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385 Commits

Author SHA1 Message Date
Chris Lattner
bc3be65d2e fix PR6805: llvm.objectsize changed to take an i1 instead of an i32. 
llvm-svn: 100938
 2010-04-10 18:34:14 +00:00
Daniel Dunbar
c75c8bd757 IRgen: Move the bit-field access type into CGBitFieldInfo, and change bit-field LValues to just store the base address of object containing the bit-field. 
llvm-svn: 100745
 2010-04-08 02:59:45 +00:00
Daniel Dunbar
196ea449ed IRgen: Move BitFieldIsSigned bit into CGBitFieldInfo. 
llvm-svn: 100513
 2010-04-06 01:07:44 +00:00
Daniel Dunbar
60d81e8611 Simplify. 
llvm-svn: 100511
 2010-04-06 01:07:39 +00:00
Daniel Dunbar
dc406b8e92 IRgen: Move BitField LValues to just hold a reference to the CGBitFieldInfo. 
- Unfortunately, this requires some horrible code in CGObjCMac which always
   allocats a CGBitFieldInfo because we don't currently build a proper layout
   for Objective-C classes. It needs to be cleaned up, but I don't want the
   bit-field cleanups to be blocked on that.

llvm-svn: 100474
 2010-04-05 21:36:35 +00:00
Daniel Dunbar
cd3d5e76ce IRgen: Lift BitFieldInfo to CGBitFieldInfo at namespace level. 
llvm-svn: 100433
 2010-04-05 16:20:44 +00:00
Daniel Dunbar
034299ef25 IRGen: Move the auxiliary data structures tracking AST -> LLVM mappings out of CodeGenTypes, to per-record CGRecordLayout structures. 
- I did a cursory check that this was perf neutral, FWIW.

llvm-svn: 99978
 2010-03-31 01:09:11 +00:00
John McCall
d9c7c6568e Introduce a new kind of derived-to-base cast which bypasses the need for 
null checks, and make sure we elide null checks when accessing base class
members.

llvm-svn: 99963
 2010-03-30 23:58:03 +00:00
Daniel Dunbar
f4ffa0dabf Minor formatting/FIXME cleanups. 
llvm-svn: 99944
 2010-03-30 22:26:07 +00:00
Rafael Espindola
2e42fec3a0 Fix PR6473. 
Clang's support for weakref is now better than llvm-gcc's :-)

We don't introduce a new symbol and we correctly mark undefined references weak only if there is no
definition or regular undefined references in the same file.

llvm-svn: 97733
 2010-03-04 18:17:24 +00:00
Daniel Dunbar
d004918ccb IRgen: Add CreateIRTemp, which creates a temporary alloca but with type converted "not-for-memory". Dunno a better name. 
llvm-svn: 96374
 2010-02-16 19:44:13 +00:00
Daniel Dunbar
27bacafb71 IRgen: Switch EmitCompoundLiteralLValue to use CreateMemTemp. 
llvm-svn: 96373
 2010-02-16 19:43:39 +00:00
John McCall
7538eec67b When emitting an aggregate into a temporary, make sure we set the alignment 
on the alloca.

The fact that codegen makes this class of bug so wonderfully easy to make is
embarrassing.

llvm-svn: 96204
 2010-02-15 01:23:36 +00:00
Anders Carlsson
5bd8d19291 More vtable layout dumper improvements. Handle destructors, dump the complete function type of the member functions (using PredefinedExpr::ComputeName. 
llvm-svn: 95887
 2010-02-11 18:20:28 +00:00
Daniel Dunbar
a7566f163a IRgen: Add CreateMemTemp, for creating an temporary memory object for a particular type, and flood fill. - CreateMemTemp sets the alignment on the alloca correctly, which fixes a great many places in IRgen where we were doing the wrong thing. 
- This fixes many many more places than the test case, but my feeling is we need to audit alignment systematically so I'm not inclined to try hard to test the individual fixes in this patch. If this bothers you, patches welcome!

