Commit Graph

716 Commits

Author SHA1 Message Date
John McCall 49786a6c31 Codegen CXXConstructExprs with trivial constructors as constants.
Eliminates a lot of spurious global initializers, fixing PR6205.

llvm-svn: 95077
2010-02-02 08:02:49 +00:00
Anders Carlsson 75b1f959da Check in a test case and a nasty workaround for PR6199.
llvm-svn: 95076
2010-02-02 07:10:35 +00:00
Daniel Dunbar c4c7db6b71 XFAIL two tests on Win32 until some cares to investigate... the problem on
dyncast is just due to \r\n newline interaction w/ regexps. The remap-load.c
failure is a bit stranger (the end of the extent is on the next line), but I
don't care to investigate.

llvm-svn: 95071
2010-02-02 05:41:30 +00:00
Anders Carlsson e8bfe412ec Improve handling of emitting 'null' pointers to data members.
llvm-svn: 95066
2010-02-02 05:17:25 +00:00
Anders Carlsson 259688ce29 Move pointer to data member emission to CodeGenModule and use it in CGExprConstant. Fixes PR5674.
llvm-svn: 95063
2010-02-02 03:37:46 +00:00
Anders Carlsson 15217531f7 Merge a test into pointers-to-data-members.cpp and convert it to FileCheck.
llvm-svn: 95061
2010-02-02 03:32:35 +00:00
Anders Carlsson 2cfade1671 Rename a test.
llvm-svn: 95060
2010-02-02 03:23:38 +00:00
Anders Carlsson 6276b2506d When performing a derived-to-base cast that we know will not change the offset, we don't need to null check the input pointer. Fixes PR5965.
llvm-svn: 94942
2010-01-31 02:39:02 +00:00
Anders Carlsson 600f737b95 When doing a base-to-derived cast we don't need to null check the derived value if the class offset is 0.
llvm-svn: 94939
2010-01-31 01:43:37 +00:00
Douglas Gregor 65eb86e912 Fix reference binding of const lvalue references to bit-fields, which
requires a temporary. Previously, we were building an initialization
sequence that bound to the bit-field as if it were a real lvalue. Note
that we previously (and still) diagnose binding of non-const
references to bit-fields, as we should.

There's no real way to test that this code is correct, since reference
binding does not *currently* have any representation in the AST. This
fix should make it easier for that to happen, so I've verified this
fix with...

Added InitializationSequence::dump(), to print an initialization
sequence for debugging purposes.

llvm-svn: 94826
2010-01-29 19:14:02 +00:00
Douglas Gregor 16810ca647 Name mangling for cast expressions, from Matthias Schiffer! Fixes PR5876.
llvm-svn: 94811
2010-01-29 16:37:09 +00:00
Anders Carlsson 26809837b9 Update xcode project.
llvm-svn: 94654
2010-01-27 03:22:55 +00:00
Anders Carlsson 2a58948dc9 XFAIL this for now.
llvm-svn: 94653
2010-01-27 03:06:00 +00:00
Anders Carlsson 29f899dc6f Fix test/CodeGenCXX/default-destructor-synthesis.cpp not to rely on asm output.
llvm-svn: 94652
2010-01-27 03:03:08 +00:00
Anders Carlsson 483d08a25a Fix attr.cpp by not checking the generated assembler output.
llvm-svn: 94651
2010-01-27 02:49:52 +00:00
Mike Stump a04ecfb701 Refine the non-virtual this adjustments for thunks by using the offset
to the declaring class from the nearest virtual base class.  WIP.

This fixes 40% of all the problems remaining in one of my testcases.

llvm-svn: 94592
2010-01-26 21:35:27 +00:00
Anders Carlsson ca4a5459d8 Use the right definition when emitting a global variable. Fixes PR5564.
llvm-svn: 94555
2010-01-26 17:43:42 +00:00
Anders Carlsson d6b21e4842 If a global variable has an initializer with side effects, it can never be deferred (even if it's in an anonymous namespace).
llvm-svn: 94525
2010-01-26 06:15:16 +00:00
Anders Carlsson 0b5f1ddf0a Fix another debug info crash with virtual bases.
llvm-svn: 94520
2010-01-26 05:26:39 +00:00
Anders Carlsson 17ed0496c5 Fix the test I broke, and also fix a crash when declaring a virtual destructor. Add debug info support for pure virtual member functions.
llvm-svn: 94519
2010-01-26 05:19:50 +00:00
Anders Carlsson 20bbbd489b Make sure to always mark a global variable as not being constant if it has a C++ initializer.
llvm-svn: 94504
2010-01-26 04:02:23 +00:00
Mike Stump 77537b136e Be sure to track the non-virtual part of the vcall offset in complex
multiple inheritance cases.  WIP.

This fixes 20% of the outstanding problems found by the randomized
tester.

llvm-svn: 94499
2010-01-26 03:42:22 +00:00
Mike Stump 90181eb294 Fixup a missing vcall entry. WIP.
llvm-svn: 94478
2010-01-26 00:05:04 +00:00
Fariborz Jahanian 210031b79c Fix a code gen. bug involving compiling global references.
(fixes radar 7574896).

llvm-svn: 94434
2010-01-25 18:30:26 +00:00
Alexis Hunt aecc45cb3c Mangle static variables with an extra name to distinguish them from non-static variables in the same TU.
Fixes PR5966 for real this time; also reverts r92911, which had a incorrect fix.

llvm-svn: 94352
2010-01-24 03:04:27 +00:00
Anders Carlsson 60ddba67a8 Fix a nasty bug where temporaries weren't marked as being conditional in some cases.
llvm-svn: 94341
2010-01-24 00:20:05 +00:00
Mike Stump 0978af83b3 Insulate these from changes to the default for -Wunreachable-code.
llvm-svn: 94326
2010-01-23 20:12:18 +00:00
Benjamin Kramer 20bac07abb Adjust testcase for recent AsmPrinter changes, sigh.
llvm-svn: 94307
2010-01-23 10:15:32 +00:00
Daniel Dunbar c766b8a1f4 Fix a FIXME, this test folds to a constant now.
llvm-svn: 94263
2010-01-23 00:26:29 +00:00
Mike Stump 1891698a9b Fixup the rest of the testcases to grep the .ll file instead of the .s
file, and add FIXMEs to the remaining broken tests.

