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8d64999daf
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8055 Commits

Author SHA1 Message Date
Bill Wendling
8d64999daf This is the initial check-in for adding register scavenging to PPC. (Currently, 
PPC-64 doesn't work.) This also lowers the spilling of the CR registers so that
it uses a register other than the default R0 register (the scavenger scrounges
for one). A significant part of this patch fixes how kill information is
handled.

llvm-svn: 47863
 2008-03-03 22:19:16 +00:00
Devang Patel
d0d7028a2b s/isReturnStruct()/hasStructRetAttr()/g 
llvm-svn: 47857
 2008-03-03 21:46:28 +00:00
Chris Lattner
f818270d43 another random note 
llvm-svn: 47831
 2008-03-02 19:29:42 +00:00
Chris Lattner
f2a9b32eec add a note 
llvm-svn: 47830
 2008-03-02 19:27:34 +00:00
Chris Lattner
299977b5ca Evan implemented these. 
llvm-svn: 47828
 2008-03-02 18:05:14 +00:00
Chris Lattner
4c67781884 Evan implemented this. 
llvm-svn: 47827
 2008-03-02 17:56:29 +00:00
Chris Lattner
963b3c9039 add support for lvsl, fixing PR1481 
llvm-svn: 47825
 2008-03-02 08:54:27 +00:00
Chris Lattner
fdcd03cc98 add support for the sse.cmp.* intrinsics, which fixes sse.isamax with the CBE. 
llvm-svn: 47824
 2008-03-02 08:47:13 +00:00
Chris Lattner
7196bf5358 refactor intrinsic handling code out into its own method. 
llvm-svn: 47823
 2008-03-02 08:29:41 +00:00
Chris Lattner
75c409057a fix printing of undef vectors, this fixes "simple" and "build" in UnitTests/Vector. 
Now they all pass.

llvm-svn: 47820
 2008-03-02 08:14:45 +00:00
Chris Lattner
d8eeb6b1c8 insertelement got the wrong operands. 
llvm-svn: 47819
 2008-03-02 08:10:16 +00:00
Chris Lattner
e9aa391b61 Several changes: 
* Simplify handling of byval, making it easier to understand and more 
    consistent.  This fixes PR2065.
  * Clean up and simplify handling of GEPs.  I can actually understand it now!
  * Implement support for GEP'ing into vectors, this fixes
    SingleSource/UnitTests/Vector/build2 among others.

llvm-svn: 47818
 2008-03-02 08:07:24 +00:00
Chris Lattner
78f255dca8 Fix a bug I introduced in constant array and constant vector handling. 
llvm-svn: 47816
 2008-03-02 05:46:57 +00:00
Chris Lattner
96469b446d implement shufflevector. 
llvm-svn: 47815
 2008-03-02 05:41:07 +00:00
Chris Lattner
18c26f3dad implement extractelement. 
llvm-svn: 47812
 2008-03-02 03:57:08 +00:00
Chris Lattner
72e898e589 implement insertelement. 
llvm-svn: 47811
 2008-03-02 03:52:39 +00:00
Chris Lattner
85243c2223 respect isSigned for vector types, fixing sdiv of vectors etc. 
llvm-svn: 47810
 2008-03-02 03:41:23 +00:00
Chris Lattner
980424b55c print the attribute in the right place, this fixes function returning vectors. 
llvm-svn: 47809
 2008-03-02 03:39:43 +00:00
Chris Lattner
112819e1e6 vector types are simple types. This fixes div/rem of vectors. 
llvm-svn: 47807
 2008-03-02 03:33:31 +00:00
Chris Lattner
8eddd5055d Print vector types appropriately. This gets basic vector code working 
(PR1126)

llvm-svn: 47806
 2008-03-02 03:29:50 +00:00
Chris Lattner
c5f37fc11d rename PT -> VT for VectorTypes. 
llvm-svn: 47805
 2008-03-02 03:18:46 +00:00
Chris Lattner
a70385185e Print i32/i64 integer constants as 1u instead of ((unsigned int)1). 
Use dyn_cast better.

