| d51db4935736fd943bfd46dfa74d41e9a3c2d41f |
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13-Nov-2012 |
Anna Zaks <ganna@apple.com> |
[analyzer] Follow up to r167762 - precisely determine the adjustment
conditions.
The adjustment is needed only in case of dynamic dispatch performed by
the analyzer - when the runtime declaration is different from the static
one.
Document this explicitly in the code (by adding a helper). Also, use
canonical Decls to avoid matching against the case where the definition
is different from found declaration.
This fix suppresses the testcase I added in r167762, so add another
testcase to make sure we do test commit r167762.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167780 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/Analysis/inlining/InlineObjCInstanceMethod.m
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| ff63227817217cd33c587e054d4892285b8e00c6 |
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03-Oct-2012 |
Jordan Rose <jordan_rose@apple.com> |
Revert "InlineObjCInstanceMethod.m: Remove lines introduced in r165079."
...and fix the run line so that the expected warnings are the same on
all platforms.
This reverts r165088 / d09074f0ca06626914108f1c0d4e70adeb851e01.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165124 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/Analysis/inlining/InlineObjCInstanceMethod.m
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| d09074f0ca06626914108f1c0d4e70adeb851e01 |
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03-Oct-2012 |
NAKAMURA Takumi <geek4civic@gmail.com> |
InlineObjCInstanceMethod.m: Remove lines introduced in r165079. It broke some builds, on FreeBSD, Linux and Windows.
error: 'warning' diagnostics expected but not seen:
Line 94: types are incompatible
1 error generated.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165088 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/Analysis/inlining/InlineObjCInstanceMethod.m
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| 48314cf6a289bc5a082d8c769c58a38f924c93b7 |
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03-Oct-2012 |
Jordan Rose <jordan_rose@apple.com> |
[analyzer] Adjust the return type of an inlined devirtualized method call.
In C++, overriding virtual methods are allowed to specify a covariant
return type -- that is, if the return type of the base method is an
object pointer type (or reference type), the overriding method's return
type can be a pointer to a subclass of the original type. The analyzer
was failing to take this into account when devirtualizing a method call,
and anything that relied on the return value having the proper type later
would crash.
In Objective-C, overriding methods are allowed to specify ANY return type,
meaning we can NEVER be sure that devirtualizing will give us a "safe"
return value. Of course, a program that does this will most likely crash
at runtime, but the analyzer at least shouldn't crash.
The solution is to check and see if the function/method being inlined is
the function that static binding would have picked. If not, check that
the return value has the same type. If the types don't match, see if we
can fix it with a derived-to-base cast (the C++ case). If we can't,
return UnknownVal to avoid crashing later.
<rdar://problem/12409977>
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165079 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/Analysis/inlining/InlineObjCInstanceMethod.m
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| 70e5b575e187beb10f4a10667d9f4f5227131c40 |
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24-Sep-2012 |
Anna Zaks <ganna@apple.com> |
[analyzer] Really turn on dynamic-bifurcation on by default.
Thanks to Byoungyoung for realizing taht we are not passing the default
option correctly.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164543 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/Analysis/inlining/InlineObjCInstanceMethod.m
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| 54918ba02ba900c0e0bb4fd3d749b6b1ac4e50a9 |
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10-Aug-2012 |
Anna Zaks <ganna@apple.com> |
[analyzer] Track if a region can be a subclass in the dynamic type info.
When object is allocated with alloc or init, we assume it cannot be a
subclass (currently used only for bifurcation purposes).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161682 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/Analysis/inlining/InlineObjCInstanceMethod.m
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| c7ecc43c33a21b82c49664910b19fcc1f555aa51 |
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07-Aug-2012 |
Anna Zaks <ganna@apple.com> |
[analyzer] Add a checker to manage dynamic type propagation.
Instead of sprinkling dynamic type info propagation throughout
ExprEngine, the added checker would add the more precise type
information on known APIs (Ex: ObjC alloc, new) and propagate
the type info in other cases (ex: ObjC init method, casts (the second is
not implemented yet)).
Add handling of ObjC alloc, new and init to the checker.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161357 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/Analysis/inlining/InlineObjCInstanceMethod.m
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| 148fee988e32efcad45ecf7b3bf714880c657dda |
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03-Aug-2012 |
Anna Zaks <ganna@apple.com> |
[analyzer] ObjC Inlining: Start tracking dynamic type info in the GDM
In the following code, find the type of the symbolic receiver by
following it and updating the dynamic type info in the state when we
cast the symbol from id to MyClass *.
MyClass *a = [[self alloc] init];
return 5/[a testSelf];
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161264 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/Analysis/inlining/InlineObjCInstanceMethod.m
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| 4fe64ad383c056774087113561063429103ac9a6 |
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31-Jul-2012 |
Jordan Rose <jordan_rose@apple.com> |
[analyzer] Don't try to inline if there's no region for a message receiver.
While usually we'd use a symbolic region rather than a straight-up Unknown,
we can still generate unknowns via array subscripts with symbolic indexes.
(And if this ever changes in the future, we still shouldn't crash.)
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161059 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/Analysis/inlining/InlineObjCInstanceMethod.m
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| 2d18419a7c8f9a2975d4ed74a202de6467308ad1 |
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30-Jul-2012 |
Anna Zaks <ganna@apple.com> |
[analyzer] Very simple ObjC instance method inlining
- Retrieves the type of the object/receiver from the state.
- Binds self during stack setup.
- Only explores the path on which the method is inlined (no
bifurcation to explore the path on which the method is not inlined).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160991 91177308-0d34-0410-b5e6-96231b3b80d8
/external/clang/test/Analysis/inlining/InlineObjCInstanceMethod.m
|