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4525 Commits

Author SHA1 Message Date
Dan Gohman
adc21ed938 Fix an abort in instcombine when folding creates a vector rem instruction. 
llvm-svn: 43743
 2007-11-05 23:16:33 +00:00
Dale Johannesen
1f70f86c7a Make labels work in asm blocks; allow labels as 
parameters.  Rename ValueRefList to ParamList
in AsmParser, since its only use is for parameters.

llvm-svn: 43734
 2007-11-05 21:20:28 +00:00
Devang Patel
963e54c2cf If a value is incoming from outside the loop then the value does not need remapping and the value is never tracked through LastValueMap. 
llvm-svn: 43728
 2007-11-05 19:32:30 +00:00
Lauro Ramos Venancio
f5081ba980 [ARM] Fix code generation for: 
static __thread struct {
    int a;
    int b;
} teste = {0, 0};

llvm-svn: 43722
 2007-11-05 18:33:37 +00:00
Evan Cheng
28c61e33a4 Skip over deleted val#'s. 
llvm-svn: 43700
 2007-11-05 06:46:45 +00:00
Evan Cheng
e5eac2c5ac Handle cases where a register and one of its super-register are both marked as 
defined on the same instruction. This fixes PR1767.

llvm-svn: 43699
 2007-11-05 03:11:55 +00:00
Evan Cheng
bc39e175c4 Fix test case. Chris didn't do make check. :-) 
llvm-svn: 43698
 2007-11-05 03:04:26 +00:00
Evan Cheng
947c271e37 Doh. PR1187 -> PR1766. 
llvm-svn: 43693
 2007-11-05 01:00:44 +00:00
Evan Cheng
13d79ab67a Fix PR1187. 
llvm-svn: 43692
 2007-11-05 00:59:10 +00:00
Chris Lattner
8fac63c8b5 Fix PR1761 by not printing (rip) suffix when in -static mode. 
Evan, please review this.

llvm-svn: 43680
 2007-11-04 19:23:28 +00:00
Duncan Sands
662fb070a7 Change uses of getTypeSize to getABITypeSize, getTypeStoreSize 
or getTypeSizeInBits as appropriate in ScalarReplAggregates.
The right change to make was not always obvious, so it would
be good to have an sroa guru review this.  While there I noticed
some bugs, and fixed them: (1) arrays of x86 long double have
holes due to alignment padding, but this wasn't being spotted
by HasStructPadding (renamed to HasPadding).  The same goes
for arrays of oddly sized ints.  Vectors also suffer from this,
in fact the problem for vectors is much worse because basic
vector assumptions seem to be broken by vectors of type with
alignment padding.   I didn't try to fix any of these vector
problems.  (2) The code for extracting smaller integers from
larger ones (in the "int union" case) was wrong on big-endian
machines for integers with size not a multiple of 8, like i1.
Probably this is impossible to hit via llvm-gcc, but I fixed
it anyway while there and added a testcase.  I also got rid of
some trailing whitespace and changed a function name which
had an obvious typo in it.

llvm-svn: 43672
 2007-11-04 14:43:57 +00:00
Chris Lattner
67cd357fb8 Fix PR1763 by allowing the 'q' constraint to work with 64-bit 
regs on x86-64.

llvm-svn: 43669
 2007-11-04 06:51:12 +00:00
Evan Cheng
1771f6da9c There are times when the coalescer would not coalesce away a copy but the copy 
can be eliminated by the allocator is the destination and source targets the
same register. The most common case is when the source and destination registers
are in different class. For example, on x86 mov32to32_ targets GR32_ which
contains a subset of the registers in GR32.

The allocator can do 2 things:
1. Set the preferred allocation for the destination of a copy to that of its source.
2. After allocation is done, change the allocation of a copy destination (if
   legal) so the copy can be eliminated.