llvm-svn: 94238
2010-01-22 22:37:17 +00:00
Mike Stump 3cd08d9df7 Convert more testcases to checking the .ll file instead of the .s file.
llvm-svn: 94229
2010-01-22 22:06:55 +00:00
Mike Stump 0a2754ed8a Be sure to select primary bases among the nearly empties in preorder,
not just among the direct bases.  Before we where missing nearly
empties that were bases of virtual base classes.

llvm-svn: 94208
2010-01-22 20:27:17 +00:00
Mike Stump 9eb76d47f2 Ensure we output all non-virtual base vtables. Fixes PR5890.
llvm-svn: 94163
2010-01-22 06:45:05 +00:00
Benjamin Kramer 2067816b3a Revert r94073, it fails in Release-Asserts builds.
llvm-svn: 94089
2010-01-21 18:14:21 +00:00
Benjamin Kramer d2eba45be3 Match branch labels with the trailing colon so we don't accidentally match something else.
llvm-svn: 94073
2010-01-21 15:19:14 +00:00
Chris Lattner 5e536d85ad allow this test to pass, even with the recent .s printer changes.
Have I ever mentioned that clang regtests should not be grepping .s files??

llvm-svn: 93998
2010-01-20 07:45:09 +00:00
Anders Carlsson 07894e8a0e More VTT builder fixes. With these fixes we now correctly handle the very complex VTT example from the Itanium ABI spec.
llvm-svn: 93725
2010-01-18 17:13:59 +00:00
Anders Carlsson 1af3df854f Fix a bunch of VTT layout bugs, add simple tests for VTT layout.
llvm-svn: 93709
2010-01-18 04:25:18 +00:00
Anders Carlsson 25933d4ecd Update virt.cpp for changes to the LLVM asm printer (?) This test should really be all LLVM IR...
llvm-svn: 93707
2010-01-18 03:58:13 +00:00
Eli Friedman 8fdc2cb46a Fix crash generating debug info for constructor for anonymous struct.
llvm-svn: 93601
2010-01-16 00:43:13 +00:00
Eli Friedman 1fcf66b0dd Make the AST explicitly represent the cast of the first operand of a
pointer-to-member operator.

llvm-svn: 93592
2010-01-16 00:00:48 +00:00
Eli Friedman cab014721b Fix a couple bugs in copy assignment operator synthesis.
llvm-svn: 93546
2010-01-15 20:06:11 +00:00
Mike Stump fc4daba5e0 Fix Release-Asserts for the time being.
llvm-svn: 93493
2010-01-15 00:50:35 +00:00
Mike Stump 6f0bf82622 Fix Release-Asserts.
llvm-svn: 93353
2010-01-13 21:23:04 +00:00
Mike Stump 8521f06ced Fix for Release-Assert.
llvm-svn: 93348
2010-01-13 20:58:35 +00:00
Mike Stump 2f7b246a47 Fix for Release-Asserts.
llvm-svn: 93347
2010-01-13 20:57:29 +00:00
Mike Stump 5c1e7259f1 Fix Release-Asserts.
llvm-svn: 93346
2010-01-13 20:43:31 +00:00
Chandler Carruth 04bdce6407 Fix the CodeGen half of PR5911 by changing reference initialization to
correctly look through arrays to see cv-qualifiers. Also enhances the routine
for doing this to preserve more type sugaring for diagnostics.

llvm-svn: 93252
2010-01-12 20:32:25 +00:00
Chris Lattner bb8976e36e implement codegen support for preinc as an lvalue, PR5514.
llvm-svn: 93076
2010-01-09 21:44:40 +00:00
Eli Friedman 5866fe306d Fix for PR5967: Make const-marking for LLVM globals correct for cases requiring
run-time initialization, and emit run-time initializers aggresively to avoid
ordering issues with deferred globals.

llvm-svn: 92976
2010-01-08 00:50:11 +00:00
Nuno Lopes 950d5b2cd3 fix PR5869: mangle static symbols like gcc does to make it easier to diff symbol tables
llvm-svn: 92911
2010-01-07 09:36:51 +00:00
Douglas Gregor 3a08dcc156 Test linkage of typeinfo and typeinfo names for class templates
llvm-svn: 92897
2010-01-07 04:09:30 +00:00
Douglas Gregor d01472beee Revert my available_externally vtables experiment. It's breaking the LLVM-with-Clang build with linker errors that I have yet to investigate.
llvm-svn: 92822
2010-01-06 04:50:56 +00:00
Douglas Gregor 1a68ab6c83 Make use of available_externally linkage for vtables when the
non-inline key function of a class template instantiation, when no key
function is present, the class template instantiation itself was
instantiated with an explicit instantiation declaration (aka extern
template). I'm fairly certain that the C++0x specification gives us
this lattitude, although GCC doesn't take advantage of it.

llvm-svn: 92779
2010-01-05 21:40:05 +00:00
Douglas Gregor a318efd1f2 Improve key-function computation for templates. In particular:
- All classes can have a key function; templates don't change that.
  non-template classes when computing the key function.
  - We always mark all of the virtual member functions of class
  template instantiations. 
  - The vtable for an instantiation of a class template has weak
  linkage. 

