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572 Commits

Author SHA1 Message Date
Eli Friedman
f481ccafd8 Cleanup; no functionality change. 
llvm-svn: 137126
 2011-08-09 17:38:12 +00:00
Chris Lattner
0e62c1cc0b remove unneeded llvm:: namespace qualifiers on some core types now that LLVM.h imports 
them into the clang namespace.

llvm-svn: 135852
 2011-07-23 10:55:15 +00:00
Chris Lattner
2192fe50da de-constify llvm::Type, patch by David Blaikie! 
llvm-svn: 135370
 2011-07-18 04:24:23 +00:00
John McCall
6549b31fe9 Arrays are permitted to be zero-length in some situations. 
llvm-svn: 135036
 2011-07-13 07:37:11 +00:00
John McCall
f677a8e99e Convert the standard default-construction loops to use phis and 
partial destruction.

llvm-svn: 135033
 2011-07-13 06:10:41 +00:00
John McCall
f47c069162 Aggressive dead code elimination. 
llvm-svn: 135029
 2011-07-13 03:03:51 +00:00
John McCall
30317fda63 Generalize Cleanup::Emit's "isForEH" parameter into a set 
of flags.  No functionality change.

llvm-svn: 134997
 2011-07-12 20:27:29 +00:00
John McCall
4bd0fb1f09 Switch field destruction over to use the new destroyer-based API 
and kill a lot of redundant code.

llvm-svn: 134988
 2011-07-12 16:41:08 +00:00
John McCall
82fe67bb82 A number of array-related IR-gen cleanups. 
- Emit default-initialization of arrays that were partially initialized
    with initializer lists with a loop, rather than emitting the default
    initializer N times;
  - support destroying VLAs of non-trivial type, although this is not
    yet exposed to users; and
  - support the partial destruction of arrays initialized with
    initializer lists when an initializer throws an exception.

llvm-svn: 134784
 2011-07-09 01:37:26 +00:00
John McCall
55e1fbc848 LValue carries a type now, so simplify the main EmitLoad/Store APIs 
by removing the redundant type parameter.

llvm-svn: 133860
 2011-06-25 02:11:03 +00:00
John McCall
1553b19067 Restore correct use of GC barriers. 
llvm-svn: 133144
 2011-06-16 04:16:24 +00:00
John McCall
31168b077c Automatic Reference Counting. 
Language-design credit goes to a lot of people, but I particularly want
to single out Blaine Garst and Patrick Beard for their contributions.

Compiler implementation credit goes to Argyrios, Doug, Fariborz, and myself,
in no particular order.

llvm-svn: 133103
 2011-06-15 23:02:42 +00:00
Richard Smith
938f40b5aa Implement support for C++11 in-class initialization of non-static data members. 
llvm-svn: 132878
 2011-06-11 17:19:42 +00:00
Anders Carlsson
d6f1518cc9 Fix another regression from the "skip vtable pointer initialization" 
optimization. Make sure to require a vtable when trying to get the address
of a VTT, otherwise we would never end up emitting the VTT.

llvm-svn: 131400
 2011-05-16 04:08:36 +00:00
Anders Carlsson
49c0bd2a25 Re-enable the fix for PR9181 now that all the edge cases are handled. 
llvm-svn: 131385
 2011-05-15 17:36:21 +00:00
Anders Carlsson
b55c8c127e Disable the optimization until the bug noticed by Sean Hunt has been fixed. 
llvm-svn: 131372
 2011-05-15 01:50:14 +00:00
Anders Carlsson
9bd7d16440 When emitting the destructor for a class with a vtable, if we can determine 
that the destructor body is trivial and that all member variables also have either
trivial destructors or trivial destructor bodies, we don't need to initialize the
vtable pointers since no virtual member functions will be called on the destructor.

Fixes PR9181.

llvm-svn: 131368
 2011-05-14 23:26:09 +00:00
Anders Carlsson
c36783e8b9 Move code to emit the callee of an CXXOperatorCallExpr out into a separate function in CGClass.cpp 
llvm-svn: 131075
 2011-05-08 20:32:23 +00:00
Alexis Hunt
9d47faf686 Ensure that destructors are properly inovked when an exception leaves 
the body of a delegating constructor call.

