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245 Commits

Author SHA1 Message Date
Eli Friedman
e85ef718d5 Fix up EmitMemberInitializer to handle many more cases. 
llvm-svn: 88999
 2009-11-16 23:53:01 +00:00
Eli Friedman
5e7d969526 Reorganize EmitMemberInitializer to put anonymous unions on the common codepath. 
llvm-svn: 88995
 2009-11-16 23:34:11 +00:00
Eli Friedman
c1daba3ec8 Make member initializers for union members work correctly. 
llvm-svn: 88989
 2009-11-16 22:58:01 +00:00
Eli Friedman
c2ef215bda Implement a few more cases for copy constructor synthesis. 
llvm-svn: 88971
 2009-11-16 21:47:41 +00:00
Eli Friedman
e6ce354795 Fix a couple of cases where we weren't generating the right kind of call 
for a call to a virtual function.

llvm-svn: 88891
 2009-11-16 05:31:29 +00:00
Anders Carlsson
d787204e6d When generating the deleting ctor, emit a call to delete. 
llvm-svn: 88878
 2009-11-15 23:03:25 +00:00
Eli Friedman
b572c92674 PR5483: Generate missing form of destructor when it is virtual. (Someone 
more familiar with this stuff should double-check that there isn't some more
general rule; this is purely from inspecting g++ output.)

llvm-svn: 88755
 2009-11-14 04:19:37 +00:00
Fariborz Jahanian
ebea005812 Code gen. For virtual destructor call on array objects 
(still part of pr5472).

llvm-svn: 88712
 2009-11-13 22:29:45 +00:00
Fariborz Jahanian
6814eaa2cc Code gen for arrady delete operator. Fixes pr5472. 
llvm-svn: 88680
 2009-11-13 19:27:47 +00:00
Anders Carlsson
fb4dda4fed Instead of storing CXXMethodDecls in the vtable builder, store GlobalDecls so we can represent both the complete and deleting destructors. Also, when encountering a destructor decl, emit entries for both the complete and deleting destructors. Mike, please review. 
With this change, FileCheck builds and runs the clang test suite without failures!

llvm-svn: 88663
 2009-11-13 17:08:56 +00:00
Anders Carlsson
e828c36933 Add a special BuildVirtualCall that's going to be used for building calls to destructors. This is needed because when compiling: 
struct A {
	virtual ~A();
};

void f(A* a) {
	delete a;
}

A's deleting destructor should be called.

llvm-svn: 87083
 2009-11-13 04:45:41 +00:00
Anders Carlsson
78cfaa9e56 Fix two bugs with temporaries: 
1. For 

A f() {
	return A();
}

we were incorrectly calling the A destructor on the returned object.

2. For

void f(A);
void g() {
	A a;
	f(a);
}

we were incorrectly not calling the copy constructor.

llvm-svn: 87082
 2009-11-13 04:34:45 +00:00
Fariborz Jahanian
03f62ed9bb Value initialize non-class array members in ctor's 
initializer list. Fixes PR5463.

llvm-svn: 86849
 2009-11-11 17:55:25 +00:00
Fariborz Jahanian
e6c8112572 Avoid generating additional destructor(s) for initialized constructed 
objects.

llvm-svn: 86778
 2009-11-11 01:13:34 +00:00
Fariborz Jahanian
1254a0978c This patch implements Code gen. for destruction of 
global array of objects.

llvm-svn: 86701
 2009-11-10 19:24:06 +00:00
Mike Stump
d846d0825b Add vtable caching to prevent multiple vtables for the same class from 
being generated.

Add the most derived vtable pointer to the VTT.

llvm-svn: 86671
 2009-11-10 07:44:33 +00:00
Eli Friedman
d7686ef31c Unify the codepaths used to verify base and member initializers for explicitly 
and implicitly defined constructors.  This has a number of benefits:

1. Less code.

2. Explicit and implicit constructors get the same diagnostics.

3. The AST explicitly contains constructor calls from implicit default
constructors.  This allows handing some cases that previously weren't handled
correctly in IRGen without any additional code. Specifically, implicit default
constructors containing calls to constructors with default arguments are now
handled correctly.

llvm-svn: 86500
 2009-11-09 01:05:47 +00:00
Fariborz Jahanian
c2d71b531c This patch fixes code gen. part of pr5333 (Conversion 
using elipsis conversion).

llvm-svn: 86276
 2009-11-06 18:47:57 +00:00
Anders Carlsson
5852b13827 If a member initializer create temporaries we need to destroy them. Fixes PR5077. 
llvm-svn: 86225
 2009-11-06 04:11:09 +00:00
Anders Carlsson
a7cb98b202 More cleanup. 
llvm-svn: 86224
 2009-11-06 03:23:06 +00:00
Mike Stump
c550768a11 References can't be zero; omit zero check for return value adjustments 
in covariant thunks that return references.

llvm-svn: 86121
 2009-11-05 06:32:02 +00:00
Mike Stump
b8da7a046d Refine covariant return value adjustments for thunks when null 
pointers are returned.

llvm-svn: 86120
 2009-11-05 06:12:26 +00:00
Fariborz Jahanian
18bc195473 Add code gen for pointer-to-member function in 
ctor's initializer. Fixes pr5178.