We could probably use available_externally linkage for vtables of
classes instantiated by explicit instantiation declarations (extern
templates), but GCC doesn't do this and I'm not 100% that the ABI
permits it.

llvm-svn: 92753
2010-01-05 19:06:31 +00:00
Anders Carlsson a0b025e40f When emitting member function pointers, use the canonical decl if the member function is virtual. Fixes PR5940.
llvm-svn: 92680
2010-01-05 05:04:05 +00:00
Eli Friedman 50f6aa11cf Improve coverage for test.
llvm-svn: 92440
2010-01-03 01:20:41 +00:00
Anders Carlsson e36a6b3e44 Correctly pass VTT parameters to constructors and destructors. The VTTs aren't yet used in the ctors/dtors, but that will follow.
llvm-svn: 92409
2010-01-02 01:01:18 +00:00
Anders Carlsson 2d21394190 If the key function of a record is inline, then the RTTI data should have weak_odr linkage.
llvm-svn: 92371
2009-12-31 19:36:25 +00:00
Anders Carlsson bc7def9850 Remove rtti.cpp, it's very fragile and has been marked XFAIL for a while now. Between rtti-layout.cpp and rtti-linkage.cpp, RTTI testing should be covered.
llvm-svn: 92361
2009-12-31 17:44:32 +00:00
Anders Carlsson a442499072 Fix a bunch of bugs with VMI RTTI building, and add a whole bunch of tests.
llvm-svn: 92319
2009-12-30 23:47:56 +00:00
Anders Carlsson 1e4cd33f13 Add base class checks.
llvm-svn: 92286
2009-12-30 01:29:05 +00:00
Anders Carlsson a4bbe58c3b Add more vtable tests.
llvm-svn: 92285
2009-12-30 01:25:42 +00:00
Anders Carlsson ac2f681777 More RTTI cleanup, test that RTTI classes have the correct vtables.
llvm-svn: 92284
2009-12-30 01:00:12 +00:00
Anders Carlsson ef88695860 Handle enum types as well.
llvm-svn: 92276
2009-12-29 22:13:01 +00:00
Anders Carlsson 26cf4ab8e2 Fix function type RTTI linkage and add tests.
llvm-svn: 92266
2009-12-29 20:20:19 +00:00
Sam Weinig b999f68ed9 Fix for PR5871. Make __PRETTY_FUNCTION__ work for member functions defined in a class local to a function.
llvm-svn: 92200
2009-12-28 03:19:38 +00:00
Eli Friedman e513c6af97 Fix runline.
llvm-svn: 92174
2009-12-27 05:59:41 +00:00
Eli Friedman 847a2bce04 Fix PointerExprEvaluator::VisitCastExpr so it doesn't misfold C++ casts which
it doesn't know how to fold, like derived-to-base casts.

llvm-svn: 92173
2009-12-27 05:43:15 +00:00
Sam Weinig 4e83bd2795 Fix for PR5872. Add static specifier and const/volatile qualifiers to member functions in __PRETTY_FUNCTION__ predefined expressions.
llvm-svn: 92171
2009-12-27 01:38:20 +00:00
Eli Friedman fddc26cc64 Make copy constructor elimination work in more cases; the case in question
here affects clang-on-clang.

llvm-svn: 92151
2009-12-24 23:33:34 +00:00
Sam Weinig 07d211ea40 Fix for PR5844. Be explicit about anonymous struct/class/union/namespaces in __PRETTY_FUNCTION__ predefined expression.
llvm-svn: 92149
2009-12-24 23:15:03 +00:00
Douglas Gregor 363b151ff7 When transforming CXXExprWithTemporaries and CXXBindTemporaryExpr
expressions (e.g., for template instantiation), just transform the
subexpressions and return those, since the temporary-related nodes
will be implicitly regenerated. Fixes PR5867, but I said that
before...

llvm-svn: 92135
2009-12-24 18:51:59 +00:00
Douglas Gregor f82bead3fd InitializationSequence handles binding to temporaries, so that
argument-passing doesn't have to. Fixes PR5867, where we were binding
a temporary twice in the AST and, therefore, calling its destructor
twice.

llvm-svn: 92131
2009-12-24 17:16:46 +00:00
Anders Carlsson a88d197284 Mangle block pointer types. Fixes PR5858.
llvm-svn: 92069
2009-12-23 22:31:44 +00:00
Douglas Gregor 247894b361 There is no such thing as typeinfo for a cv-qualified type. Assert
that this is true when mangling, then fix up the various places in
Sema and/or CodeGen that need to remove qualifiers. Addresses a
linking issue when building LLVM with Clang.

llvm-svn: 92064
2009-12-23 22:04:40 +00:00
Douglas Gregor f45f6828c6 Remove cv-qualifiers from the argument to typeid
llvm-svn: 92041
2009-12-23 20:51:04 +00:00
Anders Carlsson 910847c149 Mangle template template parameters. Fixes PR5861.
llvm-svn: 92030
2009-12-23 19:30:55 +00:00
Douglas Gregor 19fc0b753a Make sure that reinterpret_cast gets a CastKind on all successful
paths. Fixes "cannot compile this unexpected cast lvalue yet" error in
llvm/lib/Analysis/IPA/GlobalsModRef.cpp.

llvm-svn: 91932
2009-12-22 22:47:22 +00:00
Anders Carlsson 8a35c7982c Make sure that we mangle overloaded operators that are member functions correctly, giving them the correct arity.
With this seemingly insignificant fix, we are now able to build and link clang using clang itself! (LLVM still has to be built with gcc for the time being).

llvm-svn: 91893
2009-12-22 06:36:32 +00:00
Daniel Dunbar 3780f0b680 x86_64: Structures with no fields but which have padding should be classified as
integer.
 - This is consistent, but may not be correct. I will revisit x86_64 ABI handling for C++ as a whole at some point.
 - PR5831.

llvm-svn: 91874
2009-12-22 01:19:25 +00:00
Douglas Gregor 4141d5bea2 When converting from a type to itself or one of its base classes via a
constructor call, the conversion is only a standard conversion
sequence if that constructor is a copy constructor. This fixes PR5834
in a semi-lame way, because the "real" fix will be to move over to
InitializationSequence. That will happen "soonish", but not now.