This means that the delegating constructor implementation should be
complete and correct, though there are some rough edges (diagnostic
quality with the cycle detection and using a deleted destructor).

llvm-svn: 130803
 2011-05-03 23:05:34 +00:00
Alexis Hunt
271c36811d Fix delegating constructors stylistic issues. 
Material bugfixes to come this afternoon.

llvm-svn: 130782
 2011-05-03 20:19:28 +00:00
Eli Friedman
43dca6a8d2 Simplify code a bit by using CallArgList::add. No intended functionality change. 
llvm-svn: 130699
 2011-05-02 17:57:46 +00:00
Alexis Hunt
61bc173784 Fully implement delegating constructors! 
As far as I know, this implementation is complete but might be missing a
few optimizations. Exceptions and virtual bases are handled correctly.

Because I'm an optimist, the web page has appropriately been updated. If
I'm wrong, feel free to downgrade its support categories.

llvm-svn: 130642
 2011-05-01 07:04:31 +00:00
John McCall
a85af56e66 When block-capturing a variable with a non-trivial destructor, 
make sure to mark the destructor.  This normally isn't required,
because the destructor should have been marked as part of the
declaration of the local, but it's necessary when the variable
is a parameter because it's the call sites that are responsible
for those destructors.

llvm-svn: 130372
 2011-04-28 02:15:35 +00:00
Anders Carlsson
98981b10c8 Replace a couple of Builder.CreateICmpEQ with Builder.CreateIsNull. No functionality change. 
llvm-svn: 129261
 2011-04-11 00:30:07 +00:00
Ken Dyck
bb4e977218 [Reapply r128776, modified so that it does not break debug info.] 
Change the return type of CodeGenVTables::getVirtualBaseOffsetOffset() to
CharUnits. No change in functionality intended.

llvm-svn: 129072
 2011-04-07 12:37:09 +00:00
Devang Patel
84852bbb42 Revert r128770, r128771, r128773 and r128776 for now. It breaks debug info. 
llvm-svn: 128842
 2011-04-04 20:36:06 +00:00
Ken Dyck
1473c9a7c4 Change the return type of CodeGenVTables::getVirtualBaseOffsetOffset() to 
CharUnits. No change in functionality intended.

llvm-svn: 128776
 2011-04-02 17:52:22 +00:00
Jay Foad
20c0f02cc5 Remove PHINode::reserveOperandSpace(). Instead, add a parameter to 
PHINode::Create() giving the (known or expected) number of operands.

llvm-svn: 128538
 2011-03-30 11:28:58 +00:00
Ken Dyck
16ffcac1a2 Convert the BaseOffset member of BaseSubobject to CharUnits from bits. No 
change in functionality intended.

llvm-svn: 128190
 2011-03-24 01:21:01 +00:00
Ken Dyck
3fb4c8920d Convert OffsetFromNearestVBast parameter of InitializeVTablePointer(s) to 
CharUnits. No change in functionality intended.

llvm-svn: 128129
 2011-03-23 01:04:18 +00:00
Ken Dyck
cfc332cc43 Convert NonVirtual parameter of ApplyNonVirtualAndVirtualOffset() to 
CharUnits. No change in functionality intended.

llvm-svn: 128126
 2011-03-23 00:45:26 +00:00
Ken Dyck
6aa767c18e Convert Offset variable in GetAddressOfDirectBaseInCompleteClass() to 
CharUnits. No change in functionality intended.

llvm-svn: 128060
 2011-03-22 01:21:15 +00:00
Ken Dyck
a1a4ae34d0 Change return value of ComputeNonVirtualBaseClassOffset() to CharUnits. No 
change in functionality intended.