This eliminates 443 extra moves from 403.gcc.

llvm-svn: 43662
 2007-11-03 07:20:12 +00:00
Evan Cheng
8d473f667d Add run line. 
llvm-svn: 43645
 2007-11-02 17:36:58 +00:00
Evan Cheng
65a07e73e2 One more extract_subreg coalescing bug. 
llvm-svn: 43644
 2007-11-02 17:35:08 +00:00
Evan Cheng
b50cc64eb0 Missing a getNumOperands check. 
llvm-svn: 43630
 2007-11-02 01:26:22 +00:00
Owen Anderson
594b0fe9e2 Fix test/Transforms/DeadStoreElimination/PartialStore.ll, which had been 
silently failing because of an incorrect run line for some time.

llvm-svn: 43605
 2007-11-01 05:29:16 +00:00
Dale Johannesen
c125d9b4e8 Test that expand_vector_elt(v2i64) works in 32-bit mode. 
llvm-svn: 43598
 2007-11-01 02:38:24 +00:00
Chris Lattner
38a21a25f2 Fix InstCombine/2007-10-31-StringCrash.ll by removing an obvious 
(in hindsight) infinite recursion.  Simplify the code.

llvm-svn: 43597
 2007-11-01 02:30:35 +00:00
Chris Lattner
d29624e11a Fix InstCombine/2007-10-31-RangeCrash.ll 
llvm-svn: 43596
 2007-11-01 02:18:41 +00:00
Devang Patel
d646b31441 New test. 
llvm-svn: 43527
 2007-10-30 23:07:47 +00:00
Evan Cheng
5e058e94b5 It's not safe to tell SplitCriticalEdge to merge identical edges. It may delete the phi instruction that's being processed. 
llvm-svn: 43524
 2007-10-30 22:27:26 +00:00
Dan Gohman
9365affecc Add support for folding binary operators with vector zero operands. 
llvm-svn: 43510
 2007-10-30 19:00:49 +00:00
Evan Cheng
633cd3e84d - Bug fixes. 
- Allow icmp rewrite using an iv / stride of a smaller integer type.

llvm-svn: 43480
 2007-10-29 22:07:18 +00:00
Dan Gohman
02b8beff5f Fix a DAGCombiner abort on a bitcast from a scalar to a vector. 
llvm-svn: 43470
 2007-10-29 20:44:42 +00:00
Evan Cheng
5fe81cf64e Enable more fold (sext (load x)) -> (sext (truncate (sextload x))) 
transformation. Previously, it's restricted by ensuring the number of load uses
is one. Now the restriction is loosened up by allowing setcc uses to be
"extended" (e.g. setcc x, c, eq -> setcc sext(x), sext(c), eq).

llvm-svn: 43465
 2007-10-29 19:58:20 +00:00
Chris Lattner
875ca50576 update testcase 
llvm-svn: 43452
 2007-10-29 17:06:35 +00:00
Chris Lattner
3d6151bcd1 Model stacksave and stackrestore as both writing memory, since we 
don't model their dependences on allocas correctly.  This fixes
PR1745.

llvm-svn: 43442
 2007-10-29 05:47:52 +00:00
Chris Lattner
1503362624 Add support for the x86-64 'q' regigster modifier, and add support for the 
b/h/w/k/q inline asm memory modifiers, which are just ignored.  This fixes
PR1748 and CodeGen/X86/2007-10-28-inlineasm-q-modifier.ll

llvm-svn: 43430
 2007-10-29 03:09:07 +00:00
Chris Lattner
7e3a8a7604 Fix PR1749 and InstCombine/2007-10-28-EmptyField.ll by handling 
zero-length fields better.

llvm-svn: 43427
 2007-10-29 02:40:02 +00:00
Chris Lattner
891066cfff Fix PR1752 and LoopSimplify/2007-10-28-InvokeCrash.ll: terminators 
can have uses too.  Wouldn't it be nice if invoke didn't exist? :)

llvm-svn: 43426
 2007-10-29 02:30:37 +00:00
Bill Wendling
0d90333ff2 Test to make sure that if we have an unaligned memcpy, it will still compile. 
llvm-svn: 43412
 2007-10-26 23:43:35 +00:00
Bill Wendling
18b6321020 On second thought. Remove this as it should never be generated in the first 
place.

