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2013-03-15<rdar://problem/13426257> Introduce SDKSettings.plist as an input file ↵Douglas Gregor
dependency for PCH/modules. When we're building a precompiled header or module against an SDK on Darwin, there will be a file SDKSettings.plist in the sysroot. Since stat()'ing every system header on which a module or PCH file depends is performance suicide, we instead stat() just SDKSettings.plist. This hack works well on Darwin; it's unclear how we want to handle this on other platforms. If there is a canonical file, we should use it; if not, we either have to take the performance hit of stat()'ing system headers repeatedly or roll the dice by not checking anything. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177194 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-15Silence anonymous type in anonymous union warnings.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177133 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-14Don't try to typo-correct 'super' in an objc method.Argyrios Kyrtzidis
This created 2 issues: 1) Performance issue, since typo-correction with PCH/modules is rather expensive. 2) Correctness issue, since if it managed to "correct" 'super' then bogus compiler errors would be emitted, like this: 3.m:8:3: error: unknown type name 'super'; did you mean 'super1'? super.x = 0; ^~~~~ super1 t3.m:5:13: note: 'super1' declared here typedef int super1; ^ t3.m:8:8: error: expected identifier or '(' super.x = 0; ^ git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177126 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-14[analyzer] Change the way in which IDC Visitor decides to kick in and make ↵Anna Zaks
sure it attaches in the given edge case In the test case below, the value V is not constrained to 0 in ErrorNode but it is in node N. So we used to fail to register the Suppression visitor. We also need to change the way we determine that the Visitor should kick in because the node N belongs to the ExplodedGraph and might not be on the BugReporter path that the visitor sees. Instead of trying to match the node, turn on the visitor when we see the last node in which the symbol is ‘0’. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177121 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-14Fix an unused variable warning from Clang by sinking a dyn_cast into anChandler Carruth
isa and a cast inside the assert. The efficiency concern isn't really important here. The code should likely be cleaned up a bit more, especially getting a message into the assert. Please review Rafael. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177053 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-14Add support for the 'endian' attribute for OpenCL.Joey Gouly
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177035 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-14Avoid computing the linkage too early. Don't invalidate it.Rafael Espindola
Before this patch we would compute the linkage lazily and cache it. When the AST was modified in ways that could change the value, we would invalidate the cache. That was fairly brittle, since any code could ask for the a linkage before the correct value was available. We should change the API to one where the linkage is computed explicitly and trying to get it when it is not available asserts. This patch is a first step in that direction. We still compute the linkage lazily, but instead of invalidating a cache, we assert that the AST modifications didn't change the result. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176999 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-13[Modules] Don't eagerly load and associate all the module header files.Argyrios Kyrtzidis
In a module-enabled Cocoa PCH file, we spend a lot of time stat'ing the headers in order to associate the FileEntries with their modules and support implicit module import. Use a more lazy scheme by enhancing HeaderInfoTable to store extra info about the module that a header belongs to, and associate it with its module only when there is a request for loading the header info for a particular file. Part of rdar://13391765 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176976 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-13[Modules] Resolve top-headers of modules lazily.Argyrios Kyrtzidis
This allows resolving top-header filenames of modules to FileEntries when we need them, not eagerly. Note that that this breaks ABI for libclang functions clang_Module_getTopLevelHeader / clang_Module_getNumTopLevelHeaders but this is fine because they are experimental and not widely used yet. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176975 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12Revert "Revert r166370 and r166540 now that Xcode 4.6 has been available for ↵Bob Wilson
a while." This reverts commit 176887. Nico asked for more time to move to Xcode 4.6. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176892 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12Objective-C: Issue warning in couple of obscure casesFariborz Jahanian
when property autosynthesis does not synthesize a property. When property is declared 'readonly' in a super class and is redeclared 'readwrite' in a subclass. When a property autosynthesis causes it to share 'ivar' with another property. // rdar://13388503 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176889 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12Revert r166370 and r166540 now that Xcode 4.6 has been available for a while.Bob Wilson
Those changes were added as a temporary workaround for Xcode 4.5 passing the -Wno-arc-abi option. Xcode 4.6 does not pass that option so this should no longer be necessary. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176887 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12Revert "Disallow using -fmodules with -no-integrated-as."Ted Kremenek
Per comment from Benjamin Kramer, this isn't portable (yet). I'll come up with a better fix. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176876 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-11Disallow using -fmodules with -no-integrated-as.Ted Kremenek
Modules enables features such as auto-linking, and we simply do not want to support a matrix of subtly enabled/disabled features depending on whether or not a user is using the integrated assembler. It isn't clear if this is the best place to do this check. For one thing, these kind of errors are not caught by the serialized diagnostics. Fixes <rdar://problem/13289240> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176826 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-11Add -Wc99-compat warning for C11 unicode string and character literals.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176817 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-09Handle _Pragma on a u8, u, or U string literal per the C11 specification. AlsoRichard Smith
handle raw string literals here. C++11 doesn't yet specify how they will behave, but discussion on core suggests that we should just strip off everything but the r-char-sequence. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176779 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-09Remove unused diagnostic.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176774 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-09[analyzer] Make Suppress IDC checker aware that it might not start from the ↵Anna Zaks
same node it was registered at The visitor used to assume that the value it’s tracking is null in the first node it examines. This is not true. If we are registering the Suppress Inlined Defensive checks visitor while traversing in another visitor (such as FindlastStoreVisitor). When we restart with the IDC visitor, the invariance of the visitor does not hold since the symbol we are tracking no longer exists at that point. I had to pass the ErrorNode when creating the IDC visitor, because, in some cases, node N is neither the error node nor will be visible along the path (we had not finalized the path at that point and are dealing with ExplodedGraph.) We should revisit the other visitors which might not be aware that they might get nodes, which are later in path than the trigger point. This suppresses a number of inline defensive checks in JavaScriptCore. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176756 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-09Add TagDecl::hasNameForLinkage(), which is true if the tagJohn McCall