PR6240.

llvm-svn: 95648
 2010-02-09 02:48:28 +00:00
Daniel Dunbar
3d33fab7fc Reapply r95393, without the change to CGExpr. I was wrong in assuming that the 
element type always matched the converted LLVM type for ExprType.

llvm-svn: 95596
 2010-02-08 22:53:07 +00:00
John McCall
ab26cfa58d Standardize the parsing of function type attributes in a way that 
follows (as conservatively as possible) gcc's current behavior:  attributes
written on return types that don't apply there are applied to the function
instead, etc.  Only parse CC attributes as type attributes, not as decl attributes;
don't accepet noreturn as a decl attribute on ValueDecls, either (it still
needs to apply to other decls, like blocks).  Consistently consume CC/noreturn
information throughout codegen;  enforce this by removing their default values
in CodeGenTypes::getFunctionInfo().

llvm-svn: 95436
 2010-02-05 21:31:56 +00:00
Douglas Gregor
a643780483 Revert r95393, which broke Clang's self-host. 
llvm-svn: 95430
 2010-02-05 21:10:36 +00:00
Daniel Dunbar
9c4e4651d5 IRgen: A few more ConvertType cleanups. 
llvm-svn: 95423
 2010-02-05 20:02:42 +00:00
Daniel Dunbar
d0bc7b9d13 IRgen: Factor out EmitAggExprToLValue. 
llvm-svn: 95416
 2010-02-05 19:38:31 +00:00
Daniel Dunbar
8848175547 IRgen: Fix some CreateTempAlloca calls to use ConvertTypeForMem when that is 
conceptually correct. Review appreciated (Chris, Eli, Anders).

llvm-svn: 95401
 2010-02-05 18:56:49 +00:00
Charles Davis
5a5473f0f8 Now that we store calling conventions in the types, use them instead of 
getting the calling convention from the target function, which may or may not
exist. Fixes PR5280.

llvm-svn: 95399
 2010-02-05 18:13:10 +00:00
Daniel Dunbar
363589bded IRgen: Use hasAggregateLLVMType instead of isSingleValueType() for cases that 
need to deal with aggregates specially; this is consistent with the rest of IRgen.

Also, simplify EmitParmDecl and don't worry about using Decl::getNameAsString.

llvm-svn: 95393
 2010-02-05 17:51:33 +00:00
Anders Carlsson
824e0613de When binding an lvalue to a reference, we always need to pop temporaries. 
With this fix, and the other fixes committed today a make check-all with a clang-built LLVM now gives:

Expected Passes    : 6933
Expected Failures  : 46
Unsupported Tests  : 40
Unexpected Failures: 27

which means that we pass 99.96% of all tests :) The resulting 27 tests are all LLVMC tests and seem to be because of differences in the clang and gcc drivers.

llvm-svn: 95313
 2010-02-04 17:32:58 +00:00
Anders Carlsson
9b942c65a5 Fix a bug where we would not mark temporaries as conditional when emitting a conditional operator as an lvalue. 
llvm-svn: 95311
 2010-02-04 17:26:01 +00:00
Anders Carlsson
3b227bd629 Revert the new reference binding code; I came up with a way simpler solution for the reference binding bug that is preventing self-hosting. 
llvm-svn: 95223
 2010-02-03 16:38:03 +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
ab0ddb57b1 Start creating CXXBindReferenceExpr nodes when binding complex types to references. 
llvm-svn: 94964
 2010-01-31 18:34:51 +00:00
Anders Carlsson
db78f0ad04 Add a new EmitLValueForFieldInitialization that will be used for initializing fields (and reference type fields in particular). 
llvm-svn: 94799
 2010-01-29 05:24:29 +00:00
Anders Carlsson
5d8645b150 Simplify EmitLValueForField - we can get whether the field is part of a union or not from the FieldDecl (through its DeclContext). 
llvm-svn: 94798
 2010-01-29 05:05:36 +00:00
Anders Carlsson
ba6c437d52 Add an CXXBindReferenceExpr (not used just yet). 
llvm-svn: 94791
 2010-01-29 02:39:32 +00:00
Ken Dyck
e5402e4749 Use CharUnits for alignment in EmitNullInitializationLValue(). 
llvm-svn: 94563
 2010-01-26 18:35:11 +00:00
Ken Dyck
40775003e6 Roll out ASTContext::getTypeSizeInChars(), replacing instances of 
"ASTContext::getTypeSize() / 8". Replace [u]int64_t variables with CharUnits
ones as appropriate. 

