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2013-03-03Default to enabling default-synthesized ivars on all platformsDavid Chisnall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176419 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-03[docs] Use vim code-block instead of console.Sean Silva
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176418 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-02Process #pragma weak only after we know the linkage of the function or variableRafael Espindola
we are looking at. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176414 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-02CommandLineArgumentParser: handle single quotes.Peter Collingbourne
Differential Revision: http://llvm-reviews.chandlerc.com/D482 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176404 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-02[analyzer] Simple inline defensive checks suppressionAnna Zaks
Inlining brought a few "null pointer use" false positives, which occur because the callee defensively checks if a pointer is NULL, whereas the caller knows that the pointer cannot be NULL in the context of the given call. This is a first attempt to silence these warnings by tracking the symbolic value along the execution path in the BugReporter. The new visitor finds the node in which the symbol was first constrained to NULL. If the node belongs to a function on the active stack, the warning is reported, otherwise, it is suppressed. There are several areas for follow up work, for example: - How do we differentiate the cases where the first check is followed by another one, which does happen on the active stack? Also, this only silences a fraction of null pointer use warnings. For example, it does not do anything for the cases where NULL was assigned inside a callee. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176402 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-02Some refactoring in my patch on documentFariborz Jahanian
command source fidelity. // rdar://13066276 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176401 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-02LLVM API changes.Peter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176398 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-02CMake: -Wno-nested-anon-types for Clang.Jordan Rose
In LLVM, -pedantic is not set unless LLVM_ENABLE_PEDANTIC is set. However, Clang's CMakeLists.txt unilaterally adds -pedantic to the run line, so we need to disable -Wnested-anon-types explicitly. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176393 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01[analyzer] Update open source checker build to checker-272.Jordan Rose
See http://clang-analyzer.llvm.org/release_notes.html for what's new in this build. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176389 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01[analyzer] Special-case bitfields when finding sub-region bindings.Jordan Rose
Previously we were assuming that we'd never ask for the sub-region bindings of a bitfield, since a bitfield cannot have subregions. However, unification of code paths has made that assumption invalid. While we could take advantage of this by just checking for the single possible binding, it's probably better to do the right thing, so that if/when we someday support unions we'll do the right thing there, too. This fixes a handful of false positives in analyzing LLVM. <rdar://problem/13325522> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176388 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01comment parsing. Keep the original command format Fariborz Jahanian
in AST for source fidelity and use it in diagnostics to refer to the original format. // rdar://13066276 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176387 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Fix typos: [Dd]iagnosic -> [Dd]iagnosticStefanus Du Toit
These all appear in comments or (ironically) diagnostics output. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176383 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01[analyzer] Suppress paths involving a reference whose rvalue is null.Jordan Rose
Most map types have an operator[] that inserts a new element if the key isn't found, then returns a reference to the value slot so that you can assign into it. However, if the value type is a pointer, it will be initialized to null. This is usually no problem. However, if the user /knows/ the map contains a value for a particular key, they may just use it immediately: // From ClangSACheckersEmitter.cpp recordGroupMap[group]->Checkers In this case the analyzer reports a null dereference on the path where the key is not in the map, even though the user knows that path is impossible here. They could silence the warning by adding an assertion, but that means splitting up the expression and introducing a local variable. (Note that the analyzer has no way of knowing that recordGroupMap[group] will return the same reference if called twice in a row!) We already have logic that says a null dereference has a high chance of being a false positive if the null came from an inlined function. This patch simply extends that to references whose rvalues are null as well, silencing several false positives in LLVM. <rdar://problem/13239854> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176371 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Remove whitespace at end of file.Daniel Jasper
This fixes the rest of llvm.org/PR15062. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176361 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Correctly format arrays of pointers and function types.Daniel Jasper
Before: void f(Type(*parameter)[10]) {} int(*func)(void *); After: void f(Type (*parameter)[10]) {} int (*func)(void *); git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176356 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01[PCH] Remove building a SmallPtrSet that is not actually used for anything.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176354 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Normal indent for last element of builder-type call.Daniel Jasper
In builder type call, we indent to the laster function calls. However, for the last element of such a call, we don't need to do so, as that normally just wastes space and does not increase readability. Before: aaaaaa->aaaaaa->aaaaaa( // break aaaaaa); aaaaaaaaaaaaaaaaaaaaa->aaaaaaaaaaaaaaaaaaaaaa ->aaaaaaaaaaaaaaaaaaaaaaaaaa( aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa); After: aaaaaa->aaaaaa->aaaaaa( // break aaaaaa); aaaaaaaaaaaaaaaaaaaaa->aaaaaaaaaaaaaaaaaaaaaa->aaaaaaaaaaaaaaaaaaaaaaaaaa( aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa); git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176352 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Remove trailing whitespace of line comments.Daniel Jasper
This fixed llvm.org/PR15378. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176351 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Implements breaking string literals at slashes.Manuel Klimek
We now break at a slash if we do not find a space to break on. Also fixes a bug where we would go over the limit when breaking the second line. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176350 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Implement fallback split point for string literals.Manuel Klimek
If we don't find a natural split point (currently space) in a string literal protruding over the line, we just split at the last possible point. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176349 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Perform the receiver-expression transformations regardless ofJohn McCall
whether we already have a method. Fixes a bug where we were failing to properly contextually convert a message receiver during template instantiation. As a side-effect, we now actually perform correct method lookup after adjusting a message-send to integral or non-ObjC pointer types (legal outside of ARC). rdar://13305374 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176339 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Attempt to not place ownership qualifiers on the result typeJohn McCall
of block declarators. Document the rule we use. Also document the rule that Doug implemented a few weeks ago which drops ownership qualifiers on function result types. rdar://10127067 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176336 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01[analyzer] Reword FAQAnna Zaks
