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84304 Commits

Author SHA1 Message Date
Jim Grosbach 172aaadd20 Add entry for llvm.eh.sjlj.longjmp. PR4999. 
llvm-svn: 104703
 2010-05-26 16:21:41 +00:00
Anders Carlsson c5ca1f7799 Move ComputeEmptySubobjectSizes to EmptySubobjectMap. 
llvm-svn: 104702
 2010-05-26 15:54:25 +00:00
Anders Carlsson f58de11b61 Stub out the EmptySubobjectsMap class. 
llvm-svn: 104701
 2010-05-26 15:32:58 +00:00
Anders Carlsson ce7f77729a Inline the RecordLayoutBuilder constructor. 
llvm-svn: 104700
 2010-05-26 15:20:08 +00:00
Daniel Dunbar b34440a6a8 MC: Eliminate MCAsmFixup, replace with MCFixup. 
llvm-svn: 104699
 2010-05-26 15:18:56 +00:00
Daniel Dunbar 4f2bae4f7d MC: Simplify MCFixup and increase the available offset size. 
llvm-svn: 104698
 2010-05-26 15:18:40 +00:00
Daniel Dunbar 353a91ff76 MC: Use accessors for access to MCAsmFixup. 
llvm-svn: 104697
 2010-05-26 15:18:31 +00:00
Daniel Dunbar 3627af5da4 MC: Change MCInst::dump_pretty to not include a trailing newline. 
llvm-svn: 104696
 2010-05-26 15:18:13 +00:00
Anders Carlsson c28a6c9251 Add a Layout overload that takes a CXXRecordDecl. 
llvm-svn: 104695
 2010-05-26 15:10:00 +00:00
Benjamin Kramer c7656cdf83 Move RecordLayoutBuilder into an anonymous namespace. 
llvm-svn: 104693
 2010-05-26 09:58:31 +00:00
Benjamin Kramer 6877119ef3 Kill unneeded SExt. 
llvm-svn: 104692
 2010-05-26 09:45:04 +00:00
Zhongxing Xu 730a977e02 SRetReturnReg was set in LowerFormalArguments(). So only assert it here. 
llvm-svn: 104691
 2010-05-26 08:10:02 +00:00
Douglas Gregor 1b30b3c9fa When transforming a C++ "new" expression's constructor arguments, drop 
any arguments that are default-argument expressions. The can show up
when we have a new expression whose constructor arguments are not
type-dependent and whose allocated type is not dependent and has a
constructor with default arguments. Fixes PR7202.

llvm-svn: 104690
 2010-05-26 07:10:06 +00:00
Daniel Dunbar 870e5759e7 MC: Eliminate MCFragment vtable, which was unnecessary. 
llvm-svn: 104689
 2010-05-26 06:50:57 +00:00
Anders Carlsson c222620adf Rename ASTRecordLayoutBuilder to RecordLayoutBuilder. 
llvm-svn: 104688
 2010-05-26 05:58:59 +00:00
Anders Carlsson b47c482cf0 Remove RecordLayoutBuilder.h 
llvm-svn: 104687
 2010-05-26 05:49:19 +00:00
Anders Carlsson 35a36eb78d Move the ASTRecordLayoutBuilder class declaration into the .cpp file. 
llvm-svn: 104686
 2010-05-26 05:41:04 +00:00
Anders Carlsson c7a800e8d4 ASTRecordLayoutBuilder is no longer a friend of ASTRecordLayout. 
llvm-svn: 104685
 2010-05-26 05:36:18 +00:00
Douglas Gregor 9af03022ff Tell the string literal parser when it's not permitted to emit 
diagnostics. That would be while we're parsing string literals for the
sole purpose of producing a diagnostic about them. Fixes
<rdar://problem/8026030>.

llvm-svn: 104684
 2010-05-26 05:35:51 +00:00
Anders Carlsson b48414f4cb Fix thinko and remove another unused function. 
llvm-svn: 104683
 2010-05-26 05:31:23 +00:00
Anders Carlsson 1d1e4cf04d Fix build. 
llvm-svn: 104682
 2010-05-26 05:25:15 +00:00
Anders Carlsson d20e7cd3c6 No need to use the PrimaryBaseInfo struct in the builder. 
llvm-svn: 104681
 2010-05-26 05:20:58 +00:00
Douglas Gregor 0094eb26fc Be sure to use the standard substitutions when mangling the names of 
vtables, VTTs, and construction vtables. Fixes PR7201.

llvm-svn: 104675
 2010-05-26 05:11:13 +00:00
Anders Carlsson 87209bb54b Remove FIXME. 
llvm-svn: 104674
 2010-05-26 05:11:02 +00:00
Anders Carlsson d295486012 Fold the other Layout overload into its sole call site. 
llvm-svn: 104673
 2010-05-26 05:10:47 +00:00
Anders Carlsson 6ed3a9a494 Fold the ASTRecordLayoutBuilder::ComputeLayout overload that takes an ObjCInterfaceDecl pointer into its only callsite. 
llvm-svn: 104672
 2010-05-26 05:04:25 +00:00
Anders Carlsson df291d8d8b Move the relevant ASTContext member functions that deal with ASTRecordLayoutBuilder into RecordLayoutBuilder.cpp. This matches the way we interact with other builder classes (CGRecordLayoutBuilder, VTableBuilder and VTTBuilder) and it also allows for making ASTRecordLayoutBuilder a private class without a header file. 
llvm-svn: 104671
 2010-05-26 04:56:53 +00:00
Shih-wei Liao c4376b9b1b Coding style change (Adding 1 missing space.) 
llvm-svn: 104670
 2010-05-26 04:46:50 +00:00
Zhongxing Xu eb4fc4a64c Small fix. 
llvm-svn: 104669
 2010-05-26 03:36:08 +00:00
Zhongxing Xu d4f1294f1e Remove extents of dead symbolic regions when RemoveDeadBindings. 
This requires creating new persistent states due to the nature of GDM.