Also rename RawType, fromRaw(), and getRaw() in CharUnits to QuantityType, 
fromQuantity(), and getQuantity() for clarity.

llvm-svn: 93153
 2010-01-11 17:06:35 +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
Chris Lattner
116ce8f172 refactor pre/postinc logic into CGF and require the caller to pass in the 
lvalue to poke, no functionality change.

llvm-svn: 93075
 2010-01-09 21:40:03 +00:00
Daniel Dunbar
5b9019515a Fix -Asserts warning. 
llvm-svn: 92491
 2010-01-04 18:02:28 +00:00
Eli Friedman
b8841af8bd Minor optimization; emit proper unsupported messages for a couple of cases. 
llvm-svn: 92153
 2009-12-25 06:17:05 +00:00
Eli Friedman
2e06e8bbcc Some small improvements to dead code elimination; helps a bit on 
LLVM-Code-Symbols test.

llvm-svn: 92152
 2009-12-25 05:29:40 +00:00
Anders Carlsson
bfb3671b25 Pass the return value slot to all call exprs. 
llvm-svn: 92145
 2009-12-24 21:13:40 +00:00
Anders Carlsson
1749083e2e Fill in the return value slot in CGExprAgg::VisitCallExpr. This takes us halfway towards fixing PR5824. 
llvm-svn: 92142
 2009-12-24 20:40:36 +00:00
Anders Carlsson
61a401caec Pass ReturnValueSlot to EmitCall. No functionality change yet. 
llvm-svn: 92138
 2009-12-24 19:25:24 +00:00
Anders Carlsson
0435ed5875 Add a ReturnValueSlot class. Change the argument order in EmitCall to match the other overload better. 
llvm-svn: 92136
 2009-12-24 19:08:58 +00:00
Chris Lattner
f0a9ba37d4 simplify my previous patch. 
llvm-svn: 92057
 2009-12-23 21:33:41 +00:00
Chris Lattner
4e1a323b85 fix opencl extvector element extraction on rvalues. We previously 
error_unsupported on test10 and crashed on test11.

llvm-svn: 92056
 2009-12-23 21:31:11 +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
Mike Stump
3f6f9febad Implement additional undefined checks for additional loads and stores. WIP. 
llvm-svn: 91498
 2009-12-16 02:57:00 +00:00
Fariborz Jahanian
2b9fc83db5 Fixes a code gen bug related to accessing a now 
non-existing 'isa' field of a non-existing struct type
all related to legacy type definition for 'id' which we have
dropped in clang in favor of a built-in type.
(fixes radar 7470820).

llvm-svn: 91455
 2009-12-15 21:34:52 +00:00
Anders Carlsson
6e997b2993 ShouldDestroyTemporaries? I don't think so. 
llvm-svn: 91450
 2009-12-15 20:51:39 +00:00
Mike Stump
cf16d2cc42 Fix spacing. 
llvm-svn: 91386
 2009-12-15 01:22:35 +00:00
Mike Stump
9a4e0128a8 Ensure we preserve line information for each trap for 
-fcatch-undefined-behavior if we aren't optimizing.  WIP.

llvm-svn: 91382
 2009-12-15 00:59:40 +00:00
Mike Stump
e8c3b3eca4 Switch codegen for -fcatch-undefined-bahavior over to __builtin_trap 
instead of abort to improve codesize and codegen.

llvm-svn: 91374
 2009-12-15 00:35:12 +00:00
Mike Stump
590d18f103 We have to allow one to form an address for one past the end. WIP. 
llvm-svn: 91347
 2009-12-14 22:14:31 +00:00
Mike Stump
f8858af909 Simplifiy. 
llvm-svn: 91324
 2009-12-14 20:52:00 +00:00
Mike Stump
d954638f02 Implement runtime checks for undefined behavior. WIP. 
This implements a new flag -fcatch-undefined-behavior.  The flag turns
on additional runtime checks for:

  T a[I];

  a[i]    abort when i < 0 or i >= I.

