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2010-04-24RenameGetAddressOfBaseOfCompleteClass to ↵Anders Carlsson
GetAddressOfDirectBaseInCompleteClass to reflect that it only handles direct bases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102284 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24More cleanup.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102282 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24Simplify EmitClassMemberwiseCopy now that it's only used for fields.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102281 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24DefineImplicitCopyConstructor now uses SetBaseOrMemberInitializers to create ↵Anders Carlsson
implicit base initializers. (Member initializers are still handled by CodeGenFunction::SynthesizeCXXCopyConstructor for now). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102279 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24Rename GetAddressOfBaseClass to OldGetAddressOfBaseClass.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102275 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24Get rid of the old GetNonVirtualBaseClassOffset and change all call sites to ↵Anders Carlsson
use the new version. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102274 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24Change CodeGenFunction::GetAddressOfDerivedClass to take a BasePath.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102273 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24Convert more call sites over to the new GetAddressOfBaseClass.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102272 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24Add a new GetAddressOfBaseClass overload that takes a base path and. Use it ↵Anders Carlsson
for derived-to-base casts. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102270 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24Fix pasto, add a comment.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102263 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24Factor code. No functionality change.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102262 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24NeXT: Clean up dispatch method policy selection.Daniel Dunbar
- Replace -cc1 level -fobjc-legacy-dispatch with -fobjc-dispatch-method={legacy,non-legacy,mixed}. - Lift "mixed" vs "non-mixed" policy choice up to driver level, instead of being buried in CGObjCMac.cpp. - No intended functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102255 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24CastExpr should not hold a pointer to the base path. More cleanup.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102249 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24Fix a place in inline asm lowering which was creating a TruncInst with aDan Gohman
pointer operand. This fixes an abort on MultiSource/Applications/ClamAV/libclamav_mbox.c. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102238 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24Revert accidental check-in.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102226 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24Revert r102215. This causes clang crash while compiling a test case from gdb ↵Devang Patel
testsuite. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102224 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-23Improve the AST representation of Objective-C @try/@catch/@finallyDouglas Gregor
statements. Instead of the @try having a single @catch, where all of the @catch's were chained (using an O(n^2) algorithm nonetheless), @try just holds an array of its @catch blocks. The resulting AST is slightly more compact (not important) and better represents the actual language semantics (good). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102221 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-23More -fno-constant-cfstrings API work.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102219 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-23Add an InheritancePath parameter to the ImplicitCastExpr constructor.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102218 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-23NeXT/EH: When generating the rethrow code for a finally block, make sure toDaniel Dunbar
chain outwards when inside a nested exception scope. - A real test for this is going into LLVM test-suite. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102204 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-23NeXT/EH: Tidy up EH code a bit, don't emit the catch block EH handler if it ↵Daniel Dunbar
is unreachable. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102203 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-23More work toward implementingFariborz Jahanian
NeXt's -fno-constant-cfstrings - wip. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102189 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-23Implement PR6845. We allow matching constraints to have differentChris Lattner
input and output types when the smaller value isn't mentioned in the asm string. Extend this support from integers to also allowing fp values to be mismatched (if not mentioned in the asm string). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102188 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-23Handle compound assignment expressions (i += j) as lvalues, which isDouglas Gregor
permitted in C++ but not in C. Fixes PR6900. Clang can now handle all of Boost.Lambda's regression tests. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102170 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-23Emit a lame diagnostic when we can't mangle operator namesDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102168 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-23Mangle dependent template names such as the nested-name-specifier inDouglas Gregor
T::apply <U>::type Fixes PR6899, although I want to dig a little deeper into the FIXME for dependent template names that refer to operators. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102167 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-23I hate default statements. Fixes PR6874.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102160 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-22Support for -fno-constant-cfstrings option - wip.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102112 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-22IRgen: Fix another case where we generated an invalid access component when weDaniel Dunbar
immediately narrowed the access size. Fix this (and previous case) by just choosing a better access size up-front. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102068 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-22IRgen: Fix case where we might generate an access component with width == 0, ifDaniel Dunbar
we have to narrow the access side immediately (can happen with packed, -fno-bitfield-type-align). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102067 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-22Suppress compiler warning.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102047 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-22IRgen: Set alignment correctly on bit-field accesses.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102046 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-22IRgen: Rewrite bit-field access policy to not access data beyond the bounds ↵Daniel Dunbar
of the structure, which we also now verify as part of the post-layout consistency checks. - This fixes some pedantic bugs with packed structures, as well as major problems with -fno-bitfield-type-align. - Fixes PR5591, PR5567, and all known -fno-bitfield-type-align issues. - Review appreciated. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102045 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-22IRgen: Fix CGRecordLayout::print to print the bit-field infos in a ↵Daniel Dunbar