llvm-svn: 91861
2009-12-22 00:21:20 +00:00
Anders Carlsson 9a98ac993f Add tests for structs inside anonymous namespaces.
llvm-svn: 91806
2009-12-21 00:57:38 +00:00
Anders Carlsson 2b7f444366 Incomplete structs should also have internal linkage.
llvm-svn: 91805
2009-12-21 00:41:42 +00:00
Anders Carlsson 18e6ee1b20 Correcly handle pointers to member pointer types where the class or the pointee is incomplete.
llvm-svn: 91804
2009-12-20 23:37:55 +00:00
Anders Carlsson d008129f34 Rework the way pointer types are handled by the RTTI builder. We now get the right linkage for indirect pointers to incomplete structs.
llvm-svn: 91799
2009-12-20 22:30:54 +00:00
Douglas Gregor a4b592a7d5 Switch more of Sema::CheckInitializerTypes over to
InitializationSequence. Specially, switch initialization of a C++
class type (either copy- or direct-initialization). 

Also, make sure that we create an elidable copy-construction when
performing copy initialization of a C++ class variable. Fixes PR5826.

llvm-svn: 91750
2009-12-19 03:01:41 +00:00
Anders Carlsson 6fda43f4c1 Correctly initialize the PrimaryBaseInfo if a base is null. Fixes PR5832.
llvm-svn: 91748
2009-12-19 02:13:41 +00:00
Eli Friedman 357e8c94d6 Fix for PR5524: make reference binding in default argument work correctly.
llvm-svn: 91733
2009-12-19 00:20:10 +00:00
Eli Friedman 726b878574 Test for r91724.
llvm-svn: 91730
2009-12-18 23:42:55 +00:00
Anders Carlsson 0087bc851c Fix regression I introduced when dynamic_cast-ing to a reference type.
llvm-svn: 91687
2009-12-18 14:55:04 +00:00
Anders Carlsson b396f43520 It's perfectly fine to see UserDefinedConversion casts when emitting scalar expressions.
llvm-svn: 91686
2009-12-18 14:42:03 +00:00
Douglas Gregor e1314a64b8 Switch the initialization required by return statements over to the
new InitializationSequence. This fixes some bugs (e.g., PR5808),
changed some diagnostics, and caused more churn than expected. What's
new:

  - InitializationSequence now has a "C conversion sequence" category
    and step kind, which falls back to
  - Changed the diagnostics for returns to always have the result type
    of the function first and the type of the expression second.
    CheckSingleAssignmentConstraints to peform checking in C. 
  - Improved ASTs for initialization of return values. The ASTs now
    capture all of the temporaries we need to create, but
    intentionally do not bind the tempoary that is actually returned,
    so that it won't get destroyed twice.
  - Make sure to perform an (elidable!) copy of the class object that
    is returned from a class.
  - Fix copy elision in CodeGen to properly see through the
    subexpressions that occur with elidable copies.
  - Give "new" its own entity kind; as with return values and thrown
    objects, we don't bind the expression so we don't call a
    destructor for it.

Note that, with this patch, I've broken returning move-only types in
C++0x. We'll fix it later, when we tackle NRVO.

llvm-svn: 91669
2009-12-18 05:02:21 +00:00
Sean Callanan 12ca3f46d8 Testcase fixes to reflect instruction table changes in the LLVM backend
(http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20091214/092780.html)
The instruction fixes were checked and approved by Chris Lattner, but
these testcase fixes are mine; please yell at me if there are any
problems with either.

* PR5050-constructor-conversion.cpp
* array-construction.cpp
* constructor-conversion.cpp
* cast-conversion.cpp
* constructor-default-arg.cpp
* derived-to-base-conv.cpp
* ptr-to-member-function.cpp
* call-arg-zero-temp.cpp
* default-destructor-synthesis.cpp
* global-array-destruction.cpp
* array-operator-delete-call.cpp
* decl-ref-init.cpp
* default-constructor-for-members.cpp
* convert-to-fptr.cpp
* constructor-for-array-members.cpp
* conversion-function.cpp
* objc-read-weak-byref.m
	Fixed testcase to reflect call qualifier

llvm-svn: 91640
2009-12-18 00:04:09 +00:00
Nuno Lopes 641fdce235 revert part of my last patch, and mark only the c++ global new operator as noalias. the rest will be infered by llvm optz
llvm-svn: 91600
2009-12-17 10:15:49 +00:00
Anders Carlsson 539e584c3c Attempt to fix rtti-layout.cpp on Linux.
llvm-svn: 91581
2009-12-17 04:57:25 +00:00
Anders Carlsson dc9b9cf7b1 Add a (currently failing) RTTI layout test.
llvm-svn: 91580
2009-12-17 04:41:05 +00:00
Douglas Gregor 8cdc2e0590 Fix test case to unbreak testing
llvm-svn: 91551
2009-12-16 19:18:40 +00:00
Douglas Gregor 4f4b186215 When value-initializing a class with no user-defined constructors but
with a non-trivial default constructor, zero-initialize the storage
and then call the default constructor. Fixes PR5800.