Future stuff includes shifts by >= bitwidth amounts.

llvm-svn: 91198
 2009-12-12 01:27:46 +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
Anders Carlsson
0c6a7d8f42 When extending the lifetime of a temporary, make sure to emit a branch to the cleanup exit block. This fixes a broken module error in LLVMCConfigurationEmitter.cpp. 
llvm-svn: 91086
 2009-12-11 01:00:09 +00:00
Fariborz Jahanian
531c16f9fb Code gen for ObjCIsaExpr AST used as lvalue. 
(fixes radar 7457534).

llvm-svn: 90995
 2009-12-09 23:35:29 +00:00
Mike Stump
aff69af918 Add cleanups for exceptional edges. WIP. 
llvm-svn: 90940
 2009-12-09 03:35:49 +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
5445f6e5b6 Make the comma operator consistently call EnsureInsertPoint. 
llvm-svn: 90799
 2009-12-07 20:18:11 +00:00
Chris Lattner
72ecc68e11 use new helpers to simplify code. 
llvm-svn: 90709
 2009-12-06 17:22:42 +00:00
Eli Friedman
b2b120f664 Make EmitStoreOfScalar generate a more sane representation of boolean stores. 
"Fixes" PR5645.

llvm-svn: 90272
 2009-12-01 22:31:51 +00:00
Daniel Dunbar
c76493a65d Don't pass false (default) for isVolatile parameter to CreateLoad. 
llvm-svn: 90098
 2009-11-29 21:23:36 +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
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
48a409eb39 Rename CleanupScope -> DelayedCleanupBlock. No functionality change. 
llvm-svn: 89769
 2009-11-24 16:21:10 +00:00
Anders Carlsson
8c793172c2 Handle base-to-derived casts. Will land test case shortly. 
llvm-svn: 89678
 2009-11-23 17:57:54 +00:00
Eli Friedman
928a567af1 Clean up EmitPointerToDataMemberBinaryExpr a bit. 
llvm-svn: 89197
 2009-11-18 05:01:17 +00:00
Anders Carlsson
cfd3012756 More const is always good. 
llvm-svn: 89033
 2009-11-17 03:57:07 +00:00
Mike Stump
65511704f7 Implement most of dynamic_cast. WIP. 
llvm-svn: 88901
 2009-11-16 06:50:58 +00:00
Eli Friedman
8c98dffd1f Some minor cleanup for EmitCastLValue. 
llvm-svn: 88894
 2009-11-16 05:48:01 +00:00
Mike Stump
c9b231c8d1 Implement typeid for class types. 
llvm-svn: 88843
 2009-11-15 08:09:41 +00:00
Anders Carlsson
50cb321fdc Handle CK_BitCast in EmitCastLValue. 
llvm-svn: 88810
 2009-11-14 21:21:42 +00:00
Anders Carlsson
52ce3bbf57 Handle CXXDefaultArgExprs in EmitLValue. Fixes PR5484. 
llvm-svn: 88735
 2009-11-14 01:51:50 +00:00
Eli Friedman
a72bf0fae8 Explicitly note that pre-inc/dec lvalues are not supported yet, so that it 
doesn't crash.  (Such expressions are valid in C++, but not in C.)

llvm-svn: 86513
 2009-11-09 04:20:47 +00:00
Daniel Dunbar
7e215ea165 Add clarifying parens. 
llvm-svn: 86457
 2009-11-08 09:46:46 +00:00
Anders Carlsson
5bbdc9f857 Handle member expressions where the member declaration is actually a static variable. Fixes PR5392. 
llvm-svn: 86414
 2009-11-07 23:16:50 +00:00
Anders Carlsson
ea4c30b39a More LValue related code cleanup. 
llvm-svn: 86413
 2009-11-07 23:06:58 +00:00
Anders Carlsson
2ff6395ddc More cleanup, the code is much easier to follow now. 
llvm-svn: 86412
 2009-11-07 22:53:10 +00:00
Anders Carlsson
6eee97276b Reduce nesting, no functionality change. 
llvm-svn: 86411
 2009-11-07 22:46:42 +00:00
Anders Carlsson
03f83e58f7 We only need to call SetObjCNonGC for local variables. No functionality change. 
llvm-svn: 86410
 2009-11-07 22:43:34 +00:00
Anders Carlsson
509850ebec Change EmitPointerToDataMemberLValue to take a FieldDecl. No intended functionality change. 
llvm-svn: 86407
 2009-11-07 22:00:15 +00:00
Chris Lattner
ab5e0af8bc random tidying 
llvm-svn: 85408
 2009-10-28 17:39:19 +00:00
Chris Lattner
5e71d43155 adjust for a pending LLVM change. 
llvm-svn: 85373
 2009-10-28 05:12:07 +00:00
Fariborz Jahanian
038374f887 Add Code gen support for '->*' operator which fell 
through the crack.

