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Differential D16403 Diff 106408 test/Analysis/scopes-cfg-output.cpp

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test/Analysis/scopes-cfg-output.cpp

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// RUN: %clang_cc1 -fcxx-exceptions -fexceptions -analyze -analyzer-checker=debug.DumpCFG -analyzer-config cfg-scopes=true %s > %t 2>&1
// RUN: FileCheck --input-file=%t %s
class A {
public:
// CHECK: [B1 (ENTRY)]
// CHECK-NEXT: Succs (1): B0
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (1): B1
A() {}
// CHECK: [B1 (ENTRY)]
// CHECK-NEXT: Succs (1): B0
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (1): B1
~A() {}
// CHECK: [B2 (ENTRY)]
// CHECK-NEXT: Succs (1): B1
// CHECK: [B1]
// CHECK-NEXT: 1: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 2: 1
// CHECK-NEXT: 3: return [B1.2];
// CHECK-NEXT: 4: CFGScopeEnd(ReturnStmt)
// CHECK-NEXT: Preds (1): B2
// CHECK-NEXT: Succs (1): B0
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (1): B1
operator int() const { return 1; }
};
int getX();
extern const bool UV;
// CHECK: [B2 (ENTRY)]
// CHECK-NEXT: Succs (1): B1
// CHECK: [B1]
// CHECK-NEXT: 1: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 2: (CXXConstructExpr, class A)
// CHECK-NEXT: 3: A a;
// CHECK-NEXT: 4: a
// CHECK-NEXT: 5: [B1.4] (ImplicitCastExpr, NoOp, const class A)
// CHECK-NEXT: 6: const A &b = a;
// CHECK-NEXT: 7: A() (CXXConstructExpr, class A)
// CHECK-NEXT: 8: [B1.7] (BindTemporary)
// CHECK-NEXT: 9: [B1.8] (ImplicitCastExpr, NoOp, const class A)
// CHECK-NEXT: 10: [B1.9]
// CHECK-NEXT: 11: const A &c = A();
// CHECK-NEXT: 12: [B1.11].~A() (Implicit destructor)
// CHECK-NEXT: 13: [B1.3].~A() (Implicit destructor)
// CHECK-NEXT: 14: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: Preds (1): B2
// CHECK-NEXT: Succs (1): B0
// CHECK: [B0 (EXIT)]
void test_const_ref() {
A a;
const A& b = a;
const A& c = A();
}
// CHECK: [B2 (ENTRY)]
// CHECK-NEXT: Succs (1): B1
// CHECK: [B1]
// CHECK-NEXT: 1: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 2: (CXXConstructExpr, class A [2])
// CHECK-NEXT: 3: A a[2];
// CHECK-NEXT: 4: (CXXConstructExpr, class A [0])
// CHECK-NEXT: 5: A b[0];
// CHECK-NEXT: 6: [B1.3].~A() (Implicit destructor)
// CHECK-NEXT: 7: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: Preds (1): B2
// CHECK-NEXT: Succs (1): B0
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (1): B1
void test_array() {
A a[2];
A b[0];
}
// CHECK: [B2 (ENTRY)]
// CHECK-NEXT: Succs (1): B1
// CHECK: [B1]
// CHECK-NEXT: 1: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 2: (CXXConstructExpr, class A)
// CHECK-NEXT: 3: A a;
// CHECK-NEXT: 4: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 5: (CXXConstructExpr, class A)
// CHECK-NEXT: 6: A c;
// CHECK-NEXT: 7: (CXXConstructExpr, class A)
// CHECK-NEXT: 8: A d;
// CHECK-NEXT: 9: [B1.8].~A() (Implicit destructor)
// CHECK-NEXT: 10: [B1.6].~A() (Implicit destructor)
// CHECK-NEXT: 11: (CXXConstructExpr, class A)
// CHECK-NEXT: 12: A b;
// CHECK-NEXT: 13: [B1.12].~A() (Implicit destructor)
// CHECK-NEXT: 14: [B1.3].~A() (Implicit destructor)
// CHECK-NEXT: 15: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: 16: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: Preds (1): B2