llvm-svn: 91548
2009-12-16 18:50:27 +00:00
Anders Carlsson d681a29ac0 Baby steps towards fixing PR5589. If a class needs a vtable pointer, add one.
llvm-svn: 91545
2009-12-16 17:27:20 +00:00
Nuno Lopes 13c88c7269 implement PR5654: add -fassume-sane-operator-new, which is enabled by default, and adds the malloc attribute to the global function new() and to the overloaded new operators.
feel free to chage the name to this lengthy argument

llvm-svn: 91543
2009-12-16 16:59:22 +00:00
Anders Carlsson 07863b8b6e Use GetAddrOfRTTI everywhere and remove GenerateRTTI and GenerateRTTIRef. With this change, we can now compile and link TableGen.
llvm-svn: 91520
2009-12-16 07:05:41 +00:00
Anders Carlsson 18ada9856f Handle ImplicitValueInitExpr in AggExprEmitter.
llvm-svn: 91519
2009-12-16 06:57:54 +00:00
Anders Carlsson b7e93e268f Mangle CXXOperatorCallExprs, fixes PR5796.
llvm-svn: 91507
2009-12-16 05:48:46 +00:00
Daniel Dunbar 5618e98f33 Update tests to use %clang instead of 'clang', and forcibly disable use of '
clang ' or ' clang -cc1 ' or ' clang-cc ' in test lines (by substituting them to
garbage).

llvm-svn: 91460
2009-12-15 22:01:24 +00:00
Daniel Dunbar 8fbe78f6fc Update tests to use %clang_cc1 instead of 'clang-cc' or 'clang -cc1'.
- This is designed to make it obvious that %clang_cc1 is a "test variable"
   which is substituted. It is '%clang_cc1' instead of '%clang -cc1' because it
   can be useful to redefine what gets run as 'clang -cc1' (for example, to set
   a default target).

llvm-svn: 91446
2009-12-15 20:14:24 +00:00
Eli Friedman 2151725325 Fix a small bug in ComputeMethodVtableIndices.
llvm-svn: 91411
2009-12-15 03:31:17 +00:00
Eli Friedman 8d83842761 Really fix this test.
llvm-svn: 91409
2009-12-15 03:22:41 +00:00
Eli Friedman a2761ba52f Fix test broken by my last commit.
llvm-svn: 91396
2009-12-15 02:20:06 +00:00
Douglas Gregor db121bad2a When rebuilding CXXConstructExprs after a transformation, use
CompleteConstructorCall to perform type-checking.

llvm-svn: 91279
2009-12-14 16:27:04 +00:00
Anders Carlsson e66e2942fc Mangle unary, binary and ternary expressions correctly.
llvm-svn: 91257
2009-12-14 01:45:37 +00:00
Eli Friedman b095e15af4 Fix for PR5714: make sure globals that will be modified aren't marked const.
llvm-svn: 91156
2009-12-11 21:23:03 +00:00
Eli Friedman 3ace52b3a7 Fix linkage of type info and vtable for classes without linkage.
llvm-svn: 91152
2009-12-11 20:48:18 +00:00
Eli Friedman 75c9b97123 Make sure mangling doesn't crash in another case. Add some more tests.
llvm-svn: 91149
2009-12-11 20:21:38 +00:00
Eli Friedman 30e94d047e Fix for PR5706: let mangleName deal with mangling names without identifiers
correctly.

llvm-svn: 91136
2009-12-11 18:00:57 +00:00
Anders Carlsson b41a5c9308 XFAIL this for now, fixing linkage bugs causes the order of globals to change. Will fix later today.
llvm-svn: 91130
2009-12-11 17:01:29 +00:00
Anders Carlsson a0b98f083a Use GetAddrOfRTTI when getting the RTTI pointer for a base class.
llvm-svn: 91127
2009-12-11 16:37:06 +00:00
Eli Friedman 68396b16f6 Move the code for converting a member pointer to a bool so that it is usable
for logical not.

llvm-svn: 91112
2009-12-11 09:26:29 +00:00
Eli Friedman 1762cf2ad0 Fix for PR5718: implement equality comparisons for member function pointers.
llvm-svn: 91108
2009-12-11 07:36:43 +00:00
Anders Carlsson fd7dfeb779 Improve linkage of RTTI data structures. Introduce CodeGenModule::GetAddrOfRTTI which figures out the right linkage of the RTTI information for the given type and whether it should be defined or not. I will migrate clients over to GetAddrOfRTTI in subsequent commits (with tests).
llvm-svn: 91098
2009-12-11 02:46:30 +00:00
Eli Friedman ad6c2e5b3a Fix a recent regression from the initialization changes.
llvm-svn: 91097
2009-12-11 02:42:07 +00:00
Anders Carlsson afd1edb52e When an exception needs to be freed by calling __cxa_exception_free, make sure to stash away the exception pointer somewhere.
This fixes an "Instruction does not dominate all uses!" verification error when compiling TableGen.

llvm-svn: 91084
2009-12-11 00:32:37 +00:00
Eli Friedman d70bbfd7d8 Support unary type traits in a scalar context. Not that I've actually seen
this construct, but might as well for completeness.

llvm-svn: 91071
2009-12-10 22:40:32 +00:00
Eli Friedman ee275c82ff Clean up enum constants so that they're finally sane. Fixes PR3173 and a
recently introduced crash.

llvm-svn: 91070
2009-12-10 22:29:29 +00:00
Anders Carlsson 781161dc55 Make sure that explicitly instantiated functions get the right linkage.
llvm-svn: 91069
2009-12-10 22:25:34 +00:00
Eli Friedman d011893e86 Test for r90950.
llvm-svn: 91043
2009-12-10 08:51:23 +00:00
Anders Carlsson a72ddd4609 Handle emitting static variables that have reference type.
llvm-svn: 91027
2009-12-10 01:05:11 +00:00
Mike Stump 25b20fc2ae Add terminate handler for copy constructors for thrown objects. WIP.
llvm-svn: 90994
2009-12-09 23:31:35 +00:00
Douglas Gregor 3e1e527826 Reimplement reference initialization (C++ [dcl.init.ref]) using the
new notion of an "initialization sequence", which encapsulates the
computation of the initialization sequence along with diagnostic
information and the capability to turn the computed sequence into an
expression. At present, I've only switched one CheckReferenceInit
callers over to this new mechanism; more will follow.

