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C++: Add a test with '__try __except' and '__try __finally' in the 'ir' test directory.

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This commit is contained in:
Mathias Vorreiter Pedersen
2022-12-20 12:54:35 +00:00
parent 073e9bc52f
commit cd6e421cf5
9 changed files with 242 additions and 0 deletions
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109
cpp/ql/test/library-tests/ir/ir/PrintAST.expected
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@@ -14822,3 +14822,112 @@ struct_init.cpp:
# 41| Type = [PointerType] Info *
# 41| ValueCategory = prvalue
# 42| getStmt(2): [ReturnStmt] return ...
try_except.c:
# 3| [TopLevelFunction] void ProbeFunction()
# 3| <params>:
# 4| [TopLevelFunction] void sink()
# 4| <params>:
# 6| [TopLevelFunction] void f()
# 6| <params>:
# 6| getEntryPoint(): [BlockStmt] { ... }
# 7| getStmt(0): [DeclStmt] declaration
# 7| getDeclarationEntry(0): [VariableDeclarationEntry] definition of x
# 7| Type = [IntType] int
# 7| getDeclarationEntry(1): [VariableDeclarationEntry] definition of y
# 7| Type = [IntType] int
# 7| getVariable().getInitializer(): [Initializer] initializer for y
# 7| getExpr(): [Literal] 0
# 7| Type = [IntType] int
# 7| Value = [Literal] 0
# 7| ValueCategory = prvalue
# 8| getStmt(1): [MicrosoftTryExceptStmt] __try { ... } __except( ... ) { ... }
# 8| getStmt(): [BlockStmt] { ... }
# 9| getStmt(0): [ExprStmt] ExprStmt
# 9| getExpr(): [FunctionCall] call to ProbeFunction
# 9| Type = [VoidType] void
# 9| ValueCategory = prvalue
# 9| getArgument(0): [Literal] 0
# 9| Type = [IntType] int
# 9| Value = [Literal] 0
# 9| ValueCategory = prvalue
# 10| getStmt(1): [ExprStmt] ExprStmt
# 10| getExpr(): [AssignExpr] ... = ...
# 10| Type = [IntType] int
# 10| ValueCategory = prvalue
# 10| getLValue(): [VariableAccess] x
# 10| Type = [IntType] int
# 10| ValueCategory = lvalue
# 10| getRValue(): [VariableAccess] y
# 10| Type = [IntType] int
# 10| ValueCategory = prvalue(load)
# 11| getStmt(2): [ExprStmt] ExprStmt
# 11| getExpr(): [FunctionCall] call to ProbeFunction
# 11| Type = [VoidType] void
# 11| ValueCategory = prvalue
# 11| getArgument(0): [Literal] 0
# 11| Type = [IntType] int
# 11| Value = [Literal] 0
# 11| ValueCategory = prvalue
# 13| getCondition(): [Literal] 0
# 13| Type = [IntType] int
# 13| Value = [Literal] 0
# 13| ValueCategory = prvalue
# 13| getExcept(): [BlockStmt] { ... }
# 14| getStmt(0): [ExprStmt] ExprStmt
# 14| getExpr(): [FunctionCall] call to sink
# 14| Type = [VoidType] void
# 14| ValueCategory = prvalue
# 14| getArgument(0): [VariableAccess] x
# 14| Type = [IntType] int
# 14| ValueCategory = prvalue(load)
# 16| getStmt(2): [ReturnStmt] return ...
# 18| [TopLevelFunction] void g()
# 18| <params>:
# 18| getEntryPoint(): [BlockStmt] { ... }
# 19| getStmt(0): [DeclStmt] declaration
# 19| getDeclarationEntry(0): [VariableDeclarationEntry] definition of x
# 19| Type = [IntType] int
# 19| getDeclarationEntry(1): [VariableDeclarationEntry] definition of y
# 19| Type = [IntType] int
# 19| getVariable().getInitializer(): [Initializer] initializer for y
# 19| getExpr(): [Literal] 0
# 19| Type = [IntType] int
# 19| Value = [Literal] 0
# 19| ValueCategory = prvalue
# 20| getStmt(1): [MicrosoftTryFinallyStmt] __try { ... } __finally { ... }
# 20| getStmt(): [BlockStmt] { ... }
# 21| getStmt(0): [ExprStmt] ExprStmt
# 21| getExpr(): [FunctionCall] call to ProbeFunction
# 21| Type = [VoidType] void
# 21| ValueCategory = prvalue
# 21| getArgument(0): [Literal] 0
# 21| Type = [IntType] int
# 21| Value = [Literal] 0
# 21| ValueCategory = prvalue
# 22| getStmt(1): [ExprStmt] ExprStmt
# 22| getExpr(): [AssignExpr] ... = ...
# 22| Type = [IntType] int
# 22| ValueCategory = prvalue
# 22| getLValue(): [VariableAccess] x
# 22| Type = [IntType] int
# 22| ValueCategory = lvalue
# 22| getRValue(): [VariableAccess] y
# 22| Type = [IntType] int
# 22| ValueCategory = prvalue(load)
# 23| getStmt(2): [ExprStmt] ExprStmt
# 23| getExpr(): [FunctionCall] call to ProbeFunction
# 23| Type = [VoidType] void
# 23| ValueCategory = prvalue
# 23| getArgument(0): [Literal] 0
# 23| Type = [IntType] int
# 23| Value = [Literal] 0
# 23| ValueCategory = prvalue
# 25| getFinally(): [BlockStmt] { ... }
# 26| getStmt(0): [ExprStmt] ExprStmt
# 26| getExpr(): [FunctionCall] call to sink
# 26| Type = [VoidType] void
# 26| ValueCategory = prvalue
# 26| getArgument(0): [VariableAccess] x
# 26| Type = [IntType] int
# 26| ValueCategory = prvalue(load)
# 28| getStmt(2): [ReturnStmt] return ...