// CHECK-NEXT: Succs (1): B0
// CHECK: [B0 (EXIT)]
void test_scope() {
A a;
{ A c;
A d;
}
A b;
}
// CHECK: [B4 (ENTRY)]
// CHECK-NEXT: Succs (1): B3
// CHECK: [B1]
// CHECK-NEXT: 1: (CXXConstructExpr, class A)
// CHECK-NEXT: 2: A c;
// CHECK-NEXT: 3: [B1.2].~A() (Implicit destructor)
// CHECK-NEXT: 4: [B3.5].~A() (Implicit destructor)
// CHECK-NEXT: 5: [B3.3].~A() (Implicit destructor)
// CHECK-NEXT: 6: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: Preds (1): B3
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: CFGScopeBegin(IfStmt)
// CHECK-NEXT: 2: return;
// CHECK-NEXT: 3: [B3.5].~A() (Implicit destructor)
// CHECK-NEXT: 4: [B3.3].~A() (Implicit destructor)
// CHECK-NEXT: 5: CFGScopeEnd(ReturnStmt)
// CHECK-NEXT: Preds (1): B3
// CHECK-NEXT: Succs (1): B0
// CHECK: [B3]
// CHECK-NEXT: 1: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 2: (CXXConstructExpr, class A)
// CHECK-NEXT: 3: A a;
// CHECK-NEXT: 4: (CXXConstructExpr, class A)
// CHECK-NEXT: 5: A b;
// CHECK-NEXT: 6: UV
// CHECK-NEXT: 7: [B3.6] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B3.7]
// CHECK-NEXT: Preds (1): B4
// CHECK-NEXT: Succs (2): B2 B1
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (2): B1 B2
void test_return() {
A a;
A b;
if (UV) return;
A c;
}
// CHECK: [B5 (ENTRY)]
// CHECK-NEXT: Succs (1): B4
// CHECK: [B1]
// CHECK-NEXT: 1: CFGScopeEnd(DeclStmt)
// CHECK-NEXT: 2: [B4.8].~A() (Implicit destructor)
// CHECK-NEXT: 3: [B4.3].~A() (Implicit destructor)
// CHECK-NEXT: 4: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: Preds (2): B2 B3
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: CFGScopeBegin(IfStmt)
// CHECK-NEXT: 2: (CXXConstructExpr, class A)
// CHECK-NEXT: 3: A c;
// CHECK-NEXT: 4: [B2.3].~A() (Implicit destructor)
// CHECK-NEXT: 5: CFGScopeEnd(IfStmt)
// CHECK-NEXT: Preds (1): B4
// CHECK-NEXT: Succs (1): B1
// CHECK: [B3]
// CHECK-NEXT: 1: CFGScopeBegin(IfStmt)
// CHECK-NEXT: 2: (CXXConstructExpr, class A)
// CHECK-NEXT: 3: A c;
// CHECK-NEXT: 4: [B3.3].~A() (Implicit destructor)
// CHECK-NEXT: 5: CFGScopeEnd(IfStmt)
// CHECK-NEXT: Preds (1): B4
// CHECK-NEXT: Succs (1): B1
// CHECK: [B4]
// CHECK-NEXT: 1: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 2: (CXXConstructExpr, class A)
// CHECK-NEXT: 3: A a;
// CHECK-NEXT: 4: CFGScopeBegin(DeclStmt)
// CHECK-NEXT: 5: a
// CHECK-NEXT: 6: [B4.5] (ImplicitCastExpr, NoOp, const class A)
// CHECK-NEXT: 7: [B4.6] (CXXConstructExpr, class A)
// CHECK-NEXT: 8: A b = a;
// CHECK-NEXT: 9: b
// CHECK-NEXT: 10: [B4.9] (ImplicitCastExpr, NoOp, const class A)
// CHECK-NEXT: 11: [B4.10].operator int
// CHECK-NEXT: 12: [B4.10]
// CHECK-NEXT: 13: [B4.12] (ImplicitCastExpr, UserDefinedConversion, int)
// CHECK-NEXT: 14: [B4.13] (ImplicitCastExpr, IntegralToBoolean, _Bool)
// CHECK-NEXT: T: if [B4.14]
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (2): B3 B2
// CHECK: [B0 (EXIT)]
void test_if_implicit_scope() {
A a;
if (A b = a)
A c;
else A c;
}
// CHECK: [B9 (ENTRY)]
// CHECK-NEXT: Succs (1): B8
// CHECK: [B1]
// CHECK-NEXT: 1: CFGScopeEnd(DeclStmt)
// CHECK-NEXT: 2: [B8.8].~A() (Implicit destructor)
// CHECK-NEXT: 3: (CXXConstructExpr, class A)
// CHECK-NEXT: 4: A e;
// CHECK-NEXT: 5: [B1.4].~A() (Implicit destructor)
