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83d760ba8e
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Author SHA1 Message Date
Chris Lattner
83d760ba8e Testcase for PR1721 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45739 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-08 05:16:29 +00:00
Owen Anderson
0d893b4038 Actually insert copies now! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45738 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-08 05:16:15 +00:00
Chris Lattner
4a6a6f21f3 Fix PR1797 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45736 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-08 04:26:20 +00:00
Evan Cheng
b353459d68 Minor fix to enable x86-64 pic jit (still fails for other reasons). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45734 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-08 02:07:10 +00:00
Evan Cheng
b1a9aec515 Fix a x86-64 static codegen bug. This fixes a lot of x86-64 jit failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45733 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-08 02:06:11 +00:00
Bill Wendling
750ec00436 Silence warning about loss of precision. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45731 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-08 00:52:29 +00:00
Evan Cheng
325474e065 Only mark instructions that load a single value without extension as isSimpleLoad = 1. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45727 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 23:56:57 +00:00
Chris Lattner
f7c8db9ab5 add a new bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45726 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 23:16:55 +00:00
Evan Cheng
9b44944d3d Unbreak x86-64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45725 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 23:08:23 +00:00
Chris Lattner
84a7c41251 add a note that is important for some fp apps. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45723 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 21:59:58 +00:00
Chris Lattner
b3041948eb possible switch lowering improvement. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45720 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 21:38:14 +00:00
Owen Anderson
0b4825c38b Oops, missed one. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45719 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 21:32:09 +00:00
Owen Anderson
9e549202a0 Make some predicates static. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45718 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 21:30:40 +00:00
Duncan Sands
6aae7a748e I doubt the address of the Error string was intended 
to be used for the force_interpreter parameter...
Spotted by gcc-4.2.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45714 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 19:14:42 +00:00
Duncan Sands
9c5525f4fa Add missing newline at EOF. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45712 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 19:13:36 +00:00
Nate Begeman
a95afe2b5f Update the comment on scalar to vector to be a bit more clear. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45707 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 17:52:24 +00:00
Nate Begeman
337c213c18 Update test to catch recent x86 insert regression and improvements 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45705 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 17:49:23 +00:00
Duncan Sands
6c3470efdc Small cleanup for handling of type/parameter attribute 
incompatibility.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45704 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 17:16:06 +00:00
Duncan Sands
30d15751c8 Unbreak x86-32 darwin long double! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45703 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 16:36:38 +00:00
Duncan Sands
004a81dcc7 Fix long double support on x86-32 linux. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45701 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 13:44:22 +00:00
Gordon Henriksen
c45d98d966 Pruning includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45700 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 13:30:38 +00:00
Bill Wendling
323cd29009 Operand 1 should be a register. We don't care if it's a preg, vreg, or 0. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45699 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 08:05:29 +00:00
Chris Lattner
4e4e46143a add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45698 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 07:46:23 +00:00
Chris Lattner
f14cf85e33 remove #includage 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45697 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 07:42:25 +00:00
Chris Lattner
d3f99e2bbf split TargetInstrDesc out into its own header file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45696 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 07:33:08 +00:00
Chris Lattner
749c6f6b5e rename TargetInstrDescriptor -> TargetInstrDesc. 
Make MachineInstr::getDesc return a reference instead
of a pointer, since it can never be null.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45695 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 07:27:27 +00:00
Chris Lattner
682b8aed07 remove a dead method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45694 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 06:47:10 +00:00
Chris Lattner
3db805ea80 simplify some code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45693 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 06:47:00 +00:00
Chris Lattner
0ff23966fe Rename all the M_* flags to be namespace qualified enums, and switch 
all clients over to using predicates instead of these flags directly.
These are now private values which are only to be used to statically
initialize the tables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45692 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 06:42:05 +00:00
Chris Lattner
c17d69fa1e use predicate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45691 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 06:37:29 +00:00
Chris Lattner
e32d765f99 add more and significantly better comments to the rest of the machineinstr 
flags that can be set.  Add predicates for the ones lacking it, and switch
some clients over to using the predicates instead of Flags directly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45690 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 06:21:53 +00:00
Chris Lattner
f86e1df877 simplify some code using new predicates 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45689 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 05:40:58 +00:00
Chris Lattner
13cea0bcef add some mroe comments, add a isImplicitDef() method, add 
isConditionalBranch() and isUnconditionalBranch() methods.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45688 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 05:38:38 +00:00
Chris Lattner
8f707e15fb rename hasVariableOperands() -> isVariadic(). Add some comments. 
Evan, please review the comments I added to getNumDefs to make sure
that they are accurate, thx.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45687 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 05:19:29 +00:00
Chris Lattner
4764189298 Move M_* flags down in the file. Move SchedClass up in the 
TargetInstrDescriptor class and shrink to 16-bits, saving a 
word in TargetInstrDescriptor.  Add some comments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45686 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 05:06:49 +00:00
Chris Lattner
775060d007 remove a dead field. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45685 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 04:57:42 +00:00
Chris Lattner
af3eb7c758 the name field of instructions is never set to a non-empty string, 
just unconditionally use the def name of the instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45684 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 04:57:31 +00:00
Chris Lattner
7358c193fd no need to explicitly clear these fields. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45683 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 04:55:09 +00:00
Gordon Henriksen
0aaa4f0130 Removing a leaked file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45681 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 03:23:52 +00:00
Chris Lattner
349c495200 Move a bunch more accessors from TargetInstrInfo to TargetInstrDescriptor 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45680 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 03:13:06 +00:00
Chris Lattner
cc8cd0cbf1 remove MachineOpCode typedef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45679 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 02:48:55 +00:00
Chris Lattner
ba6da5d5b7 remove some uses of MachineOpCode, move getSchedClass 
into TargetInstrDescriptor from TargetInstrInfo.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45678 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 02:46:03 +00:00
Chris Lattner
8ca5c67c6e Add predicates methods to TargetOperandInfo, and switch all clients 
over to using them, instead of diddling Flags directly.  Change the
various flags from const variables to enums.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45677 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 02:39:19 +00:00
Gordon Henriksen
572742e876 Setting GlobalDirective in TargetAsmInfo by default rather than 
providing a misleading facility. It's used once in the MIPS backend
and hardcoded as "\t.globl\t" everywhere else.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45676 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 02:31:11 +00:00
Gordon Henriksen
9bb0681028 Deleting an empty file. Thanks, /usr/bin/patch! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45675 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 02:29:04 +00:00
Chris Lattner
69244300b8 Rename MachineInstr::getInstrDescriptor -> getDesc(), which reflects 
that it is cheap and efficient to get.

