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Author SHA1 Message Date
Eli Friedman
41ce5b82da A few more small things I've run into. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47702 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 00:21:43 +00:00
Anton Korobeynikov
7b1b7f5c5a EHPreferredDataFormat hook for PPC targets. Looks like Darwin 
uses the same encoding everywhere. Linux FIXME'ed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47701 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 23:49:15 +00:00
Devang Patel
26c22cfbcd Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47700 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 23:33:51 +00:00
Anton Korobeynikov
cee750fb1e Preparation step for some cleanup/generalization in EH information emission: 
provide TAI hook for selection of EH data emission format. Currently unused.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47699 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 23:33:50 +00:00
Dale Johannesen
0154e47ed0 New test for misaligned Altivec laod/store. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47698 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 23:14:50 +00:00
Anton Korobeynikov
351b0d4e4e Assert on invalid PHINode::addIncoming() arguments. Patch by Erick Tryzelaar! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47697 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 22:37:28 +00:00
Dale Johannesen
8155d64c2f Handle load/store of misaligned vectors that are the 
same size as an int type by doing a bitconvert of
load/store of the int type (same algorithm as floating point).
This makes them work for ppc Altivec.  There was some
code that purported to handle loads of (some) vectors
by splitting them into two smaller vectors, but getExtLoad
rejects subvector loads, so this could never have worked;
the patch removes it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47696 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 22:36:00 +00:00
Nick Kledzik
ef194ed740 fixes from review of first commit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47695 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 22:25:36 +00:00
Nick Kledzik
cfd72797b5 use PROJ_SRC_DIR so this builds with Apple style builds 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47694 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 22:23:46 +00:00
Dan Gohman
ec59b95a19 Don't hard-code the mask size to be 32, which is incorrect on ppc64 
and was causing aborts with the new APInt changes. This may also be
fixing an obscure ppc64 bug.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47692 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 21:12:32 +00:00
Evan Cheng
fd1074f171 This is done. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47688 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 20:26:32 +00:00
Evan Cheng
21b3f31f8f Fix a bug in dead spill slot elimination. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47687 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 19:57:11 +00:00
Dan Gohman
18714aeaed Remove the `else', at Evan's insistence. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47686 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 19:44:57 +00:00
Dan Gohman
e8ae2fe2a8 Add -analyze support to postdomtree. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47680 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 18:38:29 +00:00
Chris Lattner
e416b7d407 actually run llc, thanks Dan :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47677 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 17:46:54 +00:00
Duncan Sands
052e976f85 Add a FIXME about the VECTOR_SHUFFLE evil hack. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47676 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 17:39:13 +00:00
Lauro Ramos Venancio
6b0f14b96a Emit an error when a library is not found. It is the GNU ld behavior and it is expected by the configure scripts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47674 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 17:20:32 +00:00
Duncan Sands
077f9b20d0 LegalizeTypes support for EXTRACT_VECTOR_ELT. The 
approach taken is different to that in LegalizeDAG
when it is a question of expanding or promoting the
result type: for example, if extracting an i64 from
a <2 x i64>, when i64 needs expanding, it bitcasts
the vector to <4 x i32>, extracts the appropriate
two i32's, and uses those for the Lo and Hi parts.
Likewise, when extracting an i16 from a <4 x i16>,
and i16 needs promoting, it bitcasts the vector to
<2 x i32>, extracts the appropriate i32, twiddles
the bits if necessary, and uses that as the promoted
value.  This puts more pressure on bitcast legalization,
and I've added the appropriate cases.  They needed to
be added anyway since users can generate such bitcasts
too if they want to.  Also, when considering various
cases (Legal, Promote, Expand, Scalarize, Split) it is
a pain that expand can correspond to Expand, Scalarize
or Split, so I've changed the LegalizeTypes enum so it
lists those different cases - now Expand only means
splitting a scalar in two.
The code produced is the same as by LegalizeDAG for
all relevant testcases, except for
2007-10-31-extractelement-i64.ll, where the code seems
to have improved (see below; can an expert please tell
me if it is better or not).
Before < vs after >.