// CHECK-NEXT: 6: [B8.3].~A() (Implicit destructor)
// CHECK-NEXT: 7: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: Preds (2): B2 B5
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: (CXXConstructExpr, class A)
// CHECK-NEXT: 2: A d;
// CHECK-NEXT: 3: [B2.2].~A() (Implicit destructor)
// CHECK-NEXT: 4: [B4.3].~A() (Implicit destructor)
// CHECK-NEXT: 5: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: Preds (1): B4
// CHECK-NEXT: Succs (1): B1
// CHECK: [B3]
// CHECK-NEXT: 1: CFGScopeBegin(IfStmt)
// CHECK-NEXT: 2: return;
// CHECK-NEXT: 3: [B4.3].~A() (Implicit destructor)
// CHECK-NEXT: 4: [B8.8].~A() (Implicit destructor)
// CHECK-NEXT: 5: [B8.3].~A() (Implicit destructor)
// CHECK-NEXT: 6: CFGScopeEnd(ReturnStmt)
// CHECK-NEXT: Preds (1): B4
// CHECK-NEXT: Succs (1): B0
// CHECK: [B4]
// CHECK-NEXT: 1: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 2: (CXXConstructExpr, class A)
// CHECK-NEXT: 3: A c;
// CHECK-NEXT: 4: UV
// CHECK-NEXT: 5: [B4.4] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B4.5]
// CHECK-NEXT: Preds (1): B8
// CHECK-NEXT: Succs (2): B3 B2
// CHECK: [B5]
// CHECK-NEXT: 1: (CXXConstructExpr, class A)
// CHECK-NEXT: 2: A d;
// CHECK-NEXT: 3: [B5.2].~A() (Implicit destructor)
// CHECK-NEXT: 4: [B7.3].~A() (Implicit destructor)
// CHECK-NEXT: 5: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: Preds (1): B7
// CHECK-NEXT: Succs (1): B1
// CHECK: [B6]
// CHECK-NEXT: 1: CFGScopeBegin(IfStmt)
// CHECK-NEXT: 2: return;
// CHECK-NEXT: 3: [B7.3].~A() (Implicit destructor)
// CHECK-NEXT: 4: [B8.8].~A() (Implicit destructor)
// CHECK-NEXT: 5: [B8.3].~A() (Implicit destructor)
// CHECK-NEXT: 6: CFGScopeEnd(ReturnStmt)
// CHECK-NEXT: Preds (1): B7
// CHECK-NEXT: Succs (1): B0
// CHECK: [B7]
// CHECK-NEXT: 1: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 2: (CXXConstructExpr, class A)
// CHECK-NEXT: 3: A c;
// CHECK-NEXT: 4: UV
// CHECK-NEXT: 5: [B7.4] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B7.5]
// CHECK-NEXT: Preds (1): B8
// CHECK-NEXT: Succs (2): B6 B5
// CHECK: [B8]
// CHECK-NEXT: 1: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 2: (CXXConstructExpr, class A)
// CHECK-NEXT: 3: A a;
// CHECK-NEXT: 4: CFGScopeBegin(DeclStmt)
// CHECK-NEXT: 5: a
// CHECK-NEXT: 6: [B8.5] (ImplicitCastExpr, NoOp, const class A)
// CHECK-NEXT: 7: [B8.6] (CXXConstructExpr, class A)
// CHECK-NEXT: 8: A b = a;
// CHECK-NEXT: 9: b
// CHECK-NEXT: 10: [B8.9] (ImplicitCastExpr, NoOp, const class A)
// CHECK-NEXT: 11: [B8.10].operator int
// CHECK-NEXT: 12: [B8.10]
// CHECK-NEXT: 13: [B8.12] (ImplicitCastExpr, UserDefinedConversion, int)
// CHECK-NEXT: 14: [B8.13] (ImplicitCastExpr, IntegralToBoolean, _Bool)
// CHECK-NEXT: T: if [B8.14]
// CHECK-NEXT: Preds (1): B9
// CHECK-NEXT: Succs (2): B7 B4
// CHECK: [B0 (EXIT)]
void test_if_jumps() {
A a;
if (A b = a) {
A c;
if (UV) return;
A d;
} else {
A c;
if (UV) return;
A d;
}
A e;
}
// CHECK: [B12 (ENTRY)]
// CHECK-NEXT: Succs (1): B11
// CHECK: [B1]
// CHECK-NEXT: 1: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: Preds (2): B2 B9
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: CFGScopeEnd(IfStmt)
// CHECK-NEXT: Preds (2): B3 B6
// CHECK-NEXT: Succs (1): B1
// CHECK: [B3]
// CHECK-NEXT: 1: CFGScopeEnd(IfStmt)
