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Merge pull request #16450 from jketema/inconsistent

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C++: Add IR tests demonstrating some inconsistencies that may occur
This commit is contained in:
Jeroen Ketema
2024-05-08 13:32:01 +02:00
committed by GitHub
parent 9bc04e7591 6575927630
commit 7b89c6c7f7
9 changed files with 7892 additions and 7627 deletions
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6110
cpp/ql/test/library-tests/ir/ir/PrintAST.expected
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5168
cpp/ql/test/library-tests/ir/ir/aliased_ir.expected
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1
cpp/ql/test/library-tests/ir/ir/aliased_ssa_consistency.expected
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@@ -27,6 +27,7 @@ invalidOverlap
nonUniqueEnclosingIRFunction
fieldAddressOnNonPointer
thisArgumentIsNonPointer
| ir.cpp:2546:34:2546:34 | Call: call to operator bool | Call instruction 'Call: call to operator bool' has a `this` argument operand that is not an address, in function '$@'. | ir.cpp:2545:6:2545:23 | void this_inconsistency(bool) | void this_inconsistency(bool) |
nonUniqueIRVariable
| coroutines.cpp:87:20:87:20 | VariableAddress: (unnamed local variable) | Variable address instruction 'VariableAddress: (unnamed local variable)' has no associated variable, in function '$@'. | coroutines.cpp:87:20:87:33 | co_returnable_void co_return_void() | co_returnable_void co_return_void() |
| coroutines.cpp:87:20:87:20 | VariableAddress: (unnamed local variable) | Variable address instruction 'VariableAddress: (unnamed local variable)' has no associated variable, in function '$@'. | coroutines.cpp:87:20:87:33 | co_returnable_void co_return_void() | co_returnable_void co_return_void() |

1
cpp/ql/test/library-tests/ir/ir/aliased_ssa_consistency_unsound.expected
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@@ -27,6 +27,7 @@ invalidOverlap
nonUniqueEnclosingIRFunction
fieldAddressOnNonPointer
thisArgumentIsNonPointer
| ir.cpp:2546:34:2546:34 | Call: call to operator bool | Call instruction 'Call: call to operator bool' has a `this` argument operand that is not an address, in function '$@'. | ir.cpp:2545:6:2545:23 | void this_inconsistency(bool) | void this_inconsistency(bool) |
nonUniqueIRVariable
| coroutines.cpp:87:20:87:20 | VariableAddress: (unnamed local variable) | Variable address instruction 'VariableAddress: (unnamed local variable)' has no associated variable, in function '$@'. | coroutines.cpp:87:20:87:33 | co_returnable_void co_return_void() | co_returnable_void co_return_void() |
| coroutines.cpp:87:20:87:20 | VariableAddress: (unnamed local variable) | Variable address instruction 'VariableAddress: (unnamed local variable)' has no associated variable, in function '$@'. | coroutines.cpp:87:20:87:33 | co_returnable_void co_return_void() | co_returnable_void co_return_void() |

13
cpp/ql/test/library-tests/ir/ir/ir.cpp
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@@ -2191,6 +2191,7 @@ public:
void set_x(char y) { *x = y; }
char get_x() { return *x; }
operator bool() const;
};
constexpr bool initialization_with_destructor_bool = true;
@@ -2539,4 +2540,16 @@ void destructor_possibly_not_handled() {
}
}
ClassWithDestructor getClassWithDestructor();
void this_inconsistency(bool b) {
if (const ClassWithDestructor& a = getClassWithDestructor())
;
}
void constexpr_inconsistency(bool b) {
if constexpr (const ClassWithDestructor& a = getClassWithDestructor(); initialization_with_destructor_bool)
;
}
// semmle-extractor-options: -std=c++20 --clang

