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2010-09-16When dealing with an anonymous enumeration declared in functionDouglas Gregor
prototype scope, temporarily set the context of the enumeration declaration to the translation unit. We do the same thing for parameters, until we have an actual function declaration on which to hang them. Fixes <rdar://problem/8435682>. There is more work to do in this area, since we have existing bugs with tags being declared/defined in function parameter lists. This fix is correct, and we'll end up extending it when we deal with those existing bugs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114135 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-16IRgen/ABI/x86-32: Realign indirect arguments when the ABI requires us to passDaniel Dunbar
them with a smaller alignment than the rest of codegen expects. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114115 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-16IRgen/ABI: Add support for realigning structures which are passed by indirectDaniel Dunbar
reference. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114114 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-16IRgen/ABI/x86_32/Darwin: On Darwin, only structures with SSE vector types ↵Daniel Dunbar
get passed with a non-default-stack-ABI-alignment (of 16). - This fixes the ABI convenient, but breaks codegen since we now have underaligned arguments. Marginal improvement overall though, and will be fixed in next commit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114113 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-16IRgen/x86_32/Linux: Linux seems to align all stack objects to 4 bytes, unlikeDaniel Dunbar
Darwin. Checked vs the handiest Linux llvm-gcc I had around, someone on Linux is welcome to investigate more. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114112 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-16improve the "enumeration value 'g' not handled in switch"Chris Lattner
warning to handle multiple enumerators with one warning. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114093 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-16Removes unused setter.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114085 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-16Don't add two code-completion results for the same selector; itDouglas Gregor
doesn't add any value. Instead, we'll just take the first method with that selector that we find and create a completion for it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114082 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-16When collecting Objective-C methods for message send completions, beDouglas Gregor
sure to visit the protocols of protocols. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114079 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-16Implement code completion for Objective-C class message sends that areDouglas Gregor
missing the opening bracket '[', e.g., NSArray <CC> at function scope. Previously, we would only give trivial completions (const, volatile, etc.), because we're in a "declaration name" scope. Now, we also provide completions for class methods of NSArray, e.g., alloc Note that we already had support for this after the first argument, e.g., NSArray method:x <CC> would get code completion for class methods of NSArray whose selector starts with "method:". This was already present because we recover as if NSArray method:x were a class message send missing the opening bracket (which was committed in r114057). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114078 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-16Right, there are *two* cases of pr-value class-type expressions that don'tJohn McCall
derive from temporaries of the same type. Black-list member expressions as well. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114071 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-16Opportunistically use the C++ personality function in ObjC++John McCall
translation units that don't catch ObjC types. rdar://problem/8434851 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114070 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-16Refactored BugReporter to refer to EndNode as ErrorNode. We currently make ↵Tom Care
the assumption that EndNode == ErrorNode, but upcoming changes will break this. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114065 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-16Tidy up.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114062 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-16Further beautification: this pointer can now be typed.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114061 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-16Initialize AggValueSlot's flags along all paths, plus minor beautification.John McCall
Prospective fix for broken commit in r114045. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114060 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-16Implement automatic bracket insertion for Objective-C class messageDouglas Gregor
sends. These are far trickier than instance messages, because we typically have something like NSArray alloc] where it appears to be a declaration of a variable named "alloc" up until we see the ']' (or a ':'), and at that point we can't backtrace. So, we use a combination of syntactic and semantic disambiguation to treat this as a message send only when the type is an Objective-C type and it has the syntax of a class message send (which would otherwise be ill-formed). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114057 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-16Introduce new CFGElement hierarchy to support C++ CFG, based on Marcin's patchZhongxing Xu
and discussions with Ted and Jordy. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114056 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-16Do not warn about empty bodies for 'if' statements if the body is expanded ↵Ted Kremenek
from a macro. Fixes <rdar://problem/8436021>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114049 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-16Patch to move RequiresGCollection bit toFariborz Jahanian
AggValueSlot slot. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114045 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-16For self-comparison warning, check the source location of both the LHS and ↵Ted Kremenek
RHS to see if they are expanded from macros (and if so, omit the warning). Previously we were just looking at the location of the binary expression. Fixes <rdar://problem/8435950>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114044 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-15Handle bracket insertion for Objective-C class messages in a veryDouglas Gregor
narrow, almost useless case where we're inside a parenthesized expression, e.g., (NSArray alloc]) The solution to the general case still eludes me. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114039 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-15Tweak comment as suggested by Sebastian.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114019 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-15While handling change of file, check if _current_ file is already seen or ↵Devang Patel
not. If current file is seen then it indicates that end of previous file's lexical scope. This fixes radar 8396182. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114018 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-15Macro definitions in AST files have their own IDs.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114014 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-15Initialize TypeOrExpr to NULL to silence a false-positive uninitialized warningNick Lewycky
from certain GCC's. Patch by Neil Vachharajani! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113995 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-15Improve code completion for Objective-C message sends when the openingDouglas Gregor