// CHECK-NEXT: Preds (2): B4 B5
// CHECK-NEXT: Succs (1): B2
// CHECK: [B4]
// CHECK-NEXT: 1: CFGScopeBegin(IfStmt)
// CHECK-NEXT: 2: 'a'
// CHECK-NEXT: 3: char c = 'a';
// CHECK-NEXT: 4: CFGScopeEnd(IfStmt)
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (1): B3
// CHECK: [B5]
// CHECK-NEXT: 1: CFGScopeBegin(IfStmt)
// CHECK-NEXT: 2: a
// CHECK-NEXT: 3: [B5.2] (ImplicitCastExpr, LValueToRValue, int)
// CHECK-NEXT: 4: [B5.3] (ImplicitCastExpr, IntegralToBoolean, _Bool)
// CHECK-NEXT: 5: ![B5.4]
// CHECK-NEXT: T: if [B5.5]
// CHECK-NEXT: Preds (2): B7 B8
// CHECK-NEXT: Succs (2): B4 B3
// CHECK: [B6]
// CHECK-NEXT: 1: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 2: 2
// CHECK-NEXT: 3: a
// CHECK-NEXT: 4: [B6.3] = [B6.2]
// CHECK-NEXT: 5: 3
// CHECK-NEXT: 6: b
// CHECK-NEXT: 7: [B6.6] = [B6.5]
// CHECK-NEXT: 8: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: Preds (1): B7
// CHECK-NEXT: Succs (1): B2
// CHECK: [B7]
// CHECK-NEXT: 1: b
// CHECK-NEXT: 2: [B7.1] (ImplicitCastExpr, LValueToRValue, int)
// CHECK-NEXT: 3: [B7.2] (ImplicitCastExpr, IntegralToBoolean, _Bool)
// CHECK-NEXT: 4: ![B7.3]
// CHECK-NEXT: T: if [B8.4] && [B7.4]
// CHECK-NEXT: Preds (1): B8
// CHECK-NEXT: Succs (2): B6 B5
// CHECK: [B8]
// CHECK-NEXT: 1: CFGScopeBegin(IfStmt)
// CHECK-NEXT: 2: a
// CHECK-NEXT: 3: [B8.2] (ImplicitCastExpr, LValueToRValue, int)
// CHECK-NEXT: 4: [B8.3] (ImplicitCastExpr, IntegralToBoolean, _Bool)
// CHECK-NEXT: T: [B8.4] && ...
// CHECK-NEXT: Preds (2): B10 B11
// CHECK-NEXT: Succs (2): B7 B5
// CHECK: [B9]
// CHECK-NEXT: 1: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 2: 0
// CHECK-NEXT: 3: a
// CHECK-NEXT: 4: [B9.3] = [B9.2]
// CHECK-NEXT: 5: 1
// CHECK-NEXT: 6: b
// CHECK-NEXT: 7: [B9.6] = [B9.5]
// CHECK-NEXT: 8: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: Preds (1): B10
// CHECK-NEXT: Succs (1): B1
// CHECK: [B10]
// CHECK-NEXT: 1: b
// CHECK-NEXT: 2: [B10.1] (ImplicitCastExpr, LValueToRValue, int)
// CHECK-NEXT: 3: [B10.2] (ImplicitCastExpr, IntegralToBoolean, _Bool)
// CHECK-NEXT: T: if [B11.4] && [B10.3]
// CHECK-NEXT: Preds (1): B11
// CHECK-NEXT: Succs (2): B9 B8
// CHECK: [B11]
// CHECK-NEXT: 1: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 2: a
// CHECK-NEXT: 3: [B11.2] (ImplicitCastExpr, LValueToRValue, int)
// CHECK-NEXT: 4: [B11.3] (ImplicitCastExpr, IntegralToBoolean, _Bool)
// CHECK-NEXT: T: [B11.4] && ...
// CHECK-NEXT: Preds (1): B12
// CHECK-NEXT: Succs (2): B10 B8
// CHECK: [B0 (EXIT)]
int a, b;
void text_if_with_and() {
if (a && b) {
a = 0;
b = 1;
} else if (a && !b) {
a = 2;
b = 3;
} else if (!a)
char c = 'a';
}
// CHECK: [B6 (ENTRY)]
// CHECK-NEXT: Succs (1): B5
// CHECK: [B1]
// CHECK-NEXT: 1: CFGScopeEnd(CXXConstructExpr)
// CHECK-NEXT: 2: [B4.5].~A() (Implicit destructor)
// CHECK-NEXT: 3: [B5.3].~A() (Implicit destructor)
// CHECK-NEXT: 4: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: Preds (1): B4
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: CFGScopeEnd(CXXConstructExpr)
// CHECK-NEXT: Preds (1): B3
// CHECK-NEXT: Succs (1): B4
// CHECK: [B3]
// CHECK-NEXT: 1: CFGScopeBegin(WhileStmt)
// CHECK-NEXT: 2: (CXXConstructExpr, class A)
// CHECK-NEXT: 3: A c;
// CHECK-NEXT: 4: [B3.3].~A() (Implicit destructor)