llvm-svn: 43400
 2007-10-26 20:34:37 +00:00
Bill Wendling
8d329ff809 - Remove the hacky code that forces a memcpy. Alignment is taken care of in the 
FE.
- Explicitly pass in the alignment of the load & store.
- XFAIL 2007-10-23-UnalignedMemcpy.ll because llc has a bug that crashes on
  unaligned pointers.

llvm-svn: 43398
 2007-10-26 20:24:42 +00:00
Evan Cheng
53696b7e9f Loosen up iv reuse to allow reuse of the same stride but a larger type when truncating from the larger type to smaller type is free. 
e.g.
Turns this loop:
LBB1_1: # entry.bb_crit_edge
        xorl    %ecx, %ecx
        xorw    %dx, %dx
        movw    %dx, %si
LBB1_2: # bb
        movl    L_X$non_lazy_ptr, %edi
        movw    %si, (%edi)
        movl    L_Y$non_lazy_ptr, %edi
        movw    %dx, (%edi)
		addw    $4, %dx
		incw    %si
		incl    %ecx
		cmpl    %eax, %ecx
		jne     LBB1_2  # bb
	
into

LBB1_1: # entry.bb_crit_edge
        xorl    %ecx, %ecx
        xorw    %dx, %dx
LBB1_2: # bb
        movl    L_X$non_lazy_ptr, %esi
        movw    %cx, (%esi)
        movl    L_Y$non_lazy_ptr, %esi
        movw    %dx, (%esi)
        addw    $4, %dx
		incl    %ecx
        cmpl    %eax, %ecx
        jne     LBB1_2  # bb

llvm-svn: 43375
 2007-10-26 01:56:11 +00:00
Evan Cheng
66cbf54030 If a loop termination compare instruction is the only use of its stride, 
and the compaison is against a constant value, try eliminate the stride
by moving the compare instruction to another stride and change its
constant operand accordingly. e.g.

loop:
...
v1 = v1 + 3
v2 = v2 + 1
if (v2 < 10) goto loop
=>
loop:
...
v1 = v1 + 3
if (v1 < 30) goto loop

llvm-svn: 43336
 2007-10-25 09:11:16 +00:00
Owen Anderson
6cc4e90741 Fix for PR1741. 
llvm-svn: 43326
 2007-10-25 02:36:18 +00:00
Dale Johannesen
0d3f583c8b Testcase for PR 1397. 
llvm-svn: 43323
 2007-10-25 00:50:14 +00:00
Dale Johannesen
402c11966a This was failing on Darwin, which defaults to PIC; 
no lea was generated.  I think this follows the intent.

llvm-svn: 43312
 2007-10-24 20:58:14 +00:00
Chris Lattner
483c471daa Implement a couple of foldings for ordered and unordered comparisons, 
implementing cases related to PR1738.

llvm-svn: 43289
 2007-10-24 05:38:08 +00:00
Bill Wendling
a420d660c8 If there's an unaligned memcpy to/from the stack, don't lower it. Just call the 
memcpy library function instead.

llvm-svn: 43270
 2007-10-23 23:32:40 +00:00
Chris Lattner
2cf65be2c4 new testcase 
llvm-svn: 43252
 2007-10-23 18:07:23 +00:00
Chris Lattner
b029483115 llvm/test programs should not be execution programs. This 
will hopefully fix Gabor's Sparc problem.

llvm-svn: 43251
 2007-10-23 17:56:04 +00:00
Evan Cheng
0590c75f18 Temporary solution: added a different set of BCTRL_Macho / BCTRL_ELF with right callee-saved defs set for ppc64. 
llvm-svn: 43248
 2007-10-23 06:42:42 +00:00
Evan Cheng
252d9ddb4d Fix memcpy lowering when addresses are 4-byte aligned but size is not multiple of 4. 
llvm-svn: 43234
 2007-10-22 22:11:27 +00:00
Dan Gohman
df1f166e4a Strength reduction improvements. 
- Avoid attempting stride-reuse in the case that there are users that
   aren't addresses. In that case, there will be places where the
   multiplications won't be folded away, so it's better to try to
   strength-reduce them.