Aside from (hopefully) being much more true to the standard, the
diagnostics provided by this reference-initialization code are a bit
better than before. Some examples:

p5-var.cpp:54:12: error: non-const lvalue reference to type 'struct
Derived'
      cannot bind to a value of unrelated type 'struct Base'
  Derived &dr2 = b; // expected-error{{non-const lvalue reference to
  ...
           ^     ~
p5-var.cpp:55:9: error: binding of reference to type 'struct Base' to
a value of
      type 'struct Base const' drops qualifiers
  Base &br3 = bc; // expected-error{{drops qualifiers}}
        ^     ~~

p5-var.cpp:57:15: error: ambiguous conversion from derived class
      'struct Diamond' to base class 'struct Base':
    struct Diamond -> struct Derived -> struct Base
    struct Diamond -> struct Derived2 -> struct Base
  Base &br5 = diamond; // expected-error{{ambiguous conversion from
      ...
              ^~~~~~~
p5-var.cpp:59:9: error: non-const lvalue reference to type 'long'
      cannot bind to
      a value of unrelated type 'int'
  long &lr = i; // expected-error{{non-const lvalue reference to type
      ...
        ^    ~

p5-var.cpp:74:9: error: non-const lvalue reference to type 'struct
Base' cannot
      bind to a temporary of type 'struct Base'
  Base &br1 = Base(); // expected-error{{non-const lvalue reference to
  ...
        ^     ~~~~~~

p5-var.cpp:102:9: error: non-const reference cannot bind to bit-field
'i'
  int & ir1 = (ib.i); // expected-error{{non-const reference cannot
  ...
        ^     ~~~~~~
p5-var.cpp:98:7: note: bit-field is declared here
  int i : 17; // expected-note{{bit-field is declared here}}
      ^

llvm-svn: 90992
2009-12-09 23:02:17 +00:00
Eli Friedman bb5008a32a Fix for PR5707: make sure implicit copy constructors initialize the vtable
pointer.

llvm-svn: 90840
2009-12-08 06:46:18 +00:00
Eli Friedman 7316819fcf Fix for PR5710: make sure to put function template specializations into the
DeclContext, so they don't completely disappear from the AST.

I don't particularly like this fix, but I don't see any obviously better way
to deal with it, and I think it's pretty clearly an improvement; comments
welcome.

llvm-svn: 90835
2009-12-08 05:40:03 +00:00
Eli Friedman 48c6b0d14f Slight tweak to vtable linkage.
llvm-svn: 90832
2009-12-08 04:09:14 +00:00
Eli Friedman f2c79b6b9c Misc key function fixes.
llvm-svn: 90831
2009-12-08 03:56:49 +00:00
Eli Friedman 8aaff69e86 Fix some direct checks of expressions which might be surrounded by parentheses.
llvm-svn: 90825
2009-12-08 02:09:46 +00:00
Eli Friedman cd6a50f3e5 Make copy assignment operator synthesis not explode for classes with complex
or non-record aggregate members.

It might be worth spending some time to optimize this code (and the parallel
code for copy constructors) to memcpy in larger chunks, rather than copying
one member at a time.  Not sure exactly how beneficial that would be, but
it seems like could help for large classes with, for example, a vtable pointer
forcing the generation of a copy constructor.

llvm-svn: 90823
2009-12-08 01:57:53 +00:00
Anders Carlsson 220bf4fc5a No need to add tail padding if the resulting LLVM struct type will have the same size as the final record size.
llvm-svn: 90820
2009-12-08 01:24:23 +00:00
Eli Friedman f6c175b745 Correctly handle conditional operators involving throw.
llvm-svn: 90800
2009-12-07 20:25:53 +00:00
Anders Carlsson 1aaecfa02d Mangle basic_ostream and basic_iostream specializations.
llvm-svn: 90794
2009-12-07 19:56:42 +00:00
Anders Carlsson e1b3e6292a It's OK to try to emit a vtable definition more than once. Fixes PR5697.
llvm-svn: 90751
2009-12-07 07:59:52 +00:00
Eli Friedman d0e8de2cd8 Move RequireCompleteType requirement for fields early into ActOnField so that
subsequent code which depends on a complete type does the right thing.

llvm-svn: 90727
2009-12-07 00:22:08 +00:00
Sam Weinig d060ed4d70 Don't print a void return type for C++ constructors and destructors when generating a predefined expr for them.
llvm-svn: 90725
2009-12-06 23:55:13 +00:00
Eli Friedman 8174f2c23c Work-in-progess rewrite of thunks: move thunk generation outside of vtable
generation, and make sure we generate thunks when the function is defined
rather than when the vtable is defined.

llvm-svn: 90722
2009-12-06 22:01:30 +00:00
Anders Carlsson 3efc6e6f46 Add rudimentary support for member pointers to CGDebugInfo.
llvm-svn: 90711
2009-12-06 18:00:51 +00:00
Eli Friedman eddf1213e2 Fix a slight oversight in computing whether a copy constructor is elidable.
Fixes PR5695.

llvm-svn: 90702
2009-12-06 09:26:33 +00:00
Anders Carlsson 232324c5c0 More linkage improvements.
llvm-svn: 90687
2009-12-06 00:53:22 +00:00
Anders Carlsson 0ab79e22ab If a class does not have a key function, its linkage should be weak_odr.
llvm-svn: 90680
2009-12-05 22:24:38 +00:00
Anders Carlsson 58b271d450 Use createGlobalVariable for creating vtable variables too.
llvm-svn: 90679
2009-12-05 22:19:10 +00:00
Anders Carlsson 21bbc1e705 Factor vtable related GlobalVariable creation out into a separate function. Add vtable linkage test.
llvm-svn: 90667
2009-12-05 17:04:47 +00:00
Eli Friedman 0846d52f70 Tweak "key function" rules so that they work for templates with virtual
inline functions.