// CHECK-NEXT: 5: [B4.5].~A() (Implicit destructor)
// CHECK-NEXT: 6: CFGScopeEnd(WhileStmt)
// CHECK-NEXT: Preds (1): B4
// CHECK-NEXT: Succs (1): B2
// CHECK: [B4]
// CHECK-NEXT: 1: CFGScopeBegin(CXXConstructExpr)
// CHECK-NEXT: 2: a
// CHECK-NEXT: 3: [B4.2] (ImplicitCastExpr, NoOp, const class A)
// CHECK-NEXT: 4: [B4.3] (CXXConstructExpr, class A)
// CHECK-NEXT: 5: A b = a;
// CHECK-NEXT: 6: b
// CHECK-NEXT: 7: [B4.6] (ImplicitCastExpr, NoOp, const class A)
// CHECK-NEXT: 8: [B4.7].operator int
// CHECK-NEXT: 9: [B4.7]
// CHECK-NEXT: 10: [B4.9] (ImplicitCastExpr, UserDefinedConversion, int)
// CHECK-NEXT: 11: [B4.10] (ImplicitCastExpr, IntegralToBoolean, _Bool)
// CHECK-NEXT: T: while [B4.11]
// CHECK-NEXT: Preds (2): B2 B5
// CHECK-NEXT: Succs (2): B3 B1
// CHECK: [B5]
// CHECK-NEXT: 1: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 2: (CXXConstructExpr, class A)
// CHECK-NEXT: 3: A a;
// CHECK-NEXT: Preds (1): B6
// CHECK-NEXT: Succs (1): B4
// CHECK: [B0 (EXIT)]
void test_while_implicit_scope() {
A a;
while (A b = a)
A c;
}
// CHECK: [B12 (ENTRY)]
// CHECK-NEXT: Succs (1): B11
// CHECK: [B1]
// CHECK-NEXT: 1: CFGScopeEnd(CXXConstructExpr)
// CHECK-NEXT: 2: [B10.5].~A() (Implicit destructor)
// CHECK-NEXT: 3: (CXXConstructExpr, class A)
// CHECK-NEXT: 4: A e;
// CHECK-NEXT: 5: [B1.4].~A() (Implicit destructor)
// CHECK-NEXT: 6: [B11.3].~A() (Implicit destructor)
// CHECK-NEXT: 7: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: Preds (2): B8 B10
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: CFGScopeEnd(CXXConstructExpr)
// CHECK-NEXT: Preds (2): B3 B6
// CHECK-NEXT: Succs (1): B10
// CHECK: [B3]
// CHECK-NEXT: 1: (CXXConstructExpr, class A)
// CHECK-NEXT: 2: A d;
// CHECK-NEXT: 3: [B3.2].~A() (Implicit destructor)
// CHECK-NEXT: 4: [B9.3].~A() (Implicit destructor)
// CHECK-NEXT: 5: [B10.5].~A() (Implicit destructor)
// CHECK-NEXT: 6: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (1): B2
// CHECK: [B4]
// CHECK-NEXT: 1: CFGScopeBegin(IfStmt)
// CHECK-NEXT: 2: return;
// CHECK-NEXT: 3: [B9.3].~A() (Implicit destructor)
// CHECK-NEXT: 4: [B10.5].~A() (Implicit destructor)
// CHECK-NEXT: 5: [B11.3].~A() (Implicit destructor)
// CHECK-NEXT: 6: CFGScopeEnd(ReturnStmt)
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (1): B0
// CHECK: [B5]
// CHECK-NEXT: 1: UV
// CHECK-NEXT: 2: [B5.1] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B5.2]
// CHECK-NEXT: Preds (1): B7
// CHECK-NEXT: Succs (2): B4 B3
// CHECK: [B6]
// CHECK-NEXT: 1: CFGScopeBegin(IfStmt)
// CHECK-NEXT: 2: [B9.3].~A() (Implicit destructor)
// CHECK-NEXT: 3: [B10.5].~A() (Implicit destructor)
// CHECK-NEXT: 4: CFGScopeEnd(ContinueStmt)
// CHECK-NEXT: T: continue;
// CHECK-NEXT: Preds (1): B7
// CHECK-NEXT: Succs (1): B2
// CHECK: [B7]
// CHECK-NEXT: 1: UV
// CHECK-NEXT: 2: [B7.1] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B7.2]
// CHECK-NEXT: Preds (1): B9
// CHECK-NEXT: Succs (2): B6 B5
// CHECK: [B8]
// CHECK-NEXT: 1: CFGScopeBegin(IfStmt)
// CHECK-NEXT: 2: [B9.3].~A() (Implicit destructor)
// CHECK-NEXT: 3: CFGScopeEnd(BreakStmt)
// CHECK-NEXT: T: break;
// CHECK-NEXT: Preds (1): B9
// CHECK-NEXT: Succs (1): B1
// CHECK: [B9]
// CHECK-NEXT: 1: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 2: (CXXConstructExpr, class A)