llvm-svn: 128050
 2011-03-22 00:53:26 +00:00
John McCall
32ea969415 Use a slightly more semantic interface for emitting call arguments. 
llvm-svn: 127494
 2011-03-11 20:59:21 +00:00
John McCall
a738c25f5e Use the "undergoes default argument promotion" bit on parameters to 
simplify the logic of initializing function parameters so that we don't need
both a variable declaration and a type in FunctionArgList.  This also means
that we need to propagate the CGFunctionInfo down in a lot of places rather
than recalculating it from the FAL.  There's more we can do to eliminate
redundancy here, and I've left FIXMEs behind to do it.

llvm-svn: 127314
 2011-03-09 04:27:21 +00:00
Anders Carlsson
6dc07d4e56 Get rid of the areExceptionsEnabled() getter from LangOptions. 
llvm-svn: 126598
 2011-02-28 00:33:03 +00:00
Devang Patel
b6ed369e77 A constructor call should force class's debug info even if -flimit-debug-info is enabled. 
llvm-svn: 126246
 2011-02-22 20:55:26 +00:00
Anders Carlsson
08ce5ed1b1 Add a LangOptions::areExceptionsEnabled and start using it. 
llvm-svn: 126062
 2011-02-20 00:20:27 +00:00
John McCall
ad7c5c1657 Reorganize CodeGen{Function,Module} to eliminate the unfortunate 
Block{Function,Module} base class.  Minor other refactorings.

Fixed a few address-space bugs while I was there.

llvm-svn: 125085
 2011-02-08 08:22:06 +00:00
Fariborz Jahanian
7f6f81ba9b Clean up of -fapple-kext abi code. No change otherwise. 
llvm-svn: 124807
 2011-02-03 19:27:17 +00:00
Fariborz Jahanian
0c12ed1429 -fapple-kext, elimination of all direct calls to virtual dtors. 
llvm-svn: 124757
 2011-02-02 23:12:46 +00:00
Fariborz Jahanian
265c325ef3 -fapple-kext support for indirect call to virtuals dtors - wip. 
llvm-svn: 124701
 2011-02-01 23:22:34 +00:00
Anders Carlsson
883fc72c3c Make emitting a VTT a two-step process, much like emitting a VTable. You first get the address of the VTT, and then pass it to EmitVTTDefinition. 
llvm-svn: 124539
 2011-01-29 19:16:51 +00:00
Anders Carlsson
a376b53695 When doing a derived-to-base class through a virtual class, we don't have to get the vbase offset from the vtable if the derived class is marked final. 
llvm-svn: 124523
 2011-01-29 03:18:56 +00:00
Alexis Hunt
1d7926502f Renamed CXXBaseOrMemberInitializer to CXXCtorInitializer. This is both shorter, 
more accurate, and makes it make sense for it to hold a delegating constructor
call.

llvm-svn: 123084
 2011-01-08 20:30:50 +00:00
Francois Pichet
d583da04d0 More anonymous struct/union redesign. This one deals with anonymous field used in a constructor initializer list: 
struct X {
  X() : au_i1(123) {}
  union {
    int au_i1;
    float au_f1;
  };
};

clang will now deal with au_i1 explicitly as an IndirectFieldDecl.

llvm-svn: 120900
 2010-12-04 09:14:42 +00:00
Fariborz Jahanian
e988bdac44 Block API patch to do copy ctor of copied-in cxx objects in 
copy helper function and dtor of copied cxx objects
in dispose helper functions. __block variables
TBD next.

llvm-svn: 119011
 2010-11-13 21:53:34 +00:00
Anders Carlsson
fd88a6160d Rename getBaseClassOffset to getBaseClassOffsetInBits and introduce a getBaseClassOffset which returns the offset in CharUnits. Do the same thing for getVBaseClassOffset. 
llvm-svn: 117881
 2010-10-31 23:22:37 +00:00
Dan Gohman
8fc50c296a Factor out the code for emitting code to load vtable pointer members 
so that it's done in one place.

llvm-svn: 117386
 2010-10-26 18:44:08 +00:00
John McCall
1c9c3fd50a Death to blocks, or at least the word "block" in one particular obnoxiously 
ambiguous context.

llvm-svn: 116567
 2010-10-15 04:57:14 +00:00