2
cpp/ql/test/library-tests/ir/ir/raw_consistency.expected
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@@ -21,6 +21,7 @@ lostReachability
backEdgeCountMismatch
useNotDominatedByDefinition
| ir.cpp:1535:8:1535:8 | Unary | Operand 'Unary' is not dominated by its definition in function '$@'. | ir.cpp:1535:8:1535:8 | void StructuredBindingDataMemberStruct::StructuredBindingDataMemberStruct() | void StructuredBindingDataMemberStruct::StructuredBindingDataMemberStruct() |
| ir.cpp:2551:48:2551:71 | Unary | Operand 'Unary' is not dominated by its definition in function '$@'. | ir.cpp:2550:6:2550:28 | void constexpr_inconsistency(bool) | void constexpr_inconsistency(bool) |
| try_except.c:13:13:13:13 | Left | Operand 'Left' is not dominated by its definition in function '$@'. | try_except.c:6:6:6:6 | void f() | void f() |
| try_except.c:13:13:13:13 | Left | Operand 'Left' is not dominated by its definition in function '$@'. | try_except.c:6:6:6:6 | void f() | void f() |
| try_except.c:39:15:39:15 | Left | Operand 'Left' is not dominated by its definition in function '$@'. | try_except.c:32:6:32:6 | void h(int) | void h(int) |
@@ -36,6 +37,7 @@ invalidOverlap
nonUniqueEnclosingIRFunction
fieldAddressOnNonPointer
thisArgumentIsNonPointer
| ir.cpp:2546:34:2546:34 | Call: call to operator bool | Call instruction 'Call: call to operator bool' has a `this` argument operand that is not an address, in function '$@'. | ir.cpp:2545:6:2545:23 | void this_inconsistency(bool) | void this_inconsistency(bool) |
nonUniqueIRVariable
| coroutines.cpp:87:20:87:20 | VariableAddress: (unnamed local variable) | Variable address instruction 'VariableAddress: (unnamed local variable)' has no associated variable, in function '$@'. | coroutines.cpp:87:20:87:33 | co_returnable_void co_return_void() | co_returnable_void co_return_void() |
| coroutines.cpp:87:20:87:20 | VariableAddress: (unnamed local variable) | Variable address instruction 'VariableAddress: (unnamed local variable)' has no associated variable, in function '$@'. | coroutines.cpp:87:20:87:33 | co_returnable_void co_return_void() | co_returnable_void co_return_void() |

4222
cpp/ql/test/library-tests/ir/ir/raw_ir.expected
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1
cpp/ql/test/library-tests/ir/ir/unaliased_ssa_consistency.expected
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@@ -27,6 +27,7 @@ invalidOverlap
nonUniqueEnclosingIRFunction
fieldAddressOnNonPointer
thisArgumentIsNonPointer
| ir.cpp:2546:34:2546:34 | Call: call to operator bool | Call instruction 'Call: call to operator bool' has a `this` argument operand that is not an address, in function '$@'. | ir.cpp:2545:6:2545:23 | void this_inconsistency(bool) | void this_inconsistency(bool) |
nonUniqueIRVariable
| coroutines.cpp:87:20:87:20 | VariableAddress: (unnamed local variable) | Variable address instruction 'VariableAddress: (unnamed local variable)' has no associated variable, in function '$@'. | coroutines.cpp:87:20:87:33 | co_returnable_void co_return_void() | co_returnable_void co_return_void() |
| coroutines.cpp:87:20:87:20 | VariableAddress: (unnamed local variable) | Variable address instruction 'VariableAddress: (unnamed local variable)' has no associated variable, in function '$@'. | coroutines.cpp:87:20:87:33 | co_returnable_void co_return_void() | co_returnable_void co_return_void() |

1
cpp/ql/test/library-tests/ir/ir/unaliased_ssa_consistency_unsound.expected
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@@ -27,6 +27,7 @@ invalidOverlap
nonUniqueEnclosingIRFunction
fieldAddressOnNonPointer
thisArgumentIsNonPointer
| ir.cpp:2546:34:2546:34 | Call: call to operator bool | Call instruction 'Call: call to operator bool' has a `this` argument operand that is not an address, in function '$@'. | ir.cpp:2545:6:2545:23 | void this_inconsistency(bool) | void this_inconsistency(bool) |
nonUniqueIRVariable
| coroutines.cpp:87:20:87:20 | VariableAddress: (unnamed local variable) | Variable address instruction 'VariableAddress: (unnamed local variable)' has no associated variable, in function '$@'. | coroutines.cpp:87:20:87:33 | co_returnable_void co_return_void() | co_returnable_void co_return_void() |
| coroutines.cpp:87:20:87:20 | VariableAddress: (unnamed local variable) | Variable address instruction 'VariableAddress: (unnamed local variable)' has no associated variable, in function '$@'. | coroutines.cpp:87:20:87:33 | co_returnable_void co_return_void() | co_returnable_void co_return_void() |