// CHECK-NEXT: 3: A c;
// CHECK-NEXT: 4: UV
// CHECK-NEXT: 5: [B9.4] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B9.5]
// CHECK-NEXT: Preds (1): B10
// CHECK-NEXT: Succs (2): B8 B7
// CHECK: [B10]
// CHECK-NEXT: 1: CFGScopeBegin(CXXConstructExpr)
// CHECK-NEXT: 2: a
// CHECK-NEXT: 3: [B10.2] (ImplicitCastExpr, NoOp, const class A)
// CHECK-NEXT: 4: [B10.3] (CXXConstructExpr, class A)
// CHECK-NEXT: 5: A b = a;
// CHECK-NEXT: 6: b
// CHECK-NEXT: 7: [B10.6] (ImplicitCastExpr, NoOp, const class A)
// CHECK-NEXT: 8: [B10.7].operator int
// CHECK-NEXT: 9: [B10.7]
// CHECK-NEXT: 10: [B10.9] (ImplicitCastExpr, UserDefinedConversion, int)
// CHECK-NEXT: 11: [B10.10] (ImplicitCastExpr, IntegralToBoolean, _Bool)
// CHECK-NEXT: T: while [B10.11]
// CHECK-NEXT: Preds (2): B2 B11
// CHECK-NEXT: Succs (2): B9 B1
// CHECK: [B11]
// CHECK-NEXT: 1: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 2: (CXXConstructExpr, class A)
// CHECK-NEXT: 3: A a;
// CHECK-NEXT: Preds (1): B12
// CHECK-NEXT: Succs (1): B10
// CHECK: [B0 (EXIT)]
void test_while_jumps() {
A a;
while (A b = a) {
A c;
if (UV) break;
if (UV) continue;
if (UV) return;
A d;
}
A e;
}
// CHECK: [B12 (ENTRY)]
// CHECK-NEXT: Succs (1): B11
// CHECK: [B1]
// CHECK-NEXT: 1: (CXXConstructExpr, class A)
// CHECK-NEXT: 2: A d;
// CHECK-NEXT: 3: [B1.2].~A() (Implicit destructor)
// CHECK-NEXT: 4: [B11.3].~A() (Implicit destructor)
// CHECK-NEXT: 5: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: Preds (2): B8 B2
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: UV
// CHECK-NEXT: 2: [B2.1] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: do ... while [B2.2]
// CHECK-NEXT: Preds (2): B3 B6
// CHECK-NEXT: Succs (2): B10 B1
// CHECK: [B3]
// CHECK-NEXT: 1: (CXXConstructExpr, class A)
// CHECK-NEXT: 2: A c;
// CHECK-NEXT: 3: [B3.2].~A() (Implicit destructor)
// CHECK-NEXT: 4: [B9.3].~A() (Implicit destructor)
// CHECK-NEXT: 5: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (1): B2
// CHECK: [B4]
// CHECK-NEXT: 1: CFGScopeBegin(IfStmt)
// CHECK-NEXT: 2: return;
// CHECK-NEXT: 3: [B9.3].~A() (Implicit destructor)
// CHECK-NEXT: 4: [B11.3].~A() (Implicit destructor)
// CHECK-NEXT: 5: CFGScopeEnd(ReturnStmt)
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (1): B0
// CHECK: [B5]
// CHECK-NEXT: 1: UV
// CHECK-NEXT: 2: [B5.1] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B5.2]
// CHECK-NEXT: Preds (1): B7
// CHECK-NEXT: Succs (2): B4 B3
// CHECK: [B6]
// CHECK-NEXT: 1: CFGScopeBegin(IfStmt)
// CHECK-NEXT: 2: [B9.3].~A() (Implicit destructor)
// CHECK-NEXT: 3: CFGScopeEnd(ContinueStmt)
// CHECK-NEXT: T: continue;
// CHECK-NEXT: Preds (1): B7
// CHECK-NEXT: Succs (1): B2
// CHECK: [B7]
// CHECK-NEXT: 1: UV
// CHECK-NEXT: 2: [B7.1] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B7.2]
// CHECK-NEXT: Preds (1): B9
// CHECK-NEXT: Succs (2): B6 B5
// CHECK: [B8]
// CHECK-NEXT: 1: CFGScopeBegin(IfStmt)
// CHECK-NEXT: 2: [B9.3].~A() (Implicit destructor)
// CHECK-NEXT: 3: CFGScopeEnd(BreakStmt)
// CHECK-NEXT: T: break;
// CHECK-NEXT: Preds (1): B9
// CHECK-NEXT: Succs (1): B1
// CHECK: [B9]
// CHECK-NEXT: 1: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 2: (CXXConstructExpr, class A)
// CHECK-NEXT: 3: A b;
// CHECK-NEXT: 4: UV
