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140 Commits

Author SHA1 Message Date
Duncan Sands
a6bbc047d5 Turn on LegalizeTypes, the new type legalization 
codegen infrastructure, by default.  Please report
any breakage to the mailing lists.

llvm-svn: 58232
 2008-10-27 08:42:46 +00:00
Gordon Henriksen
e5b0182e94 Related to PR2911, reject as invalid non-pointer GC roots. 
llvm-svn: 58143
 2008-10-25 16:28:35 +00:00
Chris Lattner
9876270b99 remove this test: it is xfailed anyway, and is failing for a reason 
other than why it was xfailed.

llvm-svn: 57694
 2008-10-17 17:26:19 +00:00
Anton Korobeynikov
3f74df506c This does not fail anymore 
llvm-svn: 57360
 2008-10-10 20:28:32 +00:00
Anton Korobeynikov
1134867d55 This is not failing anymore 
llvm-svn: 57347
 2008-10-10 10:15:18 +00:00
Dan Gohman
be88cf29b6 Split this test and move it into target-specific directories. 
This fixes failures on configurations that don't have one or the
other targets enabled.

llvm-svn: 56926
 2008-10-01 19:46:30 +00:00
Dan Gohman
6f360fc081 Add a target triple; apparently LLVM doesn't use 64-bit 
data directives on darwin.

llvm-svn: 55941
 2008-09-08 20:16:18 +00:00
Dan Gohman
f2a912c2a7 Add AsmPrinter support for i128 and larger static initializer data. 
llvm-svn: 55919
 2008-09-08 16:40:13 +00:00
Rafael Espindola
ce4f075afd Add testcase from bug 2770. 
llvm-svn: 55897
 2008-09-08 11:17:54 +00:00
Duncan Sands
044fcaf6b4 Turn this legalize types test on. 
llvm-svn: 55605
 2008-09-01 12:00:55 +00:00
Dan Gohman
b0f5e18201 Improve support for vector casts in LLVM IR and CodeGen. 
llvm-svn: 54784
 2008-08-14 20:04:46 +00:00
Nick Lewycky
19a341cf57 Don't crash printing the asm for a ConstantExpr PtrToInt just because the int 
is narrower than the pointer. This testcase emits:

  .byte (((17) - 16) & 255)

llvm-svn: 54517
 2008-08-08 06:34:07 +00:00
Dan Gohman
af429b3e52 Fix SDISel lowering of zeroinitializer and undef to use ComputeValueVTs. 
This allows it to work correctly on nested aggregate values.
This fixes PR2625.

llvm-svn: 54330
 2008-08-04 23:30:41 +00:00
Dan Gohman
4ca56a8993 Don't look for leaf values to store when lowering stores of 
empty structs. This fixes PR2612.

llvm-svn: 54226
 2008-07-30 18:36:51 +00:00
Duncan Sands
c3d73fbfc0 Fix PR2609. If a label is deleted, then it needs 
to be marked invalid regardless of whether it is
a debug, an exception handling or (hopefully) a
GC label.

llvm-svn: 54172
 2008-07-29 20:56:02 +00:00
Duncan Sands
778e45e748 Turn LegalizeTypes back off again for the moment: 
it is breaking Darwin bootstrap due to missing
functionality.

llvm-svn: 53721
 2008-07-17 17:06:03 +00:00
Duncan Sands
3448d4087f Add support for promoting and expanding AssertZext 
and AssertSext.  Needed when passing huge integer
parameters with the zeroext or signext attributes.

llvm-svn: 53684
 2008-07-16 16:03:07 +00:00
Duncan Sands
a8b538544a Test passing of integer parameters for integers 
of all sizes from i1 to i256.  The code is not
always that great, for example (x86)
        movw    %di, %ax
        movw    %ax, i17_s
where the store could be directly from %di.

llvm-svn: 53677
 2008-07-16 13:37:36 +00:00
Duncan Sands
be15f51092 Test codegen of loads and stores of all integer 
sizes from i1 to i256.  The generated code is
like one huge bug report of things that the DAG
combiner fails to simplify!

llvm-svn: 53676
 2008-07-16 13:10:20 +00:00
Duncan Sands
b2e1ddbd0b Turn on LegalizeTypes by default. 
llvm-svn: 53671
 2008-07-16 11:36:51 +00:00
Chris Lattner
95fecdd63a Implement split and scalarize for SELECT_CC, fixing PR2504 
llvm-svn: 52887
 2008-06-30 02:43:01 +00:00
Matthijs Kooijman
00a807266e Fix some more quoting issues in RUN lines, this time regarding unintended 
variable expansions involving the $ character.

This fixes 4 tests that were not running properly before.

llvm-svn: 52183
 2008-06-10 16:10:32 +00:00
Matthijs Kooijman
c638fe5b8b For all RUN lines starting with "not", redirect stderr to /dev/null so tests 
don't fail when (expected) error output is produced. This fixes 17 tests.

While I was there, I also made all RUN lines of the form "not llvm-as..." a bit
more consistent, they now all redirect stderr and stdout to /dev/null and use
input redirect to read their input.

llvm-svn: 52174
 2008-06-10 12:57:32 +00:00
Gabor Greif
b03785f0cd Eliminate questionable syntax for stdin redirection. This probably also speeds things up a bit. 
llvm-svn: 51357
 2008-05-20 22:07:21 +00:00
Gabor Greif
807c2df887 sabre brings to my attention that the 'tr' suffix is also obsolete 
llvm-svn: 51349
 2008-05-20 21:00:03 +00:00
Gabor Greif
d8a4dbb5da Rename the last test with .llx extension to .ll, resolve duplicate test by renaming to isnan2. Now that no test has llx ending there is no need to search for them from dg.exp too. 
llvm-svn: 51328
 2008-05-20 19:52:04 +00:00
Dan Gohman
c4b6768db4 Remove the code from CodeGenPrepare that moved getresult instructions 
to the block that defines their operands. This doesn't work in the
case that the operand is an invoke, because invoke is a terminator
and must be the last instruction in a block.