llvm-svn: 90645
2009-12-05 04:55:55 +00:00
Anders Carlsson a30e1750cd Don't emit explicit specializations of static member variable declarations.
llvm-svn: 90624
2009-12-04 23:50:01 +00:00
Anders Carlsson cfb65d7432 Be a little more clever about inline member functions that are marked inline in the inline class declaration but not in the actual definition:
class A {
  inline void f();
}

void A::f() { }

This is not the most ideal solution, since it doesn't work 100% with regular functions (as my FIXME comment states).

llvm-svn: 90607
2009-12-04 22:35:50 +00:00
Anders Carlsson 1f78b2bf62 Diagnose declarations of implicit member functions.
llvm-svn: 90605
2009-12-04 22:33:25 +00:00
Anders Carlsson ce460529c0 When generating a virtual destructor, don't try to make a virtual call to the base class destructor because then we'll just re-enter the same destructor!
This was done to fix PR5619, so I went ahead and passed a dummy VTT pointer for now.

llvm-svn: 90578
2009-12-04 19:33:17 +00:00
Anders Carlsson 5c9e7b16a5 Correctly mangle the 'std' namespace inside extern "C++" blocks.
llvm-svn: 90544
2009-12-04 06:23:23 +00:00
Eli Friedman d67751766b Test for non-canonical decl and vtables.
llvm-svn: 90541
2009-12-04 04:30:55 +00:00
Eli Friedman 1d6fb1669c Add recursion guards to ice-checking and evaluation for declrefs, so we
don't infinitely recurse for cases we can't evaluate.

llvm-svn: 90480
2009-12-03 20:31:57 +00:00
Anders Carlsson ce2cd01647 Handle static_assert inside functions.
llvm-svn: 90461
2009-12-03 17:26:31 +00:00
Benjamin Kramer 70e39fe99c Make test 64 bit safe.
llvm-svn: 90452
2009-12-03 13:09:24 +00:00
Eli Friedman c339081c24 Fix for PR5659: correct a rather nasty oversight in the type conversion for
member pointer types.

llvm-svn: 90450
2009-12-03 12:44:31 +00:00
Eli Friedman 4039f35344 Fix thunk generation for thunks with a parameter with reference type.
llvm-svn: 90412
2009-12-03 04:49:52 +00:00
Eli Friedman d4df7753d2 Fix for PR5522 and PR5666: fix a bunch of mangling issues with extern variables
and funcctions declared locally within a function.

llvm-svn: 90344
2009-12-02 20:32:49 +00:00
Eli Friedman 6393aac45e Fix another "operator delete missing" crash: make sure we don't check
isVirtual() before we've actually calculated whether the destructor is
virtual.

llvm-svn: 90303
2009-12-02 07:16:50 +00:00
Eli Friedman df76fe45e6 Tweak test to check for a bit more.
llvm-svn: 90302
2009-12-02 07:04:32 +00:00
Eli Friedman 81bce6b05e Make sure to call AddOverriddenMethods for implicit copy assignment operators;
it's rare, but possible, for the difference to be significant.

llvm-svn: 90301
2009-12-02 06:59:20 +00:00
Fariborz Jahanian 4d9ab43f23 Fix a code gen. crash synthesizing a destructor.
Fixes pr5660.

llvm-svn: 90283
2009-12-01 23:18:25 +00:00
Fariborz Jahanian b0cd26ad21 Test for my last patch.
llvm-svn: 90159
2009-11-30 22:07:56 +00:00
Daniel Dunbar 441e3729a5 Add missing assignment operator to test, and add tests for while loops and for
loops (including temporaries inside the initializers).

llvm-svn: 90151
2009-11-30 20:00:35 +00:00
Daniel Dunbar 7bd1048f26 Add more sophisticated test for destruction order of C++ temporaries, please
feel free to extend!

llvm-svn: 90143
2009-11-30 18:17:34 +00:00
Eli Friedman 78910a508a Add a much more thorough test of casts to virtual bases, and fix
GetCXXBaseClassOffset to actually pass the test.

llvm-svn: 90025
2009-11-28 03:31:34 +00:00
Eli Friedman 2adc9abd51 Some member pointer casting tests.
llvm-svn: 89989
2009-11-27 04:56:40 +00:00
Eli Friedman 250534cf9a Fix for PR5594: use EmitGlobalDefinition instead of EmitCXXDestructor so that
we check whether the vtable needs to be generated.

llvm-svn: 89984
2009-11-27 01:42:12 +00:00
Eli Friedman 84a7e347bf Simplify and fix up the handling of implicit constructors, copy assignment
operators, and destructors.  Avoids generating declarations/definitions of
trivial constructors/destructors, and makes sure the trivial copy assignment
operator is generated when necessary.

llvm-svn: 89943
2009-11-26 07:40:08 +00:00
Eli Friedman d15eb34d4b Implement IRGen for MemberExpr referring to static member function.
llvm-svn: 89938
2009-11-26 06:08:14 +00:00
Eli Friedman f873c2fb68 Slight tweak to the algorithm for getLinkage().
llvm-svn: 89932
2009-11-26 03:04:01 +00:00
Eli Friedman 8a5f75ed5d Use new getLinkage() method to correctly compute whether a variable has
internal linkage.  Fixes PR5433.

llvm-svn: 89931
2009-11-26 02:52:12 +00:00
Anders Carlsson 82ba57c8f0 Add VTT parameter to base ctors/dtors with virtual bases. (They aren't used yet).
llvm-svn: 89835
2009-11-25 03:15:49 +00:00
Douglas Gregor 3d9e90ae3e Implement proper cleanup semantics for condition variables in for
statements, e.g., 

  for(; X x = X(); ) { ... }  

Daniel or Anders, please review!

llvm-svn: 89832
2009-11-25 01:51:31 +00:00
Douglas Gregor e05b765b0d Tweak the code-generation-for-condition-variables test case to get to what we want to test
llvm-svn: 89818
2009-11-25 00:29:29 +00:00
Douglas Gregor 7bab5ff8e7 Eliminate CXXConditionDeclExpr with extreme prejudice.
All statements that involve conditions can now hold on to a separate
condition declaration (a VarDecl), and will use a DeclRefExpr
referring to that VarDecl for the condition expression. ForStmts now
have such a VarDecl (I'd missed those in previous commits).