2
cpp/ql/test/library-tests/ir/ir/aliased_ssa_consistency.expected
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@@ -6,6 +6,8 @@ missingOperandType
duplicateChiOperand
sideEffectWithoutPrimary
instructionWithoutSuccessor
| try_except.c:7:13:7:14 | Store: 0 | Instruction 'Store: 0' has no successors in function '$@'. | try_except.c:6:6:6:6 | void f() | void f() |
| try_except.c:19:13:19:14 | Store: 0 | Instruction 'Store: 0' has no successors in function '$@'. | try_except.c:18:6:18:6 | void g() | void g() |
ambiguousSuccessors
unexplainedLoop
unnecessaryPhiInstruction

2
cpp/ql/test/library-tests/ir/ir/aliased_ssa_consistency_unsound.expected
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@@ -6,6 +6,8 @@ missingOperandType
duplicateChiOperand
sideEffectWithoutPrimary
instructionWithoutSuccessor
| try_except.c:7:13:7:14 | Store: 0 | Instruction 'Store: 0' has no successors in function '$@'. | try_except.c:6:6:6:6 | void f() | void f() |
| try_except.c:19:13:19:14 | Store: 0 | Instruction 'Store: 0' has no successors in function '$@'. | try_except.c:18:6:18:6 | void g() | void g() |
ambiguousSuccessors
unexplainedLoop
unnecessaryPhiInstruction

10
cpp/ql/test/library-tests/ir/ir/operand_locations.expected
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@@ -9140,3 +9140,13 @@
| struct_init.cpp:41:21:41:32 | ChiTotal | total:m41_7 |
| struct_init.cpp:41:21:41:32 | SideEffect | ~m41_7 |
| struct_init.cpp:41:21:41:32 | Unary | r41_3 |
| try_except.c:6:6:6:6 | ChiPartial | partial:m6_3 |
| try_except.c:6:6:6:6 | ChiTotal | total:m6_2 |
| try_except.c:7:7:7:7 | Address | &:r7_1 |
| try_except.c:7:10:7:10 | Address | &:r7_3 |
| try_except.c:7:13:7:14 | StoreValue | r7_4 |
| try_except.c:18:6:18:6 | ChiPartial | partial:m18_3 |
| try_except.c:18:6:18:6 | ChiTotal | total:m18_2 |
| try_except.c:19:7:19:7 | Address | &:r19_1 |
| try_except.c:19:10:19:10 | Address | &:r19_3 |
| try_except.c:19:13:19:14 | StoreValue | r19_4 |