Replace it with support in SelectionDAGISel for copying struct values
into sequences of virtual registers.

llvm-svn: 50279
 2008-04-25 18:27:55 +00:00
Dan Gohman
afa475f207 Add support to codegen for getresult instructions with undef operands. 
llvm-svn: 50180
 2008-04-23 20:21:29 +00:00
Chris Lattner
c310b1f1f3 rename *.llx -> *.ll 
llvm-svn: 49970
 2008-04-19 22:29:10 +00:00
Dan Gohman
2a124430e9 Make this test x86-specific for now; targets that don't use 
the automated CallingConv code to handle return values typically
don't support multiple return values.

llvm-svn: 48265
 2008-03-12 00:25:14 +00:00
Dan Gohman
155ffdd955 Basic feature test for multiple return values in codegen. 
llvm-svn: 48260
 2008-03-11 23:53:16 +00:00
Gabor Greif
92e00c1e50 some more spelling changes 
llvm-svn: 47996
 2008-03-06 10:51:21 +00:00
Chris Lattner
1a461075ef Fix PR2096, a regression introduced with my patch last night. This 
also fixes cfrac, flops, and 175.vpr

llvm-svn: 47605
 2008-02-26 17:09:59 +00:00
Chris Lattner
5b4101cf68 Fix isNegatibleForFree to not return true for ConstantFP nodes 
after legalize.  Just because a constant is legal (e.g. 0.0 in SSE) 
doesn't mean that its negated value is legal (-0.0).  We could make
this stronger by checking to see if the negated constant is actually
legal post negation, but it doesn't seem like a big deal.

llvm-svn: 47591
 2008-02-26 07:04:54 +00:00
Chris Lattner
2f3bffc338 testcase for PR1133 
llvm-svn: 47427
 2008-02-21 05:27:08 +00:00
Tanya Lattner
aeb9bb8ba4 Remove llvm-upgrade and update tests. 
llvm-svn: 47296
 2008-02-19 01:41:04 +00:00
Duncan Sands
2e9661573f Teach LegalizeTypes how to expand and promote CTLZ, 
CTTZ and CTPOP.  The expansion code differs from
that in LegalizeDAG in that it chooses to take the
CTLZ/CTTZ count from the Hi/Lo part depending on
whether the Hi/Lo value is zero, not on whether
CTLZ/CTTZ of Hi/Lo returned 32 (or whatever the
width of the type is) for it.  I made this change
because the optimizers may well know that Hi/Lo
is zero and exploit it.  The promotion code for
CTTZ also differs from that in LegalizeDAG: it
uses an "or" to get the right result when the
original value is zero, rather than using a compare
and select.  This also means the value doesn't
need to be zero extended.

llvm-svn: 47075
 2008-02-13 18:01:53 +00:00
Duncan Sands
b65b2462c8 Crashes LegalizeTypes with "Do not know how to 
expand the result of this operator!" (node: ctlz).

llvm-svn: 46713
 2008-02-04 18:07:02 +00:00
Duncan Sands
123f86e781 Crashes LegalizeTypes with "Do not know how to split 
this operator's operand" (node: extract_subvector).

llvm-svn: 46712
 2008-02-04 18:05:42 +00:00
Chris Lattner
cad0478491 remove target triple to make this test more "generic" 
llvm-svn: 46711
 2008-02-04 18:02:37 +00:00
Duncan Sands
36a938c4fb Crashed the new type legalizer. Not likely to catch 
any bugs in the future since to get the crash you also
need hacked in fake libcall support (which creates odd
but legal trees), but since adding it doesn't hurt...
Thanks to Chris for this ultimately reduced version.

llvm-svn: 46706
 2008-02-04 09:40:27 +00:00
Chris Lattner
53a98f46fd Fix some bugs in SimplifyNodeWithTwoResults where it would call deletenode to 
delete a node even if it was not dead in some cases.  Instead, just add it to
the worklist.  Also, make sure to use the CombineTo methods, as it was doing
things that were unsafe: the top level combine loop could touch dangling memory.

This fixes CodeGen/Generic/2008-01-25-dag-combine-mul.ll

llvm-svn: 46384
 2008-01-26 01:09:19 +00:00
Chris Lattner
adb8aeaf6a new testcase. 
llvm-svn: 46139
 2008-01-17 19:47:23 +00:00
Chris Lattner
ee20bcd396 add testcase that has been sitting in my tree for awhile. 
llvm-svn: 46124
 2008-01-17 06:54:09 +00:00
Chris Lattner
4d3944c554 new testcase for llvm.trap. 
llvm-svn: 46020
 2008-01-15 22:17:26 +00:00
Chris Lattner
cce1483bcf new testcase for PR1845 
llvm-svn: 45795
 2008-01-10 00:30:38 +00:00
Gordon Henriksen
edbfece273 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.

llvm-svn: 45676
 2008-01-07 02:31:11 +00:00
Gordon Henriksen
db4f51e1b9 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)

llvm-svn: 45670
 2008-01-07 01:30:53 +00:00
Duncan Sands
8a4882564a Fix PR1833 - eh.exception and eh.selector return two 
values, which means doing extra legalization work.
It would be easier to get this kind of thing right if
there was some documentation...

llvm-svn: 45472
 2007-12-31 18:35:50 +00:00
Gordon Henriksen
e8226d70a9 Tests for changes made in r45356, where IPO optimizations would drop 
collector algorithms.

llvm-svn: 45357
 2007-12-26 02:47:37 +00:00