'[' is missing. Prior commits improving recovery also improved code completion beyond the first selector, e.g., at or after the "to" in calculator add:x to:y but not after "calculator". We now provide the same completions for calculator <CC> that we would for [calculator <CC> if "calculator" is an expression whose type is something that can receive Objective-C messages. This code completion works for instance and super message sends, but not class message sends. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113976 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-15Make the new -fobjc-nonfragile-abi2 the defaultFariborz Jahanian
abi for clang's objective-c compilations. (radar 8353555). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113974 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-15Extend bracket insertion to message sends to "super", e.g.,Douglas Gregor
super method:arg] will now recover nicely and insert the '[' before 'super'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113971 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-15Extend bracket insertion to handle nullary selectors, e.g.Douglas Gregor
a getFoo] git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113969 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-15Implement bracket insertion for Objective-C instance message sends asDouglas Gregor
part of parser recovery. For example, given: a method1:arg]; we detect after parsing the expression "a" that we have the start of a message send expression. We pretend we've seen a '[' prior to the a, then parse the remainder as a message send. We'll then give a diagnostic+fix-it such as: fixit-objc-message.m:17:3: error: missing '[' at start of message send expression a method1:arg]; ^ [ The algorithm here is very simple, and always assumes that the open bracket goes at the beginning of the message send. It also only works for non-super instance message sends at this time. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113968 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-15one piece of code is responsible for the lifetime of every aggregateJohn McCall
slot. The easiest way to do that was to bundle up the information we care about for aggregate slots into a new structure which demands that its creators at least consider the question. I could probably be convinced that the ObjC 'needs GC' bit should be rolled into this structure. Implement generalized copy elision. The main obstacle here is that IR-generation must be much more careful about making sure that exactly git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113962 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-15Relax assertion in CFG builder when processing ForStmts. This fixes an ↵Ted Kremenek
assertion failure on code containing GNU statement expressions reported in PR 8141. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113953 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-15Disallow the use of UnknownVal as the index for ElementRegions. UnknownVals ↵Ted Kremenek
can be used as the index when the value evaluation isn't powerful enough. By creating ElementRegions with UnknownVals as the index, this gives the false impression that they are the same element, when they really aren't. This becomes really problematic when deriving symbols from these regions (e.g., those representing the initial value of the index), since two different indices will get the same symbol for their binding. This fixes an issue with the idempotent operations checker that would cause two indices that are clearly not the same to make it appear as if they always had the same value. Fixes <rdar://problem/8431728>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113920 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-15Fix classification of statement expressions.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113917 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-15Fix Windows64 target info so pointer arithmetic is done correctly, and no ↵Cameron Esfahani
sign extension code is emitted: PtrDiffType needs to be a signed long long. Add a corresponding test case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113910 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-15Microsoft's flexible array rules relaxation:Francois Pichet
- in union - as the only element of a struct/class. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113909 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-14Introduce a new code-completion context for a parenthesizedDouglas Gregor
expression, e.g., after the '(' that could also be a type cast. Here, we provide types as code-completion results in C/Objective-C (C++ already had them), although we wouldn't in a normal expression context. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113904 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-14Add CFG::BuildOptions class to pass in CFG builder options under on ↵Ted Kremenek
parameter. Patch by Marcin Świderski! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113898 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-14Fix destructor and assignment operator lookup in the has_nothrow traits.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113897 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-14Adjust assertion in RegionStoreManager::RetrieveArray() to also take into ↵Ted Kremenek
account typedefs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113893 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-14Driver: Add a -stdlib= argument which can be used to select the C++ standardDaniel Dunbar
library to use. - This is currently useful for testing libc++; you can now use 'clang++ -stdlib=libc++ t.cpp' to compile using it if installed. - In the future could also be used to select other standard library choices if alternatives become available (for example, to use an alternate C library). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113891 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-14Driver: Factor out some code for handling the C++ standard library.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113890 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-14Simplify.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113889 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-14Don't divide-by-zero in RegionStoreManager::getSizeInElements() when getting ↵Ted Kremenek
the size of a VLA. We don't track VLA extents yet, but we should at least not crash. Fixes <rdar://problem/8424269>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113888 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-14RHS of property expression assignment requiresFariborz Jahanian
copy initialization before passing it to a setter. Fixes radar 8427922. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113885 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-14When marking the declarations in a default argument expression asDouglas Gregor
"used", at the time that the default argument itself is used, also mark destructors that will be called by this expression. This fixes a regression that I introduced in r113700, which broke WebKit, and fixes <rdar://problem/8427926>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113883 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-14Eliminate the default case in the expression-classification code, soDouglas Gregor
that we're sure to keep it updated when new expression kinds emerge. Also fixes a few little bugs in the classification of expressions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113864 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-14Tweak this assert.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113863 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-14Rename 'MaxLoop' to 'MaxVisit' in AnalysisManager to more correctly reflect ↵Tom Care
that we aborted analysis may not necessarily be due to a loop. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113862 91177308-0d34-0410-b5e6-96231b3b80d8
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