<       subl    $92, %esp
<       movaps  %xmm0, 64(%esp)
<       movaps  %xmm0, (%esp)
<       movl    4(%esp), %eax
<       movl    %eax, 28(%esp)
<       movl    (%esp), %eax
<       movl    %eax, 24(%esp)
<       movq    24(%esp), %mm0
<       movq    %mm0, 56(%esp)
---
>       subl    $44, %esp
>       movaps  %xmm0, 16(%esp)
>       pshufd  $1, %xmm0, %xmm1
>       movd    %xmm1, 4(%esp)
>       movd    %xmm0, (%esp)
>       movq    (%esp), %mm0
>       movq    %mm0, 8(%esp)

<       subl    $92, %esp
<       movaps  %xmm0, 64(%esp)
<       movaps  %xmm0, (%esp)
<       movl    12(%esp), %eax
<       movl    %eax, 28(%esp)
<       movl    8(%esp), %eax
<       movl    %eax, 24(%esp)
<       movq    24(%esp), %mm0
<       movq    %mm0, 56(%esp)
---
>       subl    $44, %esp
>       movaps  %xmm0, 16(%esp)
>       pshufd  $3, %xmm0, %xmm1
>       movd    %xmm1, 4(%esp)
>       movhlps %xmm0, %xmm0
>       movd    %xmm0, (%esp)
>       movq    (%esp), %mm0
>       movq    %mm0, 8(%esp)

<       subl    $92, %esp
<       movaps  %xmm0, 64(%esp)
---
>       subl    $44, %esp

<       movl    16(%esp), %eax
<       movl    %eax, 48(%esp)
<       movl    20(%esp), %eax
<       movl    %eax, 52(%esp)
<       movaps  %xmm0, (%esp)
<       movl    4(%esp), %eax
<       movl    %eax, 60(%esp)
<       movl    (%esp), %eax
<       movl    %eax, 56(%esp)
---
>       pshufd  $1, %xmm0, %xmm1
>       movd    %xmm1, 4(%esp)
>       movd    %xmm0, (%esp)
>       movd    %xmm1, 12(%esp)
>       movd    %xmm0, 8(%esp)

<       subl    $92, %esp
<       movaps  %xmm0, 64(%esp)
---
>       subl    $44, %esp

<       movl    24(%esp), %eax
<       movl    %eax, 48(%esp)
<       movl    28(%esp), %eax
<       movl    %eax, 52(%esp)
<       movaps  %xmm0, (%esp)
<       movl    12(%esp), %eax
<       movl    %eax, 60(%esp)
<       movl    8(%esp), %eax
<       movl    %eax, 56(%esp)
---
>       pshufd  $3, %xmm0, %xmm1
>       movd    %xmm1, 4(%esp)
>       movhlps %xmm0, %xmm0
>       movd    %xmm0, (%esp)
>       movd    %xmm1, 12(%esp)
>       movd    %xmm0, 8(%esp)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47672 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 13:34:40 +00:00
Gabor Greif
0a4c3782c8 Remove inappropriate whitespace, change CVS to SVN where it makes sense. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47671 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 13:34:15 +00:00
Duncan Sands
8745b52853 LegalizeTypes support for legalizing the mask 
operand of a VECTOR_SHUFFLE.  The mask is a
vector of constant integers.  The code in
LegalizeDAG doesn't bother to legalize the
mask, since it's basically just storage for
a bunch of constants, however LegalizeTypes
is more picky.  The problem is that there may
not exist any legal vector-of-integers type
with a legal element type, so it is impossible
to create a legal mask!  Unless of course you
cheat by creating a BUILD_VECTOR where the
operands have a different type to the element
type of the vector being built...  This is
pretty ugly but works - all relevant tests in
the testsuite pass, and produce the same
assembler with and without LegalizeTypes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47670 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 13:03:44 +00:00
Duncan Sands
4f069e6db1 LegalizeTypes support for INSERT_VECTOR_ELT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47669 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 10:18:23 +00:00
Evan Cheng
be680dcea6 Don't track max alignment during stack object allocations since they can be deleted later. Let PEI compute it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47668 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 10:04:56 +00:00
Duncan Sands
e90a615f37 Support for legalizing MEMBARRIER. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47667 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 08:53:44 +00:00
Bill Wendling
6ef781f3ce Final de-tabification. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47663 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 06:33:05 +00:00
Chris Lattner
e1b332a304 Add path separator support, patch by Sam Bishop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47662 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 06:17:10 +00:00
Chris Lattner
b09916bdfb Make X86TargetLowering::LowerSINT_TO_FP return without creating a dead 
stack slot and store if the  SINT_TO_FP is actually legal.  This allows
us to compile:

double a(double b) {return (unsigned)b;}

to:

_a:
	cvttsd2siq	%xmm0, %rax
	movl	%eax, %eax
	cvtsi2sdq	%rax, %xmm0
	ret

instead of:

_a:
	subq	$8, %rsp
	cvttsd2siq	%xmm0, %rax
	movl	%eax, %eax
	cvtsi2sdq	%rax, %xmm0
	addq	$8, %rsp
	ret

crazy.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47660 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 05:57:41 +00:00
Chris Lattner
22eedf4eec this code is correct but strange looking ;-) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47659 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 05:48:44 +00:00
Chris Lattner
d0ba2a9c14 Compile x86-64-and-mask.ll into: 
_test:
	movl	%edi, %eax
	ret

instead of:

_test:
        movl    $4294967295, %ecx
        movq    %rdi, %rax
        andq    %rcx, %rax
        ret

It would be great to write this as a Pat pattern that used subregs 
instead of a 'pseudo' instruction, but I don't know how to do that
in td files.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47658 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 05:47:54 +00:00
Evan Cheng
d36531249a Spiller now remove unused spill slots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47657 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 03:04:06 +00:00
Dan Gohman
1953ecb0a6 Teach Legalize how to expand an EXTRACT_ELEMENT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47656 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 01:52:30 +00:00
Dan Gohman
b3564aa836 Convert the last remaining users of the non-APInt form of 
ComputeMaskedBits to use the APInt form, and remove the
non-APInt form.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47654 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 01:23:58 +00:00
Devang Patel
e6be34a53e Add comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47653 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 01:20:54 +00:00
Chris Lattner
ba309d43aa add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47652 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 01:17:20 +00:00
Dan Gohman
7b8d4a9eef Convert SimplifyDemandedMask and ShrinkDemandedConstant to use APInt. 
Change several cases in SimplifyDemandedMask that don't ever do any
simplifying to reuse the logic in ComputeMaskedBits instead of
duplicating it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47648 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 00:25:32 +00:00
Bill Wendling
cc4831849e Upgrade testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47644 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-26 23:22:40 +00:00
Devang Patel
13b823c584 regenerate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47642 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-26 23:19:08 +00:00
Devang Patel
43a1bb3984 Add assert. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47641 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-26 23:17:50 +00:00
Owen Anderson
bf931bb094 Add PR number to testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47640 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-26 23:16:11 +00:00
Owen Anderson
77db50f68f Fix an issue where GVN had the sizes of the two memcpy's reverse, resulting 
in an invalid transformation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47639 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-26 23:06:17 +00:00
Devang Patel
8e50760dfe Add assert to check return type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47637 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-26 22:55:21 +00:00
Arnold Schwaighofer
258bb1b8e8 Refactor according to Evan's and Anton's suggestions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47635 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-26 22:21:54 +00:00
Devang Patel
b82b7f2119 regenerate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47634 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-26 22:17:48 +00:00
Devang Patel
53284d39cd Remove unncessary ReturnInst constructors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47633 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-26 22:12:58 +00:00
Chris Lattner
fe42462164 Use a smallvector for inactiveCounts and initialize it lazily 
instead of init'ing it maximally to zeros on entry.  getFreePhysReg
is pretty hot and only a few elements are typically used.  This speeds
up linscan by 5% on 176.gcc.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47631 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-26 22:08:41 +00:00
Bill Wendling
e6d088acc9 Rename PrintableName to Name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47629 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-26 21:47:57 +00:00
Anton Korobeynikov
95e78348f0 Update per review. Patch by Mikhail Glushenkov! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47628 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-26 21:44:24 +00:00
Bill Wendling
74ab84c31e Change "Name" to "AsmName" in the target register info. Gee, a refactoring tool 
would have been a Godsend here!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47625 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-26 21:11:01 +00:00
Evan Cheng
4d535cadf1 Enable -coalescer-commute-instrs by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47623 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-26 20:40:22 +00:00
Gabor Greif
390724618c Do not treat Lexer.cpp as a generated file any more, let svn show it with a question mark if it is around. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47622 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-26 20:36:35 +00:00
Nick Kledzik
77595fc356 first commit of new LTO system. It is not hooked up in the llvm/tools/Makefile, so no one will build it be default yet 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47621 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-26 20:26:43 +00:00