consistent order. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102044 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-22Call PerformCopyInitialization to properly initialize the exception temporaryJohn McCall
in a throw expression. Use EmitAnyExprToMem to emit the throw expression, which magically elides the final copy-constructor call (which raises a new strict-compliance bug, but baby steps). Give __cxa_throw a destructor pointer if the exception type has a non-trivial destructor. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102039 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-21Encode field accessibility.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102033 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-21ABI/x86-32 & x86-64: Alignment on 'byval' must be set when when the alignmentDaniel Dunbar
exceeds the minimum ABI alignment. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102019 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-21IRgen/x86-32: Factor out getIndirectResult(), to match x86-64 factoring.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102015 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-21IRgen: Add checking that the LLVM and AST record layout offsets agree (forDaniel Dunbar
non-bit-fields). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102014 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-21Comment out an assert for now.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102007 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-21I failed to notice that my last patch wasn't doing as much as it couldJohn McCall
because EmitBranch actually clears the insert point. This version actually accomplishes what I initially wanted. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101998 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-21Teach EmitBlock to put the target block immediately after the current blockJohn McCall
(if there's a current block). The chief advantage of doing this is that it lets us pick blocks (e.g. EH blocks) to push to the end of the function so that fallthrough happens consistently --- i.e. it gives us the flexibility of ordering blocks as we please without having to change the order in which we generate code. There are standard (?) optimization passes which can do some of that for us, but better to generate reasonable code to begin with. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101997 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-21Miscellaneous codegen cleanups. Mostly, don't create new basic blocksJohn McCall
just to save the current insertion state! This change significantly simplifies the IR CFG in exceptions code. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101996 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-21Overhaul the AST representation of Objective-C message sendDouglas Gregor
expressions, to improve source-location information, clarify the actual receiver of the message, and pave the way for proper C++ support. The ObjCMessageExpr node represents four different kinds of message sends in a single AST node: 1) Send to a object instance described by an expression (e.g., [x method:5]) 2) Send to a class described by the class name (e.g., [NSString method:5]) 3) Send to a superclass class (e.g, [super method:5] in class method) 4) Send to a superclass instance (e.g., [super method:5] in instance method) Previously these four cases where tangled together. Now, they have more distinct representations. Specific changes: 1) Unchanged; the object instance is represented by an Expr*. 2) Previously stored the ObjCInterfaceDecl* referring to the class receiving the message. Now stores a TypeSourceInfo* so that we know how the class was spelled. This both maintains typedef information and opens the door for more complicated C++ types (e.g., dependent types). There was an alternative, unused representation of these sends by naming the class via an IdentifierInfo *. In practice, we either had an ObjCInterfaceDecl *, from which we would get the IdentifierInfo *, or we fell into the case below... 3) Previously represented by a class message whose IdentifierInfo * referred to "super". Sema and CodeGen would use isStr("super") to determine if they had a send to super. Now represented as a "class super" send, where we have both the location of the "super" keyword and the ObjCInterfaceDecl* of the superclass we're targetting (statically). 4) Previously represented by an instance message whose receiver is a an ObjCSuperExpr, which Sema and CodeGen would check for via isa<ObjCSuperExpr>(). Now represented as an "instance super" send, where we have both the location of the "super" keyword and the ObjCInterfaceDecl* of the superclass we're targetting (statically). Note that ObjCSuperExpr only has one remaining use in the AST, which is for "super.prop" references. The new representation of ObjCMessageExpr is 2 pointers smaller than the old one, since it combines more storage. It also eliminates a leak when we loaded message-send expressions from a precompiled header. The representation also feels much cleaner to me; comments welcome! This patch attempts to maintain the same semantics we previously had with Objective-C message sends. In several places, there are massive changes that boil down to simply replacing a nested-if structure such as: if (message has a receiver expression) { // instance message if (isa<ObjCSuperExpr>(...)) { // send to super } else { // send to an object } } else { // class message if (name->isStr("super")) { // class send to super } else { // send to class } } with a switch switch (E->getReceiverKind()) { case ObjCMessageExpr::SuperInstance: ... case ObjCMessageExpr::Instance: ... case ObjCMessageExpr::SuperClass: ... case ObjCMessageExpr::Class:... } There are quite a few places (particularly in the checkers) where send-to-super is effectively ignored. I've placed FIXMEs in most of them, and attempted to address send-to-super in a reasonable way. This could use some review. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101972 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-20Fixes a code gen. bug by removing an assert.Fariborz Jahanian
It is ok to have c++-ness inside extern "C" block. Fixes pr6644. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101948 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-20Back out r101911 and see if it makes the bots happy.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101921 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-20IRgen: Always use i8 arrays to access union bit-fields. This is ugly, butDaniel Dunbar
matches how we currently handle structs, and this correctly handles -fno-bitfield-type-align. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101918 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-20Fix a bug which triggered the assertion I added yesterday. Basically, when ↵Anders Carlsson
we initialize the vtable pointer for a virtual base, and there was another path from the most derived class to another base with the same class type, we would use the wrong base. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101911 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-20Move code to apply a non-virtual and virtual offset out into a separate ↵Anders Carlsson
function. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101909 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-20don't slap noalias attribute on stret result arguments.Chris Lattner
This mirror's Dan's patch for llvm-gcc in r97989, and fixes the miscompilation in PR6525. There is some contention over whether this is the right thing to do, but it is the conservative answer and demonstrably fixes a miscompilation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101877 91177308-0d34-0410-b5e6-96231b3b80d8
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