llvm-svn: 85160
 2009-10-26 21:58:25 +00:00
Douglas Gregor
4bd90e53c2 Eliminate QualifiedDeclRefExpr, which captured the notion of a 
qualified reference to a declaration that is not a non-static data
member or non-static member function, e.g., 

  namespace N { int i; }
  int j = N::i;

Instead, extend DeclRefExpr to optionally store the qualifier. Most
clients won't see or care about the difference (since
QualifierDeclRefExpr inherited DeclRefExpr). However, this reduces the
number of top-level expression types that clients need to cope with,
brings the implementation of DeclRefExpr into line with MemberExpr,
and simplifies and unifies our handling of declaration references.

Extended DeclRefExpr to (optionally) store explicitly-specified
template arguments. This occurs when naming a declaration via a
template-id (which will be stored in a TemplateIdRefExpr) that,
following template argument deduction and (possibly) overload
resolution, is replaced with a DeclRefExpr that refers to a template
specialization but maintains the template arguments as written.

llvm-svn: 84962
 2009-10-23 18:54:35 +00:00
John McCall
6fd4c23324 Emit calls using the canonical prototype of the called function. 
llvm-svn: 84947
 2009-10-23 08:22:42 +00:00
Fariborz Jahanian
ffba662dd2 Complete code gen for '.*' binary expression for 
both scalar and aggregates.

llvm-svn: 84910
 2009-10-22 22:57:31 +00:00
Fariborz Jahanian
b25817ac1f Expand on code gen. for pointer to data members so it works 
for base classe members as well. Test case enhanced for this.

llvm-svn: 84780
 2009-10-21 21:01:47 +00:00
Fariborz Jahanian
4ebdff5e1c Code gen for pointer-to-datamember - WIP. 
llvm-svn: 84771
 2009-10-21 18:38:00 +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
Anders Carlsson
0999aafda5 Handle emitting the assignment operator when the lhs is a reference. Fixes PR5227. 
llvm-svn: 84518
 2009-10-19 18:28:22 +00:00
Daniel Dunbar
b5aacc282c Twinify CodeGenFunction::CreateTempAlloca 
llvm-svn: 84456
 2009-10-19 01:21:05 +00:00
Anders Carlsson
69c2c4becc When binding a reference to a temporary, it's important that other temporaries created as on the RHS are destroyed before emitting the dtor for the temporary. 
llvm-svn: 84451
 2009-10-18 23:09:21 +00:00
Anders Carlsson
66413c29d3 Handle 
struct A { };
struct B : A { };

void f() {
  const A& a = B();
}

correctly. (This now does the offset conversion if necessary and calls the destructor when a goes out of scope).

llvm-svn: 84162
 2009-10-15 00:51:46 +00:00
Benjamin Kramer
abd5b90e4c Simplify pointer creation with the new Type::getInt*Ptr methods. 
llvm-svn: 83964
 2009-10-13 10:07:13 +00:00
Devang Patel
dac79decf3 There is no need to attach debug location info with alloca instruction. 
llvm-svn: 83913
 2009-10-12 22:29:02 +00:00
Devang Patel
5d90d62701 Add support to attach debug info to an instruction. 
This is not yet enabled.

llvm-svn: 83399
 2009-10-06 18:36:08 +00:00
Fariborz Jahanian
e01e434aef <rdar://problem/7263113> Make clang produce gcc's objc_assign_StrongCast as a result of type-cast of an ivar in assignment. 
llvm-svn: 83150
 2009-09-30 17:10:29 +00:00
Fariborz Jahanian
1f9ed58277 Fixed another code gen bug in objc's new write-barrier API. 
llvm-svn: 82735
 2009-09-25 00:00:20 +00:00