 - Several SSE intrinsics have operands that strength-reduction can
   treat as addresses. The previous item makes this more visible, as
   any non-address use of an IV can inhibit stride-reuse.

 - Make ValidStride aware of whether there's likely to be a base
   register in the address computation. This prevents it from thinking
   that things like stride 9 are valid on x86 when the base register is
   already occupied.

Also, XFAIL the 2007-08-10-LEA16Use32.ll test; the new logic to avoid
stride-reuse elimintes the LEA in the loop, so the test is no longer
testing what it was intended to test.

llvm-svn: 43231
 2007-10-22 20:40:42 +00:00
Dan Gohman
76e104c8ad Fix the folding of multiplication into addresses on x86, which was broken 
by the recent {U,S}MUL_LOHI changes.

llvm-svn: 43230
 2007-10-22 20:22:24 +00:00
Evan Cheng
85eb733eff Use ptr type in the immediate field of a BxA instruction so we don't end up selecting 32-bit call instruction for ppc64. 
llvm-svn: 43228
 2007-10-22 19:46:19 +00:00
Evan Cheng
2d53c3f15e New test case. 
llvm-svn: 43193
 2007-10-19 22:05:00 +00:00
Bill Wendling
df262eb966 Don't branch fold inline asm statements. 
llvm-svn: 43191
 2007-10-19 21:09:55 +00:00
Bill Wendling
8dde52e2cd Removed "-arch i386" by popular demand... 
llvm-svn: 43186
 2007-10-19 18:49:16 +00:00
Bill Wendling
868ad0d3b5 Now with RUN line! 
llvm-svn: 43185
 2007-10-19 18:40:53 +00:00
Bill Wendling
c3a94c317d Remove the Foundation.h file because not everyone has that. 
llvm-svn: 43184
 2007-10-19 18:36:04 +00:00
Devang Patel
d002595abf This test now passes. 
llvm-svn: 43183
 2007-10-19 17:11:01 +00:00
Rafael Espindola
2b5b200b9f Test byval with a 8 bit aligned struct 
llvm-svn: 43173
 2007-10-19 11:29:21 +00:00
Rafael Espindola
d8d4372845 Add support for byval function whose argument is not 32 bit aligned. 
To do this it is necessary to add a "always inline" argument to the
memcpy node. For completeness I have also added this node to memmove
and memset.  I have also added getMem* functions, because the extra
argument makes it cumbersome to use getNode and because I get confused
by it :-)

llvm-svn: 43172
 2007-10-19 10:41:11 +00:00
Devang Patel
9b11c8ab03 New test. 
llvm-svn: 43162
 2007-10-19 01:28:02 +00:00
Chris Lattner
efaf4ba65d Fix PR1735 and Transforms/DeadArgElim/2007-10-18-VarargsReturn.ll by 
fixing some obviously broken code :(

llvm-svn: 43141
 2007-10-18 18:49:29 +00:00
Bill Wendling
23c2fcfaab Fix the command line. 
llvm-svn: 43140
 2007-10-18 18:26:40 +00:00
Devang Patel
80e28fa633 Fix test. 
llvm-svn: 43136
 2007-10-18 17:54:49 +00:00
Bill Wendling
32c9cd9e94 Pointer arithmetic should be done with the index the same size as the pointer. 
llvm-svn: 43120
 2007-10-18 08:32:37 +00:00
Evan Cheng
f6d1c7be14 Really fix PR1734. Carefully track which register uses are sub-register uses by 
traversing inverse register coalescing map.

