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2011-09-14[driver] Add support for the COMPILER_PATH environment variable, which adds theChad Rosier
specified path(s) to the list of prefix directories. rdar://10097714 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139677 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-14[analyzer] Refactor: Make PathDiagnosticLocation responsible for creating a ↵Anna Zaks
valid object given an ExploadedNode (the same logic can be reused by other checkers). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139672 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13Fix typo.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139668 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13Assert that the module hash produced after stripping away non-modular ↵Douglas Gregor
options is the same as the module hash before stripping those options. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139663 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13For modules, use a hash of the compiler version, language options, andDouglas Gregor
target triple to separate modules built under different conditions. The hash is used to create a subdirectory in the module cache path where other invocations of the compiler (with the same version, language options, etc.) can find the precompiled modules. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139662 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13In general, don't look through explicit casts when tryingJohn McCall
to find the called declaration. Explicit casts can radically change the semantics of a call, and it's no longer really a builtin call any more than it would be a builtin call if you stored the function pointer into a variable and called that. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139659 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13Correctly generate IR for casted "builtin" functions, whereJohn McCall
the builtin is really just a predefined declaration. These are totally valid to cast. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139657 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13O64 will not be supported.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139655 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13mips*-*-psp is no longer supported as a target.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139654 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13Re-commit r139643.Eli Friedman
Make clang use Acquire loads and Release stores where necessary. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139650 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13Revert r139643 while I look into it; it's breaking selfhost.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139648 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13[PCH] Fix a regression that r139441 introduced (decls were getting passedArgyrios Kyrtzidis
to the consumer without being fully deserialized). The regression was on compiling boost.python and it was too difficult to get a reduced test case unfortunately. Also modify the logic of how objc methods are getting passed to the consumer; codegen depended on receiving objc methods before the implementation decl. Since the interesting objc methods are ones with a body and such methods only exist inside an ObjCImplDecl, deserialize and pass to consumer all the methods of ObCImplDecl when we see one. Fixes http://llvm.org/PR10922 & rdar://10117105. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139644 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13Make clang use Acquire loads and Release stores where necessary.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139643 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13Turn off the generation of unaligned atomic load/store; I'm going to ↵Eli Friedman
explicitly error out on such cases in the backend, at least for the moment. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139640 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13When building a module on-demand, clear out the "non-modular" languageDouglas Gregor
and preprocessor options (such as macro definitions) first. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139638 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13Add the location of the interface reference to IBOutletCollectionAttr.Argyrios Kyrtzidis
Depends on a llvm tablegen commit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139618 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13Refactoring, mostly to give ObjCPropertyDecls stronger invariants forJohn McCall
their semantic attributes and then to take advantage of that. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139615 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13Switch the serialization of LangOptions over to use the .def file. WeDouglas Gregor
should no longer have the serialization of LangOptions out of sync with the structure itself (yay). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139613 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13Thread safety: Initializing var before exhaustive switch statement to deal ↵Caitlin Sadowski
with extraneous warning produced by gcc but not clang git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139611 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13Switch LangOptions over to a .def file that describes header of theDouglas Gregor
language options. Use that .def file to declare the LangOptions class and initialize all of its members, eliminating a source of annoying initialization bugs. AST serialization changes are next up. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139605 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13Keep the source range of attributes. Depends on a llvm tablegen commit.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139600 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13Record the full source range of an attribute.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139599 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13In Microsoft mode, downgrade "goto into protected scope" from error to ↵Francois Pichet
warning if we are jumping over a variable initialization via a goto. This fixes a few errors when parsing MFC code with clang. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139595 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13Switch -Wreturn-type to completely rely on the CFG model of no-return.Chandler Carruth
This deletes a bunch of crufty code, and allows more logic sharing between the analyzer and the warnings. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139594 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13Add a bit to the CFGBlock to track when it contains a no-returnChandler Carruth
CFGElement. This will allow greatly simplifying the logic in -Wreturn-type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139593 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13Consolidate the logic for building a no-return CFG block into a singleChandler Carruth
location with a single comment rather than scattering it in three places. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139592 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13Don't use native atomics on ivars whose size is not a power of two,John McCall