// CHECK-NEXT: 5: [B9.4] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B9.5]
// CHECK-NEXT: Preds (2): B10 B11
// CHECK-NEXT: Succs (2): B8 B7
// CHECK: [B10]
// CHECK-NEXT: Preds (1): B2
// CHECK-NEXT: Succs (1): B9
// CHECK: [B11]
// CHECK-NEXT: 1: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 2: (CXXConstructExpr, class A)
// CHECK-NEXT: 3: A a;
// CHECK-NEXT: Preds (1): B12
// CHECK-NEXT: Succs (1): B9
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (2): B1 B4
void test_do_jumps() {
A a;
do {
A b;
if (UV) break;
if (UV) continue;
if (UV) return;
A c;
} while (UV);
A d;
}
// CHECK: [B6 (ENTRY)]
// CHECK-NEXT: Succs (1): B5
// CHECK: [B1]
// CHECK-NEXT: 1: CFGScopeEnd(DeclStmt)
// CHECK-NEXT: 2: [B4.5].~A() (Implicit destructor)
// CHECK-NEXT: 3: [B5.3].~A() (Implicit destructor)
// CHECK-NEXT: 4: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: Preds (1): B4
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: CFGScopeEnd(DeclStmt)
// CHECK-NEXT: Preds (1): B3
// CHECK-NEXT: Succs (1): B4
// CHECK: [B3]
// CHECK-NEXT: 1: CFGScopeBegin(ForStmt)
// CHECK-NEXT: 2: (CXXConstructExpr, class A)
// CHECK-NEXT: 3: A c;
// CHECK-NEXT: 4: [B3.3].~A() (Implicit destructor)
// CHECK-NEXT: 5: [B4.5].~A() (Implicit destructor)
// CHECK-NEXT: 6: CFGScopeEnd(ForStmt)
// CHECK-NEXT: Preds (1): B4
// CHECK-NEXT: Succs (1): B2
// CHECK: [B4]
// CHECK-NEXT: 1: CFGScopeBegin(DeclStmt)
// CHECK-NEXT: 2: a
// CHECK-NEXT: 3: [B4.2] (ImplicitCastExpr, NoOp, const class A)
// CHECK-NEXT: 4: [B4.3] (CXXConstructExpr, class A)
// CHECK-NEXT: 5: A b = a;
// CHECK-NEXT: 6: b
// CHECK-NEXT: 7: [B4.6] (ImplicitCastExpr, NoOp, const class A)
// CHECK-NEXT: 8: [B4.7].operator int
// CHECK-NEXT: 9: [B4.7]
// CHECK-NEXT: 10: [B4.9] (ImplicitCastExpr, UserDefinedConversion, int)
// CHECK-NEXT: 11: [B4.10] (ImplicitCastExpr, IntegralToBoolean, _Bool)
// CHECK-NEXT: T: for (...; [B4.11]; )
// CHECK-NEXT: Preds (2): B2 B5
// CHECK-NEXT: Succs (2): B3 B1
// CHECK: [B5]
// CHECK-NEXT: 1: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 2: (CXXConstructExpr, class A)
// CHECK-NEXT: 3: A a;
// CHECK-NEXT: Preds (1): B6
// CHECK-NEXT: Succs (1): B4
// CHECK: [B0 (EXIT)]
void test_for_implicit_scope() {
for (A a; A b = a; )
A c;
}
// CHECK: [B12 (ENTRY)]
// CHECK-NEXT: Succs (1): B11
// CHECK: [B1]
// CHECK-NEXT: 1: CFGScopeEnd(DeclStmt)
// CHECK-NEXT: 2: [B10.5].~A() (Implicit destructor)
// CHECK-NEXT: 3: [B11.5].~A() (Implicit destructor)
// CHECK-NEXT: 4: (CXXConstructExpr, class A)
// CHECK-NEXT: 5: A f;
// CHECK-NEXT: 6: [B1.5].~A() (Implicit destructor)
// CHECK-NEXT: 7: [B11.3].~A() (Implicit destructor)
// CHECK-NEXT: 8: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: Preds (2): B8 B10
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: CFGScopeEnd(DeclStmt)
// CHECK-NEXT: Preds (2): B3 B6
// CHECK-NEXT: Succs (1): B10
// CHECK: [B3]
// CHECK-NEXT: 1: (CXXConstructExpr, class A)
// CHECK-NEXT: 2: A e;
// CHECK-NEXT: 3: [B3.2].~A() (Implicit destructor)
// CHECK-NEXT: 4: [B9.3].~A() (Implicit destructor)
// CHECK-NEXT: 5: [B10.5].~A() (Implicit destructor)
// CHECK-NEXT: 6: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (1): B2
// CHECK: [B4]
// CHECK-NEXT: 1: CFGScopeBegin(IfStmt)
// CHECK-NEXT: 2: return;