7
cpp/ql/test/library-tests/ir/ir/raw_consistency.expected
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@@ -6,6 +6,13 @@ missingOperandType
duplicateChiOperand
sideEffectWithoutPrimary
instructionWithoutSuccessor
| try_except.c:7:13:7:14 | Store: 0 | Instruction 'Store: 0' has no successors in function '$@'. | try_except.c:6:6:6:6 | void f() | void f() |
| try_except.c:11:5:11:17 | CallSideEffect: call to ProbeFunction | Instruction 'CallSideEffect: call to ProbeFunction' has no successors in function '$@'. | try_except.c:6:6:6:6 | void f() | void f() |
| try_except.c:13:13:13:13 | Constant: 0 | Instruction 'Constant: 0' has no successors in function '$@'. | try_except.c:6:6:6:6 | void f() | void f() |
| try_except.c:14:5:14:8 | CallSideEffect: call to sink | Instruction 'CallSideEffect: call to sink' has no successors in function '$@'. | try_except.c:6:6:6:6 | void f() | void f() |
| try_except.c:19:13:19:14 | Store: 0 | Instruction 'Store: 0' has no successors in function '$@'. | try_except.c:18:6:18:6 | void g() | void g() |
| try_except.c:23:5:23:17 | CallSideEffect: call to ProbeFunction | Instruction 'CallSideEffect: call to ProbeFunction' has no successors in function '$@'. | try_except.c:18:6:18:6 | void g() | void g() |
| try_except.c:26:5:26:8 | CallSideEffect: call to sink | Instruction 'CallSideEffect: call to sink' has no successors in function '$@'. | try_except.c:18:6:18:6 | void g() | void g() |
ambiguousSuccessors
unexplainedLoop
unnecessaryPhiInstruction

80
cpp/ql/test/library-tests/ir/ir/raw_ir.expected
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@@ -10410,3 +10410,83 @@ struct_init.cpp:
# 36| v36_9(void) = ReturnVoid :
# 36| v36_10(void) = AliasedUse : ~m?
# 36| v36_11(void) = ExitFunction :
try_except.c:
# 6| void f()
# 6| Block 0
# 6| v6_1(void) = EnterFunction :
# 6| mu6_2(unknown) = AliasedDefinition :
# 6| mu6_3(unknown) = InitializeNonLocal :
# 7| r7_1(glval<int>) = VariableAddress[x] :
# 7| mu7_2(int) = Uninitialized[x] : &:r7_1
# 7| r7_3(glval<int>) = VariableAddress[y] :
# 7| r7_4(int) = Constant[0] :
# 7| mu7_5(int) = Store[y] : &:r7_3, r7_4
# 13| Block 1
# 13| r13_1(int) = Constant[0] :
# 9| Block 2
# 9| r9_1(glval<unknown>) = FunctionAddress[ProbeFunction] :
# 9| r9_2(int) = Constant[0] :
# 9| v9_3(void) = Call[ProbeFunction] : func:r9_1, 0:r9_2
# 9| mu9_4(unknown) = ^CallSideEffect : ~m?
# 10| r10_1(glval<int>) = VariableAddress[y] :
# 10| r10_2(int) = Load[y] : &:r10_1, ~m?
# 10| r10_3(glval<int>) = VariableAddress[x] :
# 10| mu10_4(int) = Store[x] : &:r10_3, r10_2
# 11| r11_1(glval<unknown>) = FunctionAddress[ProbeFunction] :
# 11| r11_2(int) = Constant[0] :
# 11| v11_3(void) = Call[ProbeFunction] : func:r11_1, 0:r11_2
# 11| mu11_4(unknown) = ^CallSideEffect : ~m?
# 14| Block 2
# 14| r14_1(glval<unknown>) = FunctionAddress[sink] :
# 14| r14_2(glval<int>) = VariableAddress[x] :
# 14| r14_3(int) = Load[x] : &:r14_2, ~m?
# 14| v14_4(void) = Call[sink] : func:r14_1, 0:r14_3
# 14| mu14_5(unknown) = ^CallSideEffect : ~m?
# 16| Block 4
# 16| v16_1(void) = NoOp :
# 6| v6_4(void) = ReturnVoid :
# 6| v6_5(void) = AliasedUse : ~m?
# 6| v6_6(void) = ExitFunction :
# 18| void g()
# 18| Block 0
# 18| v18_1(void) = EnterFunction :
# 18| mu18_2(unknown) = AliasedDefinition :
# 18| mu18_3(unknown) = InitializeNonLocal :
# 19| r19_1(glval<int>) = VariableAddress[x] :
# 19| mu19_2(int) = Uninitialized[x] : &:r19_1
# 19| r19_3(glval<int>) = VariableAddress[y] :
# 19| r19_4(int) = Constant[0] :
# 19| mu19_5(int) = Store[y] : &:r19_3, r19_4
# 21| Block 1
# 21| r21_1(glval<unknown>) = FunctionAddress[ProbeFunction] :
# 21| r21_2(int) = Constant[0] :
# 21| v21_3(void) = Call[ProbeFunction] : func:r21_1, 0:r21_2
# 21| mu21_4(unknown) = ^CallSideEffect : ~m?
# 22| r22_1(glval<int>) = VariableAddress[y] :
# 22| r22_2(int) = Load[y] : &:r22_1, ~m?
# 22| r22_3(glval<int>) = VariableAddress[x] :
# 22| mu22_4(int) = Store[x] : &:r22_3, r22_2
# 23| r23_1(glval<unknown>) = FunctionAddress[ProbeFunction] :
# 23| r23_2(int) = Constant[0] :
# 23| v23_3(void) = Call[ProbeFunction] : func:r23_1, 0:r23_2
# 23| mu23_4(unknown) = ^CallSideEffect : ~m?
# 26| Block 1
# 26| r26_1(glval<unknown>) = FunctionAddress[sink] :
# 26| r26_2(glval<int>) = VariableAddress[x] :
# 26| r26_3(int) = Load[x] : &:r26_2, ~m?
# 26| v26_4(void) = Call[sink] : func:r26_1, 0:r26_3
# 26| mu26_5(unknown) = ^CallSideEffect : ~m?
# 28| Block 3
# 28| v28_1(void) = NoOp :
# 18| v18_4(void) = ReturnVoid :
# 18| v18_5(void) = AliasedUse : ~m?
# 18| v18_6(void) = ExitFunction :