llvm-svn: 43118
 2007-10-18 07:49:59 +00:00
Devang Patel
13e0df71e0 XFAIL for now. 
llvm-svn: 43111
 2007-10-18 00:48:43 +00:00
Bill Wendling
0a8dfb51cd Test to make sure we don't generate unwind info for non-64-bit Objective-C. 
llvm-svn: 43102
 2007-10-17 23:14:56 +00:00
Devang Patel
9cb3c09156 Do not raise free() call that is called through invoke instruction. 
llvm-svn: 43083
 2007-10-17 20:12:58 +00:00
Dan Gohman
2903f7fc26 Add support for ISD::SELECT in SplitVectorOp. 
llvm-svn: 43072
 2007-10-17 14:48:28 +00:00
Devang Patel
cf2f9d6daa Apply "Instead of loading small c string constant, use integer constant directly" transformation while processing load instruction. 
llvm-svn: 43070
 2007-10-17 07:24:40 +00:00
Evan Cheng
524c0e6c3d Yet another test case for extract_subreg coalescing crash. 
llvm-svn: 43063
 2007-10-17 02:15:06 +00:00
Evan Cheng
09fa6ed483 Fix PR1734. 
llvm-svn: 43035
 2007-10-16 19:29:47 +00:00
Dale Johannesen
dd254c4efa New test for svn rev 43033, radar 5538745. 
llvm-svn: 43034
 2007-10-16 18:10:14 +00:00
Chris Lattner
45d9c7aa07 Fix a bug handling frame references in ppc inline asm when the frame offset 
doesn't fit into 16 bits.

llvm-svn: 43032
 2007-10-16 18:00:18 +00:00
Evan Cheng
f5bcd3d737 LowerFP_TO_SINT must not create a stack object if it's not needed. 
llvm-svn: 43004
 2007-10-15 20:11:21 +00:00
Dan Gohman
2dc6099def Reapply the fix in 42908 for this file. This changes the function names 
from "test" to "foo" so that they don't match the grep -i ST.

llvm-svn: 43001
 2007-10-15 19:22:17 +00:00
Evan Cheng
43887d3714 Fix PR1729: watch out for val# with no def. 
llvm-svn: 42996
 2007-10-15 18:33:50 +00:00
Tanya Lattner
3a64752342 Fix run line. 
llvm-svn: 42990
 2007-10-15 16:35:13 +00:00
Devang Patel
a1947ff877 New test. 
llvm-svn: 42986
 2007-10-15 15:41:07 +00:00
Evan Cheng
850c8739dc New test case. 
llvm-svn: 42963
 2007-10-14 10:15:03 +00:00
Evan Cheng
33df6a6bed Revert 42908 for now. 
llvm-svn: 42960
 2007-10-14 05:57:21 +00:00
Chris Lattner
a7666b08ad new testcase 
llvm-svn: 42953
 2007-10-13 06:56:18 +00:00
Evan Cheng
f5ed18f7d3 Fix test case. 
llvm-svn: 42949
 2007-10-13 03:14:06 +00:00
Evan Cheng
6101e4ffdf New tests. 
llvm-svn: 42948
 2007-10-13 03:10:54 +00:00
Dan Gohman
c96f2809ca Fix this test to not depend on the assembly output containing something 
that includes the string "st". This probably fixes the regression on
Darwin.

llvm-svn: 42932
 2007-10-12 20:42:14 +00:00
Chris Lattner
3af877f26a Fix a bug in my patch last night that broke InstCombine/2007-10-12-Crash.ll 
llvm-svn: 42920
 2007-10-12 18:05:47 +00:00
Dan Gohman
a75e4a62e6 Change the names used for internal labels to use the current 
function symbol name instead of a codegen-assigned function
number.