Reword the FAQ to stress more that the assert should be used only in case the developer is sure that the issue is a false positive. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176335 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Add one more sanity check in SourceManager::getFileIDLoaded().Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176333 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01[PCH] Enhance InputFile to also include whether the file is out-of-date.Argyrios Kyrtzidis
Previously we would return null for an out-of-date file. This inhibited ASTReader::ReadSLocEntry from creating a FileID to recover gracefully in such a case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176332 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01In SourceManager::getFileIDLoaded(), add some sanity checks to make sure we ↵Argyrios Kyrtzidis
don't enter an infinite loop. rdar://13120919 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176331 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Restore order to placate test. I had no real reason to switch them.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176328 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Re-use bit from superclass and extract stuff into a localJohn McCall
function. Serves a patch we're kicking around out-of-tree. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176327 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Fix warning text of my last patch.Fariborz Jahanian
// rdar://13158394 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176308 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Add more of the command line options as attribute flags.Bill Wendling
These can be easily queried by the back-end. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176304 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28objective-C: clang, following gcc, warns onFariborz Jahanian
use of stand-alone protocol as type and uses id<proto>. Modify warning to say what compiler is doing. // rdar//13158394 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176303 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Use the actual ABI-determined C calling convention for runtimeJohn McCall
calls and declarations. LLVM has a default CC determined by the target triple. This is not always the actual default CC for the ABI we've been asked to target, and so we sometimes find ourselves annotating all user functions with an explicit calling convention. Since these calling conventions usually agree for the simple set of argument types passed to most runtime functions, using the LLVM-default CC in principle has no effect. However, the LLVM optimizer goes into histrionics if it sees this kind of formal CC mismatch, since it has no concept of CC compatibility. Therefore, if this module happens to define the "runtime" function, or got LTO'ed with such a definition, we can miscompile; so it's quite important to get this right. Defining runtime functions locally is quite common in embedded applications. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176286 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28ClangFormat.rst: Fix two small typosHans Wennborg
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176276 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Fix a problem where 'clang' is ambiguous in MSVC builds.Manuel Klimek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176275 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Add comment to my last test.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176272 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28objective-C code completion. Property accessors may notFariborz Jahanian
have their own code completion comments. Use those in their properties in this case. // rdar://12791315 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176271 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Reduce penalty for splitting after "{" in static initializers.Daniel Jasper
This fixes llvm.org/PR15379. Before: const uint8_t aaaaaaaaaaaaaaaaaaaaaa[0] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // comment 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // comment 0x00, 0x00, 0x00, 0x00 // comment }; After: const uint8_t aaaaaaaaaaaaaaaaaaaaaa[0] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // comment 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // comment 0x00, 0x00, 0x00, 0x00 // comment }; git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176262 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Dont break between (( in __attribute__((.Daniel Jasper
Before: void aaaaaaaaaaaaaaaaaa() __attribute__( (aaaaaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaaaa)); After: void aaaaaaaaaaaaaaaaaa() __attribute__((aaaaaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaaaa)); git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176260 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Improve property metadata generation with the GNUstep runtime.David Chisnall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176254 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28No spaces around pointers to members.Daniel Jasper
Before: (a ->* f)() After: (a->*f)() git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176252 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28First step towards adding a parent map to the ASTContext.Manuel Klimek
This does not yet implement the LimitNode approach discussed. The impact of this is an O(n) in the number of nodes in the AST reduction of complexity for certain kinds of matchers (as otherwise the parent map gets recreated for every new MatchFinder). See FIXMEs in the comments for the direction of future work. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176251 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Improve formatting of #defines.Daniel Jasper
Two improvements: 1) Always leave at least one space before "\". Otherwise is can look bad and there is a risk of unwillingly joining to characters to a different token. 2) Use the full column limit for single-line #defines. Fixes llvm.org/PR15148 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176245 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Fix bug when formatting "A<A<A>>".Daniel Jasper
Before: A<A<A>> ReadKansas(int aaaaaaaaaaaaaaaaaaaaaaaaaaa, int aaaaaaaaaaaaaaaaaaaaaaa); Before: A<A<A>> ReadKansas(int aaaaaaaaaaaaaaaaaaaaaaaaaaa, int aaaaaaaaaaaaaaaaaaaaaaa); git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176244 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Fix incorrect recognition of bin-packing.Daniel Jasper
Before (in Google style): Constructor() : aaaaa(aaaaaa), aaaaa(aaaaaa), aaaaa(aaaaaa), aaaaa(aaaaaa), aaaaa( aaaaaa) {} After: Constructor() : aaaaa(aaaaaa), aaaaa(aaaaaa), aaaaa(aaaaaa), aaaaa(aaaaaa), aaaaa(aaaaaa) {} git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176242 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Fix spacing after binary operator as macro parameter.Daniel Jasper
Before: COMPARE(a, == , b); After: COMPARE(a, ==, b); git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176241 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Fix global overflow in types::lookupTypeForTypeSpecifier.Evgeniy Stepanov
memcpy() is allowed to read entire contents of both memory areas. Found with AddressSanitizer. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176237 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28[analyzer] RegionStore: collectSubRegionKeys -> collectSubRegionBindingsJordan Rose
By returning the (key, value) binding pairs, we save lookups afterwards. This also enables further work later on. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176230 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28[analyzer] Mark the root SVal class as isPodLike.Jordan Rose
Pure optimization, no functionality change. Probably does not make much of a difference, but it's free. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176229 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Add a test case, to make sure there is no crash on IRGen when using PCHArgyrios Kyrtzidis
Related to rdar://13114142 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176227 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Avoiding flamewarsRenato Golin
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176221 91177308-0d34-0410-b5e6-96231b3b80d8
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