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Author SHA1 Message Date
Eli Friedman
bdef5df44e Generalize the float type generation code, and specifically fix the 
codegen of X86 long double.

llvm-svn: 51578
 2008-05-27 04:20:05 +00:00
Eli Friedman
3e113409cb Implementation of gcc mode attribute; this is significant because 
it fixes PR2204.  Not too much to say about the implementation; it works 
in a similar way to the vector size attribute.

At some point, we need to modify the targets to provide information 
about the appropriate types.

llvm-svn: 51577
 2008-05-27 03:33:27 +00:00
Eli Friedman
42ed07e10e Rewrite struct/union layout. This is mostly cleanup; this might also fix 
a few bugs, but I don't know of any in particular. This has good effects 
besides cleanup, though: it also should make it easier to implement the 
aligned and packed attributes, and also target-specific struct layouts, 
because the code won't have to be duplicated in codegen.

llvm-svn: 51576
 2008-05-27 03:14:44 +00:00
Eli Friedman
e2bbfe22c7 Stop leaking the TUDecl. 
llvm-svn: 51575
 2008-05-27 03:08:09 +00:00
Eli Friedman
1c2d5f56f8 Change diagnostic per suggestion, to make it a bit clearer what is 
happening.

llvm-svn: 51574
 2008-05-27 02:01:50 +00:00
Nick Lewycky
3ebe82b57a InequalityGraph::node() can create new nodes, invalidating iterators across 
the set of nodes. Fix makeEqual to handle this by creating the new node first
then iterating across them second.

llvm-svn: 51573
 2008-05-27 00:59:05 +00:00
Nick Lewycky
6be65d2a84 Grammaro. 
llvm-svn: 51572
 2008-05-26 22:49:36 +00:00
Gabor Greif
2d3024d838 eliminate calls to deprecated Use::init() interface 
llvm-svn: 51570
 2008-05-26 21:33:52 +00:00
Nick Lewycky
a61cc6ece0 Whoops -- forgot PR reference on this test. 
llvm-svn: 51569
 2008-05-26 20:23:33 +00:00
Nick Lewycky
213e114a2c The Linux ABI emits an extra "movl %esp, %ebp" in function prologue and 
sometimes a "mov %ebp, %esp" in the epilogue.

Force these tests that rely on counting 'mov' to use i686-apple-darwin8.8.0
where they were written.

llvm-svn: 51568
 2008-05-26 20:18:56 +00:00
Duncan Sands
dd7daee850 Factor code to copy global value attributes like 
the section or the visibility from one global
value to another: copyAttributesFrom.  This is
particularly useful for duplicating functions:
previously this was done by explicitly copying
each attribute in turn at each place where a
new function was created out of an old one, with
the result that obscure attributes were regularly
forgotten (like the collector or the section).
Hopefully now everything is uniform and nothing
is forgotten.

llvm-svn: 51567
 2008-05-26 19:58:59 +00:00
Eli Friedman
df649f3da5 Emit memmove, not memcpy, for structure copies; this is unfortunately 
required for correctness in cases of copying a struct to itself or to 
an overlapping struct (itself for cases like *a = *a, and overlapping 
is possible with unions).

Hopefully, this won't end up being a perf issue; LLVM *should* be able 
to optimize memmove to memcpy in a lot of cases, and for small copies 
the generated code *should* be mostly comparable. (In reality, LLVM 
is currently horrible at optimizing memmove, but that's a bug, not a 
fundamental issue.)

gcc currently generates wrong code; that's 
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32667.

llvm-svn: 51566
 2008-05-26 12:59:39 +00:00
Owen Anderson
d3f21d165f Use a DenseMap instead of an std::map, speeding up the testcase in PR2368 by about a third. 
llvm-svn: 51565
 2008-05-26 10:07:43 +00:00
Bill Wendling
2e8c82893b The enabling of remat in 2-address conversion breaks this test: 
Running /Users/void/llvm/llvm.src/test/CodeGen/X86/dg.exp ...
FAIL: /Users/void/llvm/llvm.src/test/CodeGen/X86/2007-11-30-LoadFolding-Bug.ll
Failed with exit(1) at line 1
while running: llvm-as < /Users/void/llvm/llvm.src/test/CodeGen/X86/2007-11-30-LoadFolding-Bug.ll | llc -march=x86 -mattr=+sse2 -stats |&  grep {1 .*folded into instructions}
child process exited abnormally