llvm-svn: 86040
 2009-11-04 19:13:37 +00:00
Douglas Gregor
615ac67fb8 Store the unresolved class type in MemberPointerType's Class field, 
from Peter Collingbourne!

llvm-svn: 86030
 2009-11-04 16:49:01 +00:00
Mike Stump
b9c9b351e9 Fix 80-col violations. 
llvm-svn: 85990
 2009-11-04 01:11:15 +00:00
Mike Stump
71609a2874 Split out return adjustments in thunks from this adjustment in thunks 
so the optimizer can tailcall into the return value adjustment thunk.
This improves codesize for complex hierarchies.

llvm-svn: 85988
 2009-11-04 00:53:51 +00:00
Mike Stump
8117848174 Misc cleanups. 
llvm-svn: 85978
 2009-11-03 23:50:34 +00:00
Mike Stump
53f9ded62b Refine volatile handling, specifically, we must have the canonical 
type to look at the volatile specifier.  I found these all from just
hand auditing the code.

llvm-svn: 85967
 2009-11-03 23:25:48 +00:00
Mike Stump
77738205e6 Refine return value adjustments for thunks. 
llvm-svn: 85905
 2009-11-03 16:59:27 +00:00
Mike Stump
92e5f8cb39 Refine codegen for non-virtual this adjustments for thunks. 
llvm-svn: 85856
 2009-11-03 03:16:46 +00:00
Mike Stump
f358972fdc Add virtual adjustments for this for thunks. 
llvm-svn: 85852
 2009-11-03 02:12:59 +00:00
Mike Stump
31e1d43729 Add basic codegen for thunks that return values. 
llvm-svn: 85842
 2009-11-02 23:47:45 +00:00
Mike Stump
33ccd9e354 Refine codegen for thunks. 
llvm-svn: 85839
 2009-11-02 23:22:01 +00:00
Fariborz Jahanian
29baa2b1ba Minor cleanup. 
llvm-svn: 85434
 2009-10-28 21:07:28 +00:00
Fariborz Jahanian
f1639fffbc Code gen for array construction - WIP 
llvm-svn: 85432
 2009-10-28 20:55:41 +00:00
Fariborz Jahanian
e4d94cee05 Code-gen for CXXZeroInitValueExpr AST passed 
as argument to a function call. Removes a FIXME.

llvm-svn: 84694
 2009-10-20 23:29:04 +00:00
Fariborz Jahanian
da21efb566 Implement derived-to-base AST/code gen. There is a 
FIXME in CGCXX.cpp that I would like Anders to
take a look at.

llvm-svn: 84265
 2009-10-16 19:20:59 +00:00
Anders Carlsson
6bfee8f3e3 Don't assume that the LHS and RHS of a member pointer expression is a DeclRefExpr. Fixes PR5177. 
llvm-svn: 83986
 2009-10-13 17:41:28 +00:00
Anders Carlsson
a1b54fdbe1 Even more devirtualization cleverness. 
llvm-svn: 83886
 2009-10-12 19:59:15 +00:00
Anders Carlsson
2a01709204 More devirtualization improvements. 
llvm-svn: 83883
 2009-10-12 19:51:33 +00:00
Anders Carlsson
b61301f353 Devirtualize calls on temporaries. A().f() for example. 
llvm-svn: 83882
 2009-10-12 19:45:47 +00:00
Anders Carlsson
d7432dfb0a Factor out devirtualization checking into a separate function and make it handle references correctly. 
llvm-svn: 83880
 2009-10-12 19:41:04 +00:00
Anders Carlsson
b5296558f1 If the base type of a member call is a record type we don't need to emit a virtual call. 
llvm-svn: 83816
 2009-10-11 23:55:52 +00:00
Anders Carlsson
2bb27f53e0 Move the vtable builder to CGVtable.cpp, general cleanup. 
llvm-svn: 83798
 2009-10-11 22:13:54 +00:00
Anders Carlsson
2295f31810 Change mangleCXXVtable and mangleCXXRtti to take CXXRecordDecls instead of QualTypes. 
llvm-svn: 83793
 2009-10-11 21:24:51 +00:00
Anders Carlsson
6ce51fdf43 Move our (non-existing) RTTI emission code into CGRtti.cpp. No functionality change. 
llvm-svn: 83732
 2009-10-10 20:49:04 +00:00
Mike Stump
0d479e6653 Avoid warning. 
llvm-svn: 83609
 2009-10-09 01:25:47 +00:00
Anders Carlsson
ff971e8bf4 Add a MangleContext and pass it to all mangle functions. It will be used for keeping state, such as identifiers assigned to anonymous structs as well as scope encoding. 
llvm-svn: 83442
 2009-10-07 01:06:45 +00:00
Anders Carlsson
b703fd2216 Uncomment some commented out code. 
llvm-svn: 83428
 2009-10-06 23:02:00 +00:00
Anders Carlsson
c6d171ec77 Change GetAddressCXXOfBaseClass to use CXXBasePaths for calculating base class offsets. Fix the code to handle virtual bases as well. 
llvm-svn: 83426
 2009-10-06 22:43:30 +00:00