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2011-03-30Convert the offset parameter ofKen Dyck
VCallAndVBaseOffsetBuilder::AddVCallOffsets() to CharUnits. No change in functionality intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128531 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-30Convert local offset variable to CharUnits in AddVCallOffsets. No change inKen Dyck
functionality intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128522 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-30Convert a local offset variable to CharUnits. No change in functionalityKen Dyck
intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128521 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-30Convert the OffsetInLayoutClass parameter of DeterminePrimaryVirtualBases()Ken Dyck
to CharUnits. No change in functionality intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128520 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-30Convert the OffsetInLayoutClass parameter of LayoutSecondaryVTables toKen Dyck
CharUnits. No change in functionality intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128516 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-30Fix in r128471 is very broad. Some of the unconditional branches need line ↵Devang Patel
number information for better user experience. Restrict the fix. This fixes break.exp failures from gdb testsuite. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128513 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-29Do not line number entry for unconditional branches. Usually, users do not ↵Devang Patel
want to stop at closing '}'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128471 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-28Implements property of reference types. AddingFariborz Jahanian
an executable test to llvm test suite. // rdar://9070460. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128435 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-28Integrated-As: Support -Wa,-L when using the integrated assembler.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128433 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-28refactoringAnton Yartsev
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128427 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-27Convert offset parameter in LayoutPrimaryAndSecondaryVTables() to CharUnits.Ken Dyck
No change in functionality intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128393 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-27Convert VTableBuilder::MostDerivedClassOffset to CharUnits. No change inKen Dyck
functionality intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128392 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-27Convert FinalOverriders::MostDerivedClassOffset to CharUnits. No change inKen Dyck
functionality intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128391 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-27Remove a fixed FIXME comment (the base offset has already been converted toKen Dyck
CharUnits). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128386 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-27Convert the offset parameters of AddMethods() to CharUnits. No change inKen Dyck
functionality intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128385 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-27Convert the BaseOffsetInLayoutClass parameter of ComputeThisAdjustment() toKen Dyck
CharUnits. No change in functionality intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128384 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-27Convert offset members in MethodInfo to CharUnits. No change inKen Dyck
functionality intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128383 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-27AltiVec vector comparison logic now affect only vectors of fundamental ↵Anton Yartsev
AltiVec vector types. It fixes bug 9347. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128381 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-27supported: AltiVec vector initialization with a single literal according to ↵Anton Yartsev
PIM section 2.5.1 - after initialization all elements have the value specified by the literal git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128375 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-27We were emitting construction v-tables with internal linkage all the time.John McCall
Emit them instead with the linkage of the VTT. I'm actually really ambivalent about this; it's what GCC does, but outside of improving code size (if the linkage is coalescing), I'm not sure it's at all relevant. Construction vtables are naturally referenced only by the VTT, which is itself only referenced by complete-object constructors and destructors; giving the construction vtables possibly-external linkage is important if you have an optimization that drills through the VTT to a reference to a particular construction vtable which it cannot just emit itself. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128374 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-26On Mac OS X, the presence of an 'availability' attribute for thatDouglas Gregor
platform implies default visibility. To achieve these, refactor our lookup of explicit visibility so that we search for both an explicit VisibilityAttr and an appropriate AvailabilityAttr, favoring the VisibilityAttr if it is present. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128336 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-26Reformatted doc comments so that they are now difficult to edit in any ↵David Chisnall
editor that doesn't have explicit doxygen support, as per LLVM style guidelines. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128335 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-26Convert the OffsetInLayoutClass parameter ofKen Dyck