Thanks Evan! :-)

llvm-svn: 42908
 2007-10-12 14:53:36 +00:00
Evan Cheng
51791564b0 Doh. 
llvm-svn: 42901
 2007-10-12 09:10:27 +00:00
Evan Cheng
947b4a6c3d EXTRACT_SUBREG test case. 
llvm-svn: 42900
 2007-10-12 09:03:31 +00:00
Arnold Schwaighofer
f1e49dd41d Added missing -march=x86 flag. 
llvm-svn: 42893
 2007-10-12 07:49:48 +00:00
Chris Lattner
7489b40996 testcase for PR1728 
llvm-svn: 42890
 2007-10-12 05:29:53 +00:00
Dan Gohman
ab5c3ed0d1 Add intrinsics for sin, cos, and pow. These use llvm_anyfloat_ty, and so 
may be overloaded with vector types. And add a testcase for codegen for
these.

llvm-svn: 42885
 2007-10-12 00:01:22 +00:00
Dan Gohman
9a70be46f1 Add an explicit target triple to make this test behave as expected on 
non-Apple hosts. And use the count script instead of wc + grep.

llvm-svn: 42878
 2007-10-11 23:04:36 +00:00
Arnold Schwaighofer
d47210011e Added tail call optimization to the x86 back end. It can be 
enabled by passing -tailcallopt to llc.  The optimization is
performed if the following conditions are satisfied:
* caller/callee are fastcc
* elf/pic is disabled OR
  elf/pic enabled + callee is in module + callee has
  visibility protected or hidden

llvm-svn: 42870
 2007-10-11 19:40:01 +00:00
Devang Patel
15d6257fa8 Lower memcpy if it makes sense. 
llvm-svn: 42864
 2007-10-11 17:21:57 +00:00
Dan Gohman
708e76e663 These two tests now require only two multiply instructions, 
instead of four.

llvm-svn: 42784
 2007-10-09 15:39:37 +00:00
Evan Cheng
25b65542d9 Update test. 
llvm-svn: 42775
 2007-10-08 22:20:32 +00:00
Dan Gohman
9da3bddf43 These two tests now require only three multiply instructions, 
instead of four.

llvm-svn: 42765
 2007-10-08 20:48:12 +00:00
Gordon Henriksen
84b068154b C and Objective Caml bindings for PHINode::addIncoming etc. 
llvm-svn: 42760
 2007-10-08 18:14:39 +00:00
Gordon Henriksen
8d8fae73c5 C and Objective Caml bindings for getFunction and getNamedGlobal. Also enhanced 
the Objective Caml 'declare_*' functions to behave more or less like
getOrInsertFunction.

llvm-svn: 42740
 2007-10-08 03:45:09 +00:00
Gordon Henriksen
454d171c26 C and Objective Caml bindings for GlobalVariable::isConstant. 
llvm-svn: 42736
 2007-10-07 17:31:42 +00:00
Gordon Henriksen
99c0e2918b C and Objective Caml bindings for PATypeHolder. 
llvm-svn: 42713
 2007-10-07 00:13:35 +00:00
Gordon Henriksen
06eeba26c1 Bindings for the verifier. 
llvm-svn: 42707
 2007-10-06 21:00:36 +00:00
Gordon Henriksen
36d61a4b79 Adopting a uniform naming convention for type constructors in 
bindings (part le deux).

llvm-svn: 42701
 2007-10-06 16:56:09 +00:00
Gordon Henriksen
574434313a Adopting a uniform naming convention for constant constructors in bindings. 
llvm-svn: 42697
 2007-10-06 15:11:06 +00:00
Gordon Henriksen
65ce7c3085 Adding C and Ocaml bindings for ConstantExpr. 
llvm-svn: 42696
 2007-10-06 14:29:36 +00:00
Dale Johannesen
b600202c68 Make test work on non-x86 hosts. 
llvm-svn: 42671
 2007-10-06 01:22:39 +00:00
Evan Cheng
0a642eaa62 Test case for 3-address conversion. 
llvm-svn: 42664
 2007-10-05 23:33:09 +00:00
Evan Cheng
dc467c6323 Enable convertToThreeAddress for X86 by default. 
llvm-svn: 42655
 2007-10-05 22:31:10 +00:00
Devang Patel
36b68478cb Fix bug in updating dominance frontier after loop 
unswitch when frontier includes basic blocks that 
are not inside loop.

llvm-svn: 42654
 2007-10-05 22:29:34 +00:00
Dale Johannesen
c7b51b678d First round of ppc long double. call/return and 
basic arithmetic works.
Rename RTLIB long double functions to distinguish
different flavors of long double; the lib functions
have different names, alas.