is non-anonymous or is defined in a typedef of itself. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176742 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08Documentation parsing. Some refactoring and codeFariborz Jahanian
improvements per Dmtiri's comments. // rdar://12379114 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176739 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08Sema: Preserve attributes on parameters in instantiated function templates.Jordan Rose
This was causing correctness issues for ARC and the static analyzer when a function template has "consumed" Objective-C object parameters (i.e. parameters that will be released by the function before returning). The fix is threefold: (1) Actually copy over the attributes from old ParmVarDecls to new ones. (2) Have Sema::BuildFunctionType only work for building FunctionProtoTypes, which it was doing anyway. This allows us to pass an ExtProtoInfo instead of a plain ExtInfo and several flags. (3) Drop param attributes as part of StripImplicitInstantiation, which is used when an implicit instantiation is followed by an explicit one. <rdar://problem/12685622> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176728 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08ArrayRef-ize ASTContext::getFunctionType and Sema::BuildFunctionType.Jordan Rose
No (intended) functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176726 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08[PCH] When complaining that a header from the PCH was modified, also mentionArgyrios Kyrtzidis
the filename of the PCH file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176717 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08Add support for the OpenCL attribute 'vec_type_hint'.Joey Gouly
Patch by Murat Bolat! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176686 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08[driver] If we're just linking, don't report --param X as unused option.Chad Rosier
PR15327 rdar://13372628 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176670 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07HeaderDoc: Support more of HeaderDoc documentation Fariborz Jahanian
commands; top level tags such as @interface and their 2nd level tags such as @coclass, etc. // rdar://12379114 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176667 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Add CharUnits::alignmentAtOffset.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176655 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Adding lvalue and rvalue reference type matchersEdwin Vane
Updated docs and tests. Reviewers: klimek, gribozavr git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176630 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Minor refactor of how we get compilation phases.Matthew Curtis
There is now a single function to get the list of phases for a given output Type. No functionality change intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176628 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Add flags for additional control over coverage generation. Pick the versionNick Lewycky
string to be emitted, and two properties about the files themselves. Use $PWD to absolut-ify the path to the coverage file. Yes, this is what GCC does. Reverts my own r175706. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176617 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Don't duplicate function names. Thanks to Jordan Rose for pointing it out.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176609 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Add a hasExternalLinkage helper. No functionality change.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176607 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Add a hasExternalStorageAsWritten helper. No functionality change.Rafael Espindola
It is possible that some of the current uses of "getStorageClassAsWritten() == SC_Extern" should use this but I don't know enough about SC_PrivateExtern to change and test them. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176606 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Fix typo.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176603 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07[analyzer] Clean up a few doc comments for ProgramState and CallEvent.Jordan Rose
No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176600 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-06Ensure that DIType is regenerated after we visit an implementationAdrian Prantl
that adds ivars to an interface. Fixes rdar://13175234 This is an update to r176116 that performs a smart caching of interfaces. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176584 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-06[analyzer] IDC: Add config option; perform the idc check on first “null ↵Anna Zaks
node” rather than last “non-null”. The second modification does not lead to any visible result, but, theoretically, is what we should have been looking at to begin with since we are checking if the node was assumed to be null in an inlined function. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176576 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-06[PCH] We don't need to instantiate HeaderFileInfoTrait in ASTReader more ↵Argyrios Kyrtzidis
than once. We can just re-use the one from HeaderFileInfoLookupTable. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176565 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-06Spell Objective-C correctly.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176563 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-06say objective-C in the warning and streamlineFariborz Jahanian
several diagnostics into one. // rdar://13094352 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176560 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-06New ASTMatchers and enhancement to hasOverloadedOperatorNameEdwin Vane
Added two new narrowing matchers: * hasMethod: aplies a matcher to a CXXRecordDecl's methods until a match is made or there are no more methods. * hasCanonicalType: applies a matcher to a QualType's canonicalType. Enhanced hasOverloadedOperatorName to work on CXXMethodDecl as well as CXXOperatorCallExpr. Updated tests and docs. Reviewers: klimek, gribozavr git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176556 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-06revert r176531 due to clan-native-arm failsWeiming Zhao
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176544 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-06PR15390: If a function returns a pointer to a function, that function typeRichard Smith
can't have default arguments even though it's a parameter-declaration-clause in a function declaration. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176542 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-06After issuing a diagnostic for undefining or redefining a builtin macro,Richard Smith
continue parsing the directive rather than silently discarding it. Allowing undef or redef of __TIME__ and __DATE__ is important to folks who want stable, reproducible builds. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176540 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-05PR 11326: Lack diagnosic message when ABI conflicts on ARMWeiming Zhao
When both Triple and -mabi are used, it may result into conflicting ABI value. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176531 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-05fix a missing check in my last patch.Fariborz Jahanian
// rdar://13094352 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176529 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-05doc. parsing. Improve on diagnostics on my last patch.Fariborz Jahanian
// rdar://13094352. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176525 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-05[libclang] When logging a CXTranslationUnit that came from an AST file, ↵Argyrios Kyrtzidis
print out the filename. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176511 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-05doc parsing. Add @method and @callback forFariborz Jahanian
checkings and few other refactoring/cleanup. // rdar://13094352. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176509 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-05Add quotation marks to template names in diagnostics.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176474 91177308-0d34-0410-b5e6-96231b3b80d8
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