FinalOverriders::ComputeBaseOffsets() to CharUnits. No change in functionality intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128323 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-26Convert FinalOverriders::Offset to CharUnits. No change in functionalityKen Dyck
intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128321 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-26Convert offset in MethodBaseOffsetPairTy to CharUnits. No change inKen Dyck
functionality intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128318 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-26Convert the offsets in SubobjectOffsetMapTy to CharUnits. No change inKen Dyck
functionality intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128317 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-26Convert several local variables to CharUnits. No change in functionalityKen Dyck
intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128315 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-25Provide blockDecl's startLoc to startFunction. This fixes hidden bug exposed ↵Devang Patel
by recent code gen changes. This is tested by global-blocks-lines.exp in gdb testsuite. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128303 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-25Obj-C/NeXT: Update and reapply 108847, now that changes are more baked.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128300 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-25Refactor CGObjCMac to use the shared code for EH stuff.David Chisnall
Sanity checked by John McCall. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128287 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-25Unbreak CMake build.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128276 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-25Added some doc comments.David Chisnall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128275 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-25Continuing work on ObjC tidyup:David Chisnall
- Moved the CGObjCRuntime functions out of CGObjCMac.cpp into CGObjCRuntime.cpp - Added generic functions in CGObjCRuntime for emitting @try and @synchronize blocks, usable by any runtime that uses DWARF exceptions. - Made the GNU runtimes use these functions. It should now be possible to replace the equivalent functions in CGObjCNonFragileABIMac with simple calls to these two functions, providing the runtime functions as arguments. I'll post a diff to the list for review before making any changes to the Mac runtime stuff. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128274 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-24Make sure we aggressively attach nounwind (etc.) to calls to libraryEli Friedman
functions of the form __builtin_XXX. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128198 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-24Convert the BaseOffset member of BaseSubobject to CharUnits from bits. NoKen Dyck
change in functionality intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128190 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-23Fixed type error in last commit (forgot that now that selectors are notDavid Chisnall
accessed via the indirect pointer, they don't need to be pointers to pointers). Finished moving the message lookup code into separate subclasses for each runtime. Also performed a few smallish related tidies. We're now bitcasting the result of the message lookup functions, rather than casting the lookup functions themselves, so the messages.m test needed updating to reflect this. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128180 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-23Revert r128156 because of CodeGenObjC/messages.m and Coverage/codegen-gnu.m.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128157 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-23Remove the redundant loads / stores to globals that we were generating for ↵David Chisnall
selectors (GNU runtimes). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128156 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-23Initial work on refactoring GNU runtime code (long overdue - it's quite obviousDavid Chisnall
that I hadn't used C++ for several years before writing most of this code). Still lots more to do. This set of changes includes: - Remove the distinction between typed and untyped selectors. More accurately reflect what the runtime does, by using typed selectors everywhere, with an empty type field if the types are unknown. Now we just store a small list of types for each selector (in theory, this should always be exactly one, but this constraint was not enforced back in 1986 when it should have been). - Add some consistency to how runtime functions are created. These are all generated via the LazyRuntimeFunction class (which might be useful outside CGObjCGNU - feel free to move it into a header if it is). This function stores the types of a function, looks it up the first time it's used, and caches the result. This means that we're now not wasting time constructing the llvm::FunctionType every time some of the functions are looked up, but also not inserting references to runtime functions into the module if they're not actually used. - Started separating out the fragile and non-fragile ABI behaviours into two subclasses of CGObjCGNU: CGObjCGCC for the legacy GCC runtime ABI and CGObjCGNUstep for the new GNUstep ABI. Not all of the differences in behaviour are factored out yet, but they will be in future commits. - Removed all of the CodeGen:: things: we've been using namespace CodeGen in this file for ages, so having explicit namespace specifiers is just a bit confusing. - Added a few more comments. - Used llvm::StringRef instead of std::string in a few places. - Finally got around to storing the module path in the module structure. The ABI says that the compiler should do this, although it's not used in the runtime or exposed outside the runtime, so it's pretty useless. Still to do: - We currently have two code paths