-svn: 26468
 2006-03-02 06:50:04 +00:00
Chris Lattner 3080950acb Fix a compilation error with GCC 4.1. Thanks to Vladimir Merzliakov for 
pointing this out.

llvm-svn: 26467
 2006-03-02 00:21:41 +00:00
Jim Laskey 862001ad75 Support for enumerations. 
llvm-svn: 26466
 2006-03-01 23:52:37 +00:00
Chris Lattner c652c30772 testcase that crashed the new CFE 
llvm-svn: 26465
 2006-03-01 22:45:12 +00:00
Evan Cheng 38d5e768b2 Don't print llvm constant in assmebly file. Assembler won't like comments that 
span multiple lines.

llvm-svn: 26463
 2006-03-01 22:18:09 +00:00
Evan Cheng 5b19a80321 Back out my last check-in. Wrong place to fix it. 
llvm-svn: 26462
 2006-03-01 22:17:00 +00:00
Evan Cheng 302bdb586f AsmWriter should not print LLVM constant in comment. Assembler won't like 
multi-line comments.

llvm-svn: 26461
 2006-03-01 22:00:59 +00:00
Chris Lattner 0db2f2c689 Fix CodeGen/Generic/2006-03-01-dagcombineinfloop.ll, an infinite loop 
in the dag combiner on 176.gcc on x86.

llvm-svn: 26459
 2006-03-01 21:47:21 +00:00
Chris Lattner 4a6d29d008 new testcase 
llvm-svn: 26458
 2006-03-01 21:46:53 +00:00
Jim Laskey a63009c745 Remove extra comma from enum list. 
llvm-svn: 26457
 2006-03-01 20:49:44 +00:00
Jim Laskey 088ab4bab6 Remove comma from enum list. 
llvm-svn: 26456
 2006-03-01 20:48:20 +00:00
Jim Laskey 4e71db13d6 Switch back to using actual dwarf tags. Simplifies code without loss to other 
debug forms.

llvm-svn: 26455
 2006-03-01 20:39:36 +00:00
Chris Lattner 232024edb8 Fix a typo evan noticed 
llvm-svn: 26454
 2006-03-01 19:55:35 +00:00
Jim Laskey f770cf5b90 Use context and not compile unit. 
llvm-svn: 26453
 2006-03-01 18:20:30 +00:00
Jim Laskey 1246d5c054 I guess I can handle large type sizes. 
llvm-svn: 26452
 2006-03-01 18:13:05 +00:00
Jim Laskey b9ac4cba66 Basic array support. 
llvm-svn: 26451
 2006-03-01 17:53:02 +00:00
Chris Lattner 60a60f4b1e Implement CodeGen/PowerPC/or-addressing-mode.ll, which is also PR668. 
llvm-svn: 26450
 2006-03-01 07:14:48 +00:00
Chris Lattner 0454b2d080 load (x|y) -> load (x+y) iff x and y have no common bits. 
llvm-svn: 26449
 2006-03-01 07:13:56 +00:00
Chris Lattner 3cb349a068 add a note 
llvm-svn: 26448
 2006-03-01 06:36:20 +00:00
Chris Lattner 27f5345b1f Compile this: 
void foo(float a, int *b) { *b = a; }

to this:

_foo:
        fctiwz f0, f1
        stfiwx f0, 0, r4
        blr

instead of this:

_foo:
        fctiwz f0, f1
        stfd f0, -8(r1)
        lwz r2, -4(r1)
        stw r2, 0(r4)
        blr

This implements CodeGen/PowerPC/stfiwx.ll, and also incidentally does the
right thing for GCC bugzilla 26505.

llvm-svn: 26447
 2006-03-01 05:50:56 +00:00
Chris Lattner 160cc92461 new testcase. These functions shouldn't touch the stack if stfiwx use 
is enabled.

llvm-svn: 26446
 2006-03-01 05:49:05 +00:00
Chris Lattner f418435819 Use a target-specific dag-combine to implement CodeGen/PowerPC/fp-int-fp.ll. 
llvm-svn: 26445
 2006-03-01 04:57:39 +00:00
Chris Lattner 21d44e6dfe new testcase. There should be no accesses to the stack for these functions. 
llvm-svn: 26444
 2006-03-01 04:56:33 +00:00
Chris Lattner bc1c85beea Add support for target-specific dag combines 
llvm-svn: 26443
 2006-03-01 04:53:38 +00:00
Chris Lattner 4a2eeea671 Add interfaces for targets to provide target-specific dag combiner optimizations. 
llvm-svn: 26442
 2006-03-01 04:52:55 +00:00
Chris Lattner fbcd62d3bb Add a new AddToWorkList method, start using it 
llvm-svn: 26441
 2006-03-01 04:03:14 +00:00
Chris Lattner 324871ef1a Pull shifts by a constant through multiplies (a form of reassociation), 
implementing Regression/CodeGen/X86/mul-shift-reassoc.ll

llvm-svn: 26440
 2006-03-01 03:44:24 +00:00
Chris Lattner e8ddd8a72f new testcase 
llvm-svn: 26439
 2006-03-01 03:43:38 +00:00
Evan Cheng 1926427351 Vector op lowering. 
llvm-svn: 26438
 2006-03-01 01:11:20 +00:00
Evan Cheng 53a2d60bca New vector type v2f32. 
llvm-svn: 26437
 2006-03-01 01:10:52 +00:00
Evan Cheng b97aab4371 Vector ops lowering. 
llvm-svn: 26436
 2006-03-01 01:09:54 +00:00
Evan Cheng 91c574b642 New type v2f32. 
llvm-svn: 26435
 2006-03-01 01:06:22 +00:00
Evan Cheng 5dc7772620 Missing a cast previously. 
llvm-svn: 26434
 2006-03-01 00:58:54 +00:00
Evan Cheng 5d5f6f3e32 - Added v2f32, not used by any target currently. Only for testing purpose. 
- Minor bug fix.

llvm-svn: 26433
 2006-03-01 00:55:26 +00:00
Evan Cheng be85e89ec4 - Added VConstant as an abstract version of ConstantVec. 
- All abstrct vector nodes must have # of elements and element type as their
first two operands.

llvm-svn: 26432
 2006-03-01 00:51:13 +00:00
Evan Cheng 2a78abd411 Add a test case for left shift by 1. We should not be using lea for this. 
llvm-svn: 26431
 2006-02-28 23:57:45 +00:00
Evan Cheng 0e69f45b07 Another entry. 
llvm-svn: 26430
 2006-02-28 23:38:49 +00:00