Make this conditional for now.

llvm-svn: 51563
 2008-05-26 05:49:49 +00:00
Bill Wendling
c737e4639a A problem that's exposed when machine LICM is enabled. Consider this code: 
LBB1_3:   # bb
...
        xorl    %ebp, %ebp
        subl    (%ebx), %ebp
...
        incl    %ecx
        cmpl    %edi, %ecx
        jl      LBB1_3  # bb

Whe using machine LICM, LLVM converts it into:

        xorl %esi, %esi
LBB1_3: # bb
...
        movl    %esi, %ebp
        subl    (%ebx), %ebp
...
        incl    %ecx
        cmpl    %edi, %ecx
        jl      LBB1_3  # bb

Two address conversion inserts the copy instruction. However, it's cheaper to
rematerialize it, and remat helps reduce register pressure.

llvm-svn: 51562
 2008-05-26 05:18:34 +00:00
Nick Lewycky
be993358a7 Use {} instead of "" in RUN lines. 
llvm-svn: 51561
 2008-05-26 01:27:08 +00:00
Nick Lewycky
3195b393d6 Don't treat values as signed when looking at loop steppings in HowForToNonZero. 
llvm-svn: 51560
 2008-05-25 23:43:32 +00:00
Nick Lewycky
f6ccd2580c "ret (constexpr)" can't be folded into a Constant. Add a method to 
Analysis/ConstantFolding to fold ConstantExpr's, then make instcombine use it
to try to use targetdata to fold constant expressions on void instructions.

Also extend the icmp(inttoptr, inttoptr) folding to handle the case where
int size != ptr size.

llvm-svn: 51559
 2008-05-25 20:56:15 +00:00
Eli Friedman
292e98cc18 Fix for PR2001. I'm not really fond of it, but it is correct (unless 
someone tries to make a bitfield volatile?).

Not sure how to write a test; any suggestions?

llvm-svn: 51558
 2008-05-25 14:13:57 +00:00
Eli Friedman
0e56c82e4a Count the number of initializable members correctly in structs/unions 
with unnamed members.

llvm-svn: 51557
 2008-05-25 14:03:31 +00:00
Eli Friedman
e0f832bd4f Diagnose implicit init list for empty aggregate, like struct {}. Fixes 
PR2151 (by not creating the empty implicit init list).

llvm-svn: 51556
 2008-05-25 13:49:22 +00:00
Eli Friedman
85f5497c4a Move the error checking for variable-sized objects so we don't 
double-report errors; fixes PR2362.

llvm-svn: 51555
 2008-05-25 13:22:35 +00:00
Eli Friedman
b2bef7c1c2 Make sure to define __sparc__ on Solaris; this should "fix" 
test/Codegen/mandel.c on Solaris. :-)

llvm-svn: 51554
 2008-05-25 05:26:09 +00:00
Sanjiv Gupta
98070578bf Generate subprogram debug info with -g. 
Also take care of freeing memory at the right places.

llvm-svn: 51553
 2008-05-25 05:15:42 +00:00
Eli Friedman
d042a969c9 Fix this test on non-X86 platforms. 
llvm-svn: 51552
 2008-05-25 04:43:38 +00:00
Eli Friedman
1f97e5798f Always initialize NEXT_CATCH; fixes a Valgrind uninitialized read error 
(originally reported in PR1682).

llvm-svn: 51551
 2008-05-25 04:34:57 +00:00
Ted Kremenek
e37e612e7a Fix variable misspelling. 
llvm-svn: 51548
 2008-05-24 16:16:30 +00:00
Ted Kremenek
37d6f58018 Don't use inferlanguage to override the default language for all files. 
llvm-svn: 51547
 2008-05-24 16:14:34 +00:00
Ted Kremenek
55842bd269 Don't analyze .o files. 
llvm-svn: 51546
 2008-05-24 16:09:00 +00:00
Ted Kremenek
f18f460716 Cleanup indentation and remove some dead code. 
Analyze files not compiled using "-c".  This fixes:

<rdar://problem/5961638> invoke checker when gcc is not called with "-c"

llvm-svn: 51545
 2008-05-24 15:58:54 +00:00
Ted Kremenek
a08154d85f Call the correct destructor. 
llvm-svn: 51544
 2008-05-24 15:09:56 +00:00
Owen Anderson
3f4ebba1fa Create archives with the same permissions are ar. 
Patch by Mikael Lepistö.

llvm-svn: 51540
 2008-05-24 05:42:29 +00:00
Chris Lattner
65d18feef5 Fix win32 when no bison is around, PR2331, patch by 'hume'. 
llvm-svn: 51539
 2008-05-24 05:11:48 +00:00
Chris Lattner
305fcd493f Add FreeBSD/PPC support, patch by Marcel Moolenaar! 
llvm-svn: 51538
 2008-05-24 04:58:48 +00:00
Chris Lattner
87a099a057 Fix a serious brain-o. Obviously no-one reviewed my patch :( 
This fixes PR2359

llvm-svn: 51536
 2008-05-24 04:06:28 +00:00
Chris Lattner
5c207c83c6 Fix PR2358 by resolving calls with undef arguments to overdefined. 
llvm-svn: 51535
 2008-05-24 03:59:33 +00:00
Evan Cheng
91a2e56b06 Eliminate x86.sse2.punpckh.qdq and x86.sse2.punpckl.qdq. 
llvm-svn: 51533
 2008-05-24 02:56:30 +00:00
Evan Cheng
2146270c9b Eliminate x86.sse2.movs.d, x86.sse2.shuf.pd, x86.sse2.unpckh.pd, and x86.sse2.unpckl.pd intrinsics. These will be lowered into shuffles. 
llvm-svn: 51531
 2008-05-24 02:14:05 +00:00
Duncan Sands
91dea27d4c Tweak how ConstantFP80Ty constants are output 
so that gcc doesn't warn about them.

llvm-svn: 51529
 2008-05-24 01:00:52 +00:00
Steve Naroff
04c3299652 This fixes a VC++ build failure. 
llvm-svn: 51528
 2008-05-24 00:16:40 +00:00
Dale Johannesen
18cc4d3ea4 Put initialized const weak objects into correct 
sections on ppc32 darwin.  g++.dg/abi/key2.C

llvm-svn: 51527
 2008-05-24 00:10:20 +00:00
Evan Cheng
8647b875cc This is done. 
llvm-svn: 51526
 2008-05-24 00:10:13 +00:00
Evan Cheng
948627aadd New loadl_pd and loadh_pd tests. 
llvm-svn: 51525
 2008-05-24 00:10:02 +00:00
Evan Cheng
5065932276 Autoupgrade x86.sse2.loadh.pd and x86.sse2.loadl.pd. 
llvm-svn: 51523
 2008-05-24 00:08:39 +00:00
Evan Cheng
6f8cfac755 Remove x86.sse2.loadh.pd and x86.sse2.loadl.pd. These will be lowered into load and shuffle instructions. 
llvm-svn: 51522
 2008-05-24 00:07:29 +00:00
Evan Cheng
02912418f1 Remove x86.sse2.loadh.pd and x86.sse2.loadl.pd. These will be lowered into load and shuffle instructions. 
llvm-svn: 51521
 2008-05-24 00:07:06 +00:00
Chris Lattner
10a7bd6341 fix a nasty off-by-one error. 
llvm-svn: 51519
 2008-05-23 23:29:33 +00:00
Dale Johannesen
4188aadbb2 Document common linkage. 
llvm-svn: 51517
 2008-05-23 23:13:41 +00:00
Chris Lattner
78f37e6d28 add some assertions to catch bad things before they die 
somewhere deep in rewrite rope.

llvm-svn: 51515
 2008-05-23 23:10:58 +00:00
Chris Lattner
17c2476d0b fix an inconsistency computing offsets that caused a crash on rewrite-nest.m 
llvm-svn: 51514
 2008-05-23 23:06:56 +00:00