for generating try blocks, one for ObjC and one for ObjC++. Not only are these substantially similar, they are also very similar to the CGObjCMac version. These need factoring out into a single parameterised implementation, either in CGObjCRuntime or CodeGenFunction. The EmitObjCXXTryStmt() function was added so that the changes to fix a bug in time for the 2.9 release would be self-contained and reduce the chances of breaking anything else, but these should be done properly as soon as possible. - Split up some large functions (e.g. GenerateClass()) into smaller functions for generating the various data structures. - The method lookup code into the two subclasses, removing the conditionals in the message send functions. - Add doxygen comments on the remaining undocumented functions. - We seem to be generating global pointer variables for selectors, then storing a pointer to the selector, then generating a load of this pointer (and then a load of the real selector later) every time a static selector is used. I can only assume I was asleep or drunk when I did this - we should just be referencing the selectors directly in the selector array. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128152 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-23Update type cache when a type is completed.Devang Patel
Radar 9168773 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128150 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-23Convert OffsetFromNearestVBast parameter of InitializeVTablePointer(s) toKen Dyck
CharUnits. No change in functionality intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128129 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-23Implement a new 'availability' attribute, that allows one to specifyDouglas Gregor
which versions of an OS provide a certain facility. For example, void foo() __attribute__((availability(macosx,introduced=10.2,deprecated=10.4,obsoleted=10.6))); says that the function "foo" was introduced in 10.2, deprecated in 10.4, and completely obsoleted in 10.6. This attribute ties in with the deployment targets (e.g., -mmacosx-version-min=10.1 specifies that we want to deploy back to Mac OS X 10.1). There are several concrete behaviors that this attribute enables, as illustrated with the function foo() above: - If we choose a deployment target >= Mac OS X 10.4, uses of "foo" will result in a deprecation warning, as if we had placed attribute((deprecated)) on it (but with a better diagnostic) - If we choose a deployment target >= Mac OS X 10.6, uses of "foo" will result in an "unavailable" warning (in C)/error (in C++), as if we had placed attribute((unavailable)) on it - If we choose a deployment target prior to 10.2, foo() is weak-imported (if it is a kind of entity that can be weak imported), as if we had placed the weak_import attribute on it. Naturally, there can be multiple availability attributes on a declaration, for different platforms; only the current platform matters when checking availability attributes. The only platforms this attribute currently works for are "ios" and "macosx", since we already have -mxxxx-version-min flags for them and we have experience there with macro tricks translating down to the deprecated/unavailable/weak_import attributes. The end goal is to open this up to other platforms, and even extension to other "platforms" that are really libraries (say, through a #pragma clang define_system), but that hasn't yet been designed and we may want to shake out more issues with this narrower problem first. Addresses <rdar://problem/6690412>. As a drive-by bug-fix, if an entity is both deprecated and unavailable, we only emit the "unavailable" diagnostic. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128127 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-23Convert NonVirtual parameter of ApplyNonVirtualAndVirtualOffset() toKen Dyck
CharUnits. No change in functionality intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128126 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Simplify Mac runtime selection - it's the factory function's job to select ↵David Chisnall
which class to produce, not CodeGenModule's. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128109 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Make the property accessor functions that take a ptrdiff_t actually take a ↵David Chisnall
ptrdiff_t instead of a long (should have no impact on any sane platforms, but win64 is not sane). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128104 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Make the ivar offset always be a ptrdiff_t, because stuff in CGObjC.cpp ↵David Chisnall
expects this. Actually, it expects a long, but that's a bug that will be fixed in the next commit... git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128102 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Fix typo in comment.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128088 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Frontend: Add a more explicit -backend-option flag for passing backend commandDaniel Dunbar
line options, instead of leveraging the blanket -mllvm option. - This allows using the frontend itself without requiring the backend have those options available (i.e., if the target wasn't built). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128087 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22The emission of an Objective-C++'s class .cxx_destruct method should beJohn McCall
conditioned on whether it has any destructible ivars, not on whether it has any non-trivial class-object initializers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128074 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Convert Offset variable in GetAddressOfDirectBaseInCompleteClass() toKen Dyck
CharUnits. No change in functionality intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128060 91177308-0d34-0410-b5e6-96231b3b80d8
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