even on architectures that support unaligned access (which is the only way this is otherwise legal, given that ivars apparently do not honor alignment attributes). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139590 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13Enhance the CFG construction to detect no-return destructors forChandler Carruth
temporary objects and local variables. When detected, these split the block, marking the new one as having only the exit block as a successor. This prevents a large number of false positives in warnings sensitive to no-return constructs such as -Wreturn-type, and fixes the remainder of PR10063 along with several variations of this bug that had not been reported. The test cases are extended across the board to cover these patterns. This also checks in a stress test for these types of CFGs. The stress test declares some 32k variables, a mixture of no-return and normal destructors. Previously, this resulted in roughly 2500 CFG blocks, but didn't model any of the no-return destructors. With this patch, it results in over 33k blocks, many of them now unreachable. The nice thing about how the analyzer is set up? This causes *no* regression in performance of building the CFG. It actually in some cases makes it faster, as best I can benchmark. The analysis for -Wreturn-type (and any other that cares about no-return code paths) is technically slower now as it has to look at many more candidate blocks, but it computes the correct answer. I have more test cases to follow, I think they all work now. Also I have further work that should dramatically simplify analyses in the presence of no-return. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139586 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13Handle reference properties correctly in the trivial-getter check.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139585 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13Always emit bitfield properties using expression behavior, even if they'reJohn McCall
atomic. This is probably something we should warn about. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139584 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13Unify the decision of how to emit property getters and setters into aJohn McCall
single code path. Use atomic loads and stores where necessary. Load and store anything of the appropriate size and alignment with primitive operations instead of going through the call. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139580 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13When compiling a module on-demand, re-use the diagnostics clientDouglas Gregor
already provided. This required a little bit of clean-up in the way that VerifyDiagnosticsClient managed ownership of its underlying "primary" client, because now it will no longer always take ownership. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139570 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-12When an import statement fails to find a module in the module cache,Douglas Gregor
but there is a corresponding umbrella header in a framework, build the module on-the-fly so it can be immediately loaded at the import statement. This is very much proof-of-concept code, with details to be fleshed out over time. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139558 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-12Privatize the setter/getter call generation methods, plus some minorJohn McCall
modernization. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139555 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-12Thread safety: small formatting changeCaitlin Sadowski
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139548 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-12Introduce a cc1-level option to provide the path to the module cache,Douglas Gregor
where the compiler will look for module files. Eliminates the egregious hack where we looked into the header search paths for modules. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139538 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-12Kill off an irrelevant FIXMEDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139523 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-12By popular demand, enumerate all builtin types!Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139521 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-12Refactor CheckAdditionOperands() to use early return for pointer addition.Richard Trieu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139520 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-12Diagnose attempt to mark function-local declarations as __module_private__.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139519 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-12Add an assert so that new builtins do not sneak without proper debug info.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139514 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-12[libclang] In ASTUnit::Parse copy the CompilerInvocation object instead ofArgyrios Kyrtzidis
modifying directly for the preamble. This avoids an awful, hard to find, bug where "PreprocessorOpts.DisablePCHValidation = true" would be persistent for subsequent reparses of the translation unit which would result in defines, present in command-line but not in the PCH, being ignored. Fixes rdar://9615399. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139512 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-12Fix two comments from warn to emit error to match the actual diagnostic used.Richard Trieu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139510 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-12[analyzer] Fix a failure encountered while analyzing bind (radar://10105448).Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139509 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-12[analyzer] Fix a new failure encountered while building Adium exposed as a ↵Anna Zaks
result of r138196(radar://10087620). ObjectiveC property of type int has a value of type ObjCPropRef, which is a Loc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139507 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-12Fix debug info encodings for char16_t and char32_t.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139502 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-12Allow __module_private__ on fieldsDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139499 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-12Remove the restriction on module-private friends. Since the friendDouglas Gregor
declaration may be the first declaration, we want the ability to that declaration to be marked module-private. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139497 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-12Only predefine the __EXCEPTIONS macro if C++ exceptions are turned on.Douglas Gregor
Only predefine the OBJC_ZEROCOST_EXCEPTIONS macro if Objective-C exceptions are turned on. Fixes PR10910. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139496 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-12Silence ?: precendence warning when parenthesis are present.Hans Wennborg
Fixes PR10898. The warning should be silent when there are parenthesis around the condition expression. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139492 91177308-0d34-0410-b5e6-96231b3b80d8
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