Also, since this change reworks the Action interface for
if/while/switch/for, use FullExprArg for the full expressions in those
expressions, to ensure that we're emitting

Note that we are (still) not generating the right cleanups for
condition variables in for statements. That will be a follow-on
commit.

llvm-svn: 89817
2009-11-25 00:27:52 +00:00
Douglas Gregor 680f861d74 Clean up the AST for while loops and fix several problems with
cleanups for while loops: 

1) Make sure that we destroy the condition variable of a while statement each time through the loop for, e.g.,

   while (shared_ptr<WorkInt> p = getWorkItem()) {
         // ...
         }

2) Make sure that we always enter a new cleanup scope for the body of the while loop, even when there is no compound expression, e.g.,

   while (blah)
     RAIIObject raii(blah+1);

llvm-svn: 89800
2009-11-24 21:15:44 +00:00
Anders Carlsson 3c9beab48a Handle references correctly when synthesizing copy constructors.
With this change, the clang-on-clang test result is now

Expected Passes    : 224
Unexpected Failures: 37

Which means that we can compile over 80% of clang with clang! :)

llvm-svn: 89799
2009-11-24 21:08:10 +00:00
Fariborz Jahanian 831451b417 Fix the test case failed in buildbot.
llvm-svn: 89791
2009-11-24 19:37:10 +00:00
Anders Carlsson 3a202f601e Handle cases where we're constructing an array of objects and the constructor has default arguments.
llvm-svn: 89783
2009-11-24 18:43:52 +00:00
Fariborz Jahanian 835026e9f1 Refactor collection of call arguments in common code.
Add support for variadic collection functions. More to do
here.

llvm-svn: 89781
2009-11-24 18:29:37 +00:00
Douglas Gregor dcf1962405 Explicitly store the condition variable within switch statements, and
make sure that this variable is destroyed when we exit the switch
statement.

llvm-svn: 89776
2009-11-24 17:07:59 +00:00
Anders Carlsson b9f96a3286 We always need to emit the base expression of a member expression, even when the member decl refers to an enum. Thanks to Eli for pointing this out!
llvm-svn: 89775
2009-11-24 16:57:33 +00:00
Anders Carlsson b7408b95ed Fix a crash when "instantiating" VarDecls that are neither type nor value dependent.
llvm-svn: 89774
2009-11-24 16:52:50 +00:00
Douglas Gregor 965f450d42 Introduce cleanup scopes for "if" statements in two places:
- Outside the "if", to ensure that we destroy the condition variable
    at the end of the "if" statement rather than at the end of the
    block containing the "if" statement.
  - Inside the "then" and "else" branches, so that we emit then- or
    else-local cleanups at the end of the corresponding block when the
    block is not a compound statement.

To make adding these new cleanup scopes easier (and since
switch/do/while will all need the same treatment), added the
CleanupScope RAII object to introduce a new cleanup scope and make
sure it gets cleaned up.

llvm-svn: 89773
2009-11-24 16:43:22 +00:00
Anders Carlsson bd97548f35 When mangling a ctor/dtor we need to take into consideration whether it's a member template.
llvm-svn: 89741
2009-11-24 05:36:32 +00:00
Anders Carlsson 0ade9715f2 Ignore constructor member templates in CodeGenModule::EmitTopLevelDecl.
llvm-svn: 89737
2009-11-24 05:16:24 +00:00
Anders Carlsson 6445773279 It is common for vtables to contain pointers to functions that have either incomplete return types or incomplete argument types.
Handle this by returning the llvm::OpaqueType for those cases, which CodeGenModule::GetOrCreateLLVMFunction knows about, and treats as being an "incomplete function".

llvm-svn: 89736
2009-11-24 05:08:52 +00:00
Anders Carlsson f2e4f72f03 Don't try to treat an enum constant as an lvalue.
llvm-svn: 89705
2009-11-23 21:56:41 +00:00
Anders Carlsson 2e7bc11f11 Convert the && and || operands to bool using standard conversions. Fixes PR5593.
llvm-svn: 89704
2009-11-23 21:47:44 +00:00
Anders Carlsson 7fa434c2b8 Handle converting member pointers to bool.
llvm-svn: 89692
2009-11-23 20:04:44 +00:00
Sebastian Redl 22e2e5c423 Intercept sizeof and alignof references before they get into ASTContext methods. This fixes a crash when writing sizeof(Incomplete&), and lets ASTContext's methods do the right thing for CodeGen, which fixes PR5590.
llvm-svn: 89668
2009-11-23 17:18:46 +00:00
Daniel Dunbar e1cd0152a9 x86_64, PR5582: Layout bases for C++ records.
- Ideally we would have an single iteration interface for this, but this works
   for now.

llvm-svn: 89632
2009-11-22 23:01:23 +00:00
Anders Carlsson 5838108317 Use EmitStoreOfScalar when copying the scalar to the space allocated by 'new'.
llvm-svn: 89613
2009-11-22 19:25:33 +00:00
Anders Carlsson e18e29eeb9 Support emitting aggregate class initializers. Fixes PR5581.
llvm-svn: 89569
2009-11-21 23:56:04 +00:00
Daniel Dunbar 88ad4c5d02 Mangler: Sketch mangling for TemplateArgument::Declaration kind.
- Several important FIXMEs related to whether arguments are expressions or external names, and the mangling of extern "C" names (c.f., PR5522).

llvm-svn: 89556
2009-11-21 09:17:15 +00:00
Mike Stump 4d119e49f9 Add testcases for recent checkins.
llvm-svn: 89469
2009-11-20 18:51:28 +00:00