llvm-svn: 104668
 2010-05-26 03:27:35 +00:00
Shih-wei Liao 0568ca0ddc Adding the missing implementation for ARM::SBFX and ARM::UBFX. 
Fixing http://llvm.org/bugs/show_bug.cgi?id=7225.

llvm-svn: 104667
 2010-05-26 03:21:39 +00:00
Eric Christopher e805ea9e39 Temporarily revert r104655 as it's breaking the bots. 
llvm-svn: 104664
 2010-05-26 01:59:55 +00:00
Jim Grosbach a6897ecbb5 fix off by 1 (insn) error in eh.sjlj.setjmp thumb code sequence. 
llvm-svn: 104661
 2010-05-26 01:22:21 +00:00
Jakob Stoklund Olesen 50eec620f4 Revert "Replace the SubRegSet tablegen class with a less error-prone mechanism." 
This reverts commit 104654.

llvm-svn: 104660
 2010-05-26 01:21:14 +00:00
Dan Gohman 7c00576a62 Change push_all to a non-virtual function and implement it in the 
base class, since all the implementations are the same.

llvm-svn: 104659
 2010-05-26 01:10:55 +00:00
Dan Gohman 5112aea14d Delete an unused function. 
llvm-svn: 104658
 2010-05-26 00:56:27 +00:00
Dan Gohman 3701b3928e Trim #include. 
llvm-svn: 104657
 2010-05-26 00:55:59 +00:00
Bill Wendling c5222d6c38 Dale and Evan suggested putting the "check for setjmp" much earlier in the 
machine code generation. That's a good idea, so I made it so.

llvm-svn: 104655
 2010-05-26 00:32:40 +00:00
Jakob Stoklund Olesen 0b0274524c Replace the SubRegSet tablegen class with a less error-prone mechanism. 
A Register with subregisters must also provide SubRegIndices for adressing the
subregisters. TableGen automatically inherits indices for sub-subregisters to
minimize typing.

CompositeIndices may be specified for the weirder cases such as the XMM sub_sd
index that returns the same register, and ARM NEON Q registers where both D
subregs have ssub_0 and ssub_1 sub-subregs.

It is now required that all subregisters are named by an index, and a future
patch will also require inherited subregisters to be named. This is necessary to
allow composite subregister indices to be reduced to a single index.

llvm-svn: 104654
 2010-05-26 00:28:19 +00:00
Shih-wei Liao b6e0bc9457 Adding the missing implementation of Bitfield's "clear" and "insert". 
Fixing http://llvm.org/bugs/show_bug.cgi?id=7222.

llvm-svn: 104653
 2010-05-26 00:25:05 +00:00
Shih-wei Liao e22abfa823 To handle s* registers in emitVFPLoadStoreMultipleInstruction(). 
Fixing http://llvm.org/bugs/show_bug.cgi?id=7221.

llvm-svn: 104652
 2010-05-26 00:02:28 +00:00
Eric Christopher e7b64dcc1e Start adding mach-o tls reloc support. 
llvm-svn: 104651
 2010-05-26 00:02:12 +00:00
Jakob Stoklund Olesen 66c939a2ca Drop the SuperregHashTable. It is essentially the same as SubregHashTable. 
llvm-svn: 104650
 2010-05-25 23:43:18 +00:00
Devang Patel 9fc11706e3 First cut at supporting .debug_loc section. 
This is used to track variable information.

llvm-svn: 104649
 2010-05-25 23:40:22 +00:00
Benjamin Kramer 9439084cea Properly promote operands when optimizing a single-character memcmp. 
llvm-svn: 104648
 2010-05-25 22:53:43 +00:00
Bill Wendling 388f638511 Constify function. 
llvm-svn: 104646
 2010-05-25 22:02:22 +00:00
Dan Gohman ce3269b815 Do one map lookup instead of two. 
llvm-svn: 104645
 2010-05-25 21:59:42 +00:00
Dan Gohman a4abd035ea Fix a missing newline in debug output. 
llvm-svn: 104644
 2010-05-25 21:50:35 +00:00
Eric Christopher f3925438e5 Move the verbose asm output up a bit so it can be used in the special cases 
as well.

llvm-svn: 104642
 2010-05-25 21:49:43 +00:00
Bill Wendling b04ef0cfbc Okay, bear with me here... 
If you have a setjmp/longjmp situation, it's possible for stack slot coloring to
reuse a stack slot before it's really dead. For instance, if we have something
like this:

1:  y = g;
    x = sigsetjmp(env, 0);
    switch (x) {
    case 1:
      /* ... */
      goto run;  
    case 0:
  run:
      do_run(); /* marked as "no return" */
      break;
    case 3:
      if (...) {
        /* ... */
        goto run;
      }
      /* ... */
      break;
    }

2:  g = y;

"y" may be put onto the stack, so the expression "g = y" is relying upon the
fact that the stack slot containing "y" isn't modified between (1) and (2). But
it can be, because of the "no return" calls in there. A longjmp might come back
with 3, modify the stack slot, and then go to case 0. And it's perfectly
acceptable to reuse the stack slot there because there's no CFG flow from case 3
to (2).

The fix is to disable certain optimizations in these situations. Ideally, we'd
disable them for all "returns twice" functions. But we don't support that
attribute. Check for "setjmp" and "sigsetjmp" instead.

llvm-svn: 104640
 2010-05-25 21:44:26 +00:00