llvm-svn: 42644
 2007-10-05 20:04:43 +00:00
Evan Cheng
6fd2606ff5 New test case. 
llvm-svn: 42628
 2007-10-05 01:44:22 +00:00
Bill Wendling
8fa43b0ffc Support Objective C++ too. 
llvm-svn: 42610
 2007-10-04 18:47:25 +00:00
Bill Wendling
4ff1a54e83 Added testcase for creation of metadata with null pointers. 
llvm-svn: 42609
 2007-10-04 18:46:06 +00:00
Bill Wendling
14f557b7b0 un-XFAIL this test. 
llvm-svn: 42606
 2007-10-04 09:33:08 +00:00
Bill Wendling
3c84489852 Temporarily XFAIL this test. 
llvm-svn: 42583
 2007-10-03 17:46:54 +00:00
Chris Lattner
cd424fc6c2 testcase for PR1647 
llvm-svn: 42570
 2007-10-03 05:29:07 +00:00
Gordon Henriksen
7e22335299 Add explicit --enable-bindings option to configure. 
llvm-svn: 42526
 2007-10-02 09:50:18 +00:00
Devang Patel
78fba9dc73 Fix test. 
llvm-svn: 42522
 2007-10-02 00:47:43 +00:00
Devang Patel
6b21d8cc55 New test. 
llvm-svn: 42517
 2007-10-02 00:39:19 +00:00
Evan Cheng
1d3c836933 -pre-RA-sched=none, simple, simple-noitin are gone. 
llvm-svn: 42505
 2007-10-01 22:17:20 +00:00
Devang Patel
97960ce055 PR 1603 test case. 
llvm-svn: 42502
 2007-10-01 21:22:57 +00:00
Devang Patel
42f006a51a Relax unsafe use check. If there is one unconditional use inside the loop then it is safe to promote value even if there is another conditional use inside the loop. 
llvm-svn: 42493
 2007-10-01 18:12:58 +00:00
Devang Patel
0f55c6012c Do not ignore packed member size while selecting union type. 
llvm-svn: 42458
 2007-09-28 23:54:26 +00:00
Dan Gohman
02f80006f8 Teach SplitVectorOp how to split INSERT_VECTOR_ELT. 
llvm-svn: 42457
 2007-09-28 23:53:40 +00:00
Rafael Espindola
01b306e575 Refactor the memcpy lowering for the x86 target. 
The only generated code difference is that now we call memcpy when
the size of the array is unknown. This matches GCC behavior and is
better since the run time value can be arbitrarily large.

llvm-svn: 42433
 2007-09-28 12:53:01 +00:00
Dale Johannesen
e61886cee4 Add sqrt and powi intrinsics for long double. 
llvm-svn: 42423
 2007-09-28 01:08:20 +00:00
Devang Patel
1bf4ded048 While searching for appropriate place for temporaries, do not over-incerement iterator. 
llvm-svn: 42406
 2007-09-27 18:02:47 +00:00
Chris Lattner
340cc2bcc1 new testcase for PR1708 
llvm-svn: 42398
 2007-09-27 15:47:16 +00:00
Nick Lewycky
a44e458ddc Build the correct range for loops with unusual bounds. Fix from Jay Foad. 
llvm-svn: 42394
 2007-09-27 14:12:54 +00:00
Dale Johannesen
57b6470e8b Modernize fabs.ll, add long double. Add tests 
for direct codegen of fsin/fcos.

llvm-svn: 42369
 2007-09-26 21:12:10 +00:00
Gordon Henriksen
c73d5c73a6 Added C and Ocaml bindings for functions, basic blocks, and 
instruction creation. No support yet for instruction introspection.