llvm-svn: 47804
 2008-03-02 03:16:38 +00:00
Chris Lattner
38a684c0c9 Move pr717 to here. 
llvm-svn: 47803
 2008-03-02 02:51:40 +00:00
Andrew Lenharth
ba7f925582 good catch anton 
llvm-svn: 47800
 2008-03-01 23:18:21 +00:00
Andrew Lenharth
f6c220738c make CAS work 
llvm-svn: 47799
 2008-03-01 22:27:48 +00:00
Andrew Lenharth
b91c664226 all but CAS working on x86 
llvm-svn: 47798
 2008-03-01 21:52:34 +00:00
Andrew Lenharth
ad29a49169 Add lock prefix support to x86. Also add the instructions necessary for the atomic ops. They are still marked pseudo, since I cannot figure out what format to use, but they are the correct opcode. 
llvm-svn: 47795
 2008-03-01 13:37:02 +00:00
Anton Korobeynikov
875da2420a Use enumeration for preffered EH dwarf encoding reason 
llvm-svn: 47770
 2008-02-29 22:09:08 +00:00
Anders Carlsson
236f4dff95 Use the correct instruction encodings for the 64-bit MMX movd. 
llvm-svn: 47740
 2008-02-29 01:35:12 +00:00
Evan Cheng
ea1f2d1110 Added option -align-loops=<true/false> to disable loop aligner pass. 
llvm-svn: 47736
 2008-02-28 23:29:57 +00:00
Dale Johannesen
310201ba32 Interface of getByValTypeAlignment differed between 
generic & x86 versions; change generic to follow x86
and improve comments.  Add PPC version (not right
for non-Darwin.)

llvm-svn: 47734
 2008-02-28 22:31:51 +00:00
Lauro Ramos Venancio
a6e28675f3 Initialize TextAlignFillValue. Fix revision 47703. 
llvm-svn: 47732
 2008-02-28 22:14:09 +00:00
Lauro Ramos Venancio
ea557cc68e Avoid collisions in value names. 
llvm-svn: 47725
 2008-02-28 20:26:04 +00:00
Chris Lattner
f0329b6170 add a note 
llvm-svn: 47720
 2008-02-28 17:21:27 +00:00
Evan Cheng
e1d3e0958b Set to default: x86 no longer fold and into test if it has more than one use. 
llvm-svn: 47711
 2008-02-28 07:46:38 +00:00
Chris Lattner
c1851542a5 Sparc backend doesn't support debug info yet, mark the nodes as expand. This fixes a crash on 
test/DebugInfo/funccall.ll

llvm-svn: 47709
 2008-02-28 05:54:25 +00:00
Chris Lattner
f989deed26 Fix CodeGen/Generic/storetrunc-fp.ll on sparc, PR2105 
llvm-svn: 47707
 2008-02-28 05:48:04 +00:00
Chris Lattner
0f0fc0ccd4 fix CodeGen/Generic/2008-01-25-dag-combine-mul.ll on sparc, PR2105 
llvm-svn: 47706
 2008-02-28 05:44:20 +00:00
Chris Lattner
dab318a206 target-indep codegen memcpy lowering issue. 
llvm-svn: 47705
 2008-02-28 05:34:27 +00:00
Chris Lattner
33b1f491a0 Add a random not very important note 
llvm-svn: 47704
 2008-02-28 04:52:59 +00:00
Evan Cheng
f8b1257d2e Add a quick and dirty "loop aligner pass". x86 uses it to align its loops to 16-byte boundaries. 
llvm-svn: 47703
 2008-02-28 00:43:03 +00:00
Eli Friedman
912a1d48e1 A few more small things I've run into. 
llvm-svn: 47702
 2008-02-28 00:21:43 +00:00
Anton Korobeynikov
f8d5799001 EHPreferredDataFormat hook for PPC targets. Looks like Darwin 
uses the same encoding everywhere. Linux FIXME'ed.

llvm-svn: 47701
 2008-02-27 23:49:15 +00:00
Anton Korobeynikov
7bd4b77e30 Preparation step for some cleanup/generalization in EH information emission: 
provide TAI hook for selection of EH data emission format. Currently unused.

llvm-svn: 47699
 2008-02-27 23:33:50 +00:00
Dan Gohman
5d96a06b0b 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.

llvm-svn: 47692
 2008-02-27 21:12:32 +00:00
Evan Cheng
08f11a37d7 This is done. 
llvm-svn: 47688
 2008-02-27 20:26:32 +00:00
Bill Wendling
2cae66e28b Final de-tabification. 
llvm-svn: 47663
 2008-02-27 06:33:05 +00:00
Chris Lattner
1f46cc2345 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.

llvm-svn: 47660
 2008-02-27 05:57:41 +00:00
Chris Lattner
f19162a87f this code is correct but strange looking ;-) 
llvm-svn: 47659
 2008-02-27 05:48:44 +00:00
Chris Lattner
bc686e546a 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.

llvm-svn: 47658
 2008-02-27 05:47:54 +00:00