Move a variety of predicates from TargetInstrInfo into 
TargetInstrDescriptor, which makes it much easier to query a predicate
when you don't have TII around.  Now you can use MI->getDesc()->isBranch()
instead of going through TII, and this is much more efficient anyway. Not
all of the predicates have been moved over yet.

Update old code that used MI->getInstrDescriptor()->Flags to use the
new predicates in many places.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45674 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 01:56:04 +00:00
Owen Anderson
6425f8be72 Update CodeGen for MRegisterInfo --> TargetInstrInfo changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45673 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 01:35:56 +00:00
Owen Anderson
43dbe05279 Move even more functionality from MRegisterInfo into TargetInstrInfo. 
Some day I'll get it all moved over...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45672 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 01:35:02 +00:00
Gordon Henriksen
93f96d00bf Ammending r45669 with a missing file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45671 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 01:33:09 +00:00
Gordon Henriksen
8fa8929177 With this patch, the LowerGC transformation becomes the 
ShadowStackCollector, which additionally has reduced overhead with
no sacrifice in portability.

Considering a function @fun with 8 loop-local roots,
ShadowStackCollector introduces the following overhead
(x86):

; shadowstack prologue
        movl    L_llvm_gc_root_chain$non_lazy_ptr, %eax
        movl    (%eax), %ecx
        movl    $___gc_fun, 20(%esp)
        movl    $0, 24(%esp)
        movl    $0, 28(%esp)
        movl    $0, 32(%esp)
        movl    $0, 36(%esp)
        movl    $0, 40(%esp)
        movl    $0, 44(%esp)
        movl    $0, 48(%esp)
        movl    $0, 52(%esp)
        movl    %ecx, 16(%esp)
        leal    16(%esp), %ecx
        movl    %ecx, (%eax)

; shadowstack loop overhead
        (none)

; shadowstack epilogue
        movl    48(%esp), %edx
        movl    %edx, (%ecx)

; shadowstack metadata
        .align  3
___gc_fun:                              # __gc_fun
        .long   8
        .space  4

In comparison to LowerGC:

; lowergc prologue
        movl    L_llvm_gc_root_chain$non_lazy_ptr, %eax
        movl    (%eax), %ecx
        movl    %ecx, 48(%esp)
        movl    $8, 52(%esp)
        movl    $0, 60(%esp)
        movl    $0, 56(%esp)
        movl    $0, 68(%esp)
        movl    $0, 64(%esp)
        movl    $0, 76(%esp)
        movl    $0, 72(%esp)
        movl    $0, 84(%esp)
        movl    $0, 80(%esp)
        movl    $0, 92(%esp)
        movl    $0, 88(%esp)
        movl    $0, 100(%esp)
        movl    $0, 96(%esp)
        movl    $0, 108(%esp)
        movl    $0, 104(%esp)
        movl    $0, 116(%esp)
        movl    $0, 112(%esp)

; lowergc loop overhead
        leal    44(%esp), %eax
        movl    %eax, 56(%esp)
        leal    40(%esp), %eax
        movl    %eax, 64(%esp)
        leal    36(%esp), %eax
        movl    %eax, 72(%esp)
        leal    32(%esp), %eax
        movl    %eax, 80(%esp)
        leal    28(%esp), %eax
        movl    %eax, 88(%esp)
        leal    24(%esp), %eax
        movl    %eax, 96(%esp)
        leal    20(%esp), %eax
        movl    %eax, 104(%esp)
        leal    16(%esp), %eax
        movl    %eax, 112(%esp)

; lowergc epilogue
        movl    48(%esp), %edx
        movl    %edx, (%ecx)

; lowergc metadata
        (none)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45670 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 01:30:53 +00:00