Also eliminated allocas from the Ocaml bindings for portability,
and avoided unnecessary casts.

llvm-svn: 42367
 2007-09-26 20:56:12 +00:00
Duncan Sands
b44b922bc1 Test the C front-end, not the C++ front-end. 
llvm-svn: 42350
 2007-09-26 07:28:20 +00:00
Duncan Sands
41eb9bf1f1 Test that local variables are aligned as the user requested. 
llvm-svn: 42338
 2007-09-26 04:04:29 +00:00
Devang Patel
d98abb62ce Handle multiple induction variables. 
This fixes PR714.

llvm-svn: 42309
 2007-09-25 18:24:48 +00:00
Dan Gohman
1bb346f9f1 When both x/y and x%y are needed (x and y both scalar integer), compute 
both results with a single div or idiv instruction. This uses new X86ISD
nodes for DIV and IDIV which are introduced during the legalize phase
so that the SelectionDAG's CSE can automatically eliminate redundant
computations.

llvm-svn: 42308
 2007-09-25 18:23:27 +00:00
Dale Johannesen
fe773726a9 Some tests for APFloat conversions. 
llvm-svn: 42303
 2007-09-25 17:50:55 +00:00
Evan Cheng
dab211c87b Forgot to check in the changes. Fix test case so it doesn't break with any scheduling changes. 
llvm-svn: 42302
 2007-09-25 17:47:38 +00:00
Devang Patel
de9d1c3654 Add transformation to update loop interation space. Now, 
for (i=A; i<N; i++) {
  if (i < X && i > Y)
    do_something();
}

is transformed into

U=min(N,X); L=max(A,Y);
for (i=L;i<U;i++)
  do_somethihg();                            

llvm-svn: 42299
 2007-09-25 17:31:19 +00:00
Devang Patel
65f8d0c2d7 Do not promote null values because it may be unsafe to do so. 
llvm-svn: 42270
 2007-09-24 20:02:42 +00:00
Tanya Lattner
52ae97fea6 XFAIL for llvm-gcc4.0 
llvm-svn: 42266
 2007-09-24 17:14:53 +00:00
Dan Gohman
dd675a5064 Use the correct result value type instead of using getValueType(0) 
in ExpandEXTRACT_VECTOR_ELT and SplitVectorOp. This fixes an abort
in the included testcase.

llvm-svn: 42264
 2007-09-24 15:54:53 +00:00
Dan Gohman
39313e0fa3 Fix a typo in a comment. 
llvm-svn: 42263
 2007-09-24 15:50:11 +00:00
Dale Johannesen
a928e8b8b2 Implementation of +sse -sse2 has changed; add 
-sse to preserve intent of this test.

llvm-svn: 42247
 2007-09-23 14:58:14 +00:00
Devang Patel
b741c56cfc Fix PR1692 
llvm-svn: 42209
 2007-09-21 21:18:19 +00:00
Chris Lattner
966871b0df gcroot testcase, patch by Eric Christopher. 
llvm-svn: 42198
 2007-09-21 17:48:39 +00:00
Rafael Espindola
11ee0898b9 Don't add a default STACK_ALIGN (use the generic ABI alignment) 
Implement calls to functions with byval arguments on X86

llvm-svn: 42192
 2007-09-21 15:50:22 +00:00
Duncan Sands
425fe2a97b Testcase for PR1678. 
llvm-svn: 42171
 2007-09-20 18:56:24 +00:00
Evan Cheng
66bccf335b Disable if-conversion for this test. 
llvm-svn: 42170
 2007-09-20 18:06:22 +00:00
Evan Cheng
ae2dbcb25f -enable-arm-if-conversion is gone. 
llvm-svn: 42169
 2007-09-20 18:03:23 +00:00
Gordon Henriksen
0728757caf Incorporating review feedback for GC verifier patch. 
llvm-svn: 42163
 2007-09-20 16:47:41 +00:00
Dan Gohman
eb622df2ef Fix several more entries in the x86 reload/remat folding tables. 
llvm-svn: 42162
 2007-09-20 14:17:21 +00:00
Nick Lewycky
9edfec9b3c Excuse me. 
llvm-svn: 42158
 2007-09-20 00:57:00 +00:00