28
cpp/ql/test/library-tests/ir/ir/try_except.c Normal file
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@@ -0,0 +1,28 @@
// semmle-extractor-options: --microsoft
void ProbeFunction();
void sink();
void f() {
int x, y = 0;
__try {
ProbeFunction(0);
x = y;
ProbeFunction(0);
}
__except (0) {
sink(x);
}
}
void g() {
int x, y = 0;
__try {
ProbeFunction(0);
x = y;
ProbeFunction(0);
}
__finally {
sink(x);
}
}

2
cpp/ql/test/library-tests/ir/ir/unaliased_ssa_consistency.expected
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@@ -6,6 +6,8 @@ missingOperandType
duplicateChiOperand
sideEffectWithoutPrimary
instructionWithoutSuccessor
| try_except.c:7:13:7:14 | Store: 0 | Instruction 'Store: 0' has no successors in function '$@'. | try_except.c:6:6:6:6 | void f() | void f() |
| try_except.c:19:13:19:14 | Store: 0 | Instruction 'Store: 0' has no successors in function '$@'. | try_except.c:18:6:18:6 | void g() | void g() |
ambiguousSuccessors
unexplainedLoop
unnecessaryPhiInstruction

2
cpp/ql/test/library-tests/ir/ir/unaliased_ssa_consistency_unsound.expected
View File

@@ -6,6 +6,8 @@ missingOperandType
duplicateChiOperand
sideEffectWithoutPrimary
instructionWithoutSuccessor
| try_except.c:7:13:7:14 | Store: 0 | Instruction 'Store: 0' has no successors in function '$@'. | try_except.c:6:6:6:6 | void f() | void f() |
| try_except.c:19:13:19:14 | Store: 0 | Instruction 'Store: 0' has no successors in function '$@'. | try_except.c:18:6:18:6 | void g() | void g() |
ambiguousSuccessors
unexplainedLoop
unnecessaryPhiInstruction