// CHECK-NEXT: 3: [B9.3].~A() (Implicit destructor)
// CHECK-NEXT: 4: [B10.5].~A() (Implicit destructor)
// CHECK-NEXT: 5: [B11.5].~A() (Implicit destructor)
// CHECK-NEXT: 6: [B11.3].~A() (Implicit destructor)
// CHECK-NEXT: 7: CFGScopeEnd(ReturnStmt)
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (1): B0
// CHECK: [B5]
// CHECK-NEXT: 1: UV
// CHECK-NEXT: 2: [B5.1] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B5.2]
// CHECK-NEXT: Preds (1): B7
// CHECK-NEXT: Succs (2): B4 B3
// CHECK: [B6]
// CHECK-NEXT: 1: CFGScopeBegin(IfStmt)
// CHECK-NEXT: 2: [B9.3].~A() (Implicit destructor)
// CHECK-NEXT: 3: CFGScopeEnd(ContinueStmt)
// CHECK-NEXT: T: continue;
// CHECK-NEXT: Preds (1): B7
// CHECK-NEXT: Succs (1): B2
// CHECK: [B7]
// CHECK-NEXT: 1: UV
// CHECK-NEXT: 2: [B7.1] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B7.2]
// CHECK-NEXT: Preds (1): B9
// CHECK-NEXT: Succs (2): B6 B5
// CHECK: [B8]
// CHECK-NEXT: 1: CFGScopeBegin(IfStmt)
// CHECK-NEXT: 2: [B9.3].~A() (Implicit destructor)
// CHECK-NEXT: 3: CFGScopeEnd(BreakStmt)
// CHECK-NEXT: T: break;
// CHECK-NEXT: Preds (1): B9
// CHECK-NEXT: Succs (1): B1
// CHECK: [B9]
// CHECK-NEXT: 1: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 2: (CXXConstructExpr, class A)
// CHECK-NEXT: 3: A d;
// CHECK-NEXT: 4: UV
// CHECK-NEXT: 5: [B9.4] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B9.5]
// CHECK-NEXT: Preds (1): B10
// CHECK-NEXT: Succs (2): B8 B7
// CHECK: [B10]
// CHECK-NEXT: 1: CFGScopeBegin(DeclStmt)
// CHECK-NEXT: 2: b
// CHECK-NEXT: 3: [B10.2] (ImplicitCastExpr, NoOp, const class A)
// CHECK-NEXT: 4: [B10.3] (CXXConstructExpr, class A)
// CHECK-NEXT: 5: A c = b;
// CHECK-NEXT: 6: c
// CHECK-NEXT: 7: [B10.6] (ImplicitCastExpr, NoOp, const class A)
// CHECK-NEXT: 8: [B10.7].operator int
// CHECK-NEXT: 9: [B10.7]
// CHECK-NEXT: 10: [B10.9] (ImplicitCastExpr, UserDefinedConversion, int)
// CHECK-NEXT: 11: [B10.10] (ImplicitCastExpr, IntegralToBoolean, _Bool)
// CHECK-NEXT: T: for (...; [B10.11]; )
// CHECK-NEXT: Preds (2): B2 B11
// CHECK-NEXT: Succs (2): B9 B1
// CHECK: [B11]
// CHECK-NEXT: 1: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 2: (CXXConstructExpr, class A)
// CHECK-NEXT: 3: A a;
// CHECK-NEXT: 4: (CXXConstructExpr, class A)
// CHECK-NEXT: 5: A b;
// CHECK-NEXT: Preds (1): B12
// CHECK-NEXT: Succs (1): B10
// CHECK: [B0 (EXIT)]
void test_for_jumps() {
A a;
for (A b; A c = b; ) {
A d;
if (UV) break;
if (UV) continue;
if (UV) return;
A e;
}
A f;
}
// CHECK: [B7 (ENTRY)]
// CHECK-NEXT: Succs (1): B6
// CHECK: [B1]
// CHECK-NEXT: 1: CFGScopeEnd(DeclStmt)
// CHECK-NEXT: 2: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 3: int unused2;
// CHECK-NEXT: 4: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: 5: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: Preds (2): B4 B5
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: i
// CHECK-NEXT: 2: ++[B2.1]
// CHECK-NEXT: 3: CFGScopeEnd(DeclStmt)
// CHECK-NEXT: Preds (1): B3
// CHECK-NEXT: Succs (1): B5
// CHECK: [B3]
// CHECK-NEXT: 1: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: Succs (1): B2
// CHECK: [B4]
// CHECK-NEXT: 1: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 2: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 3: int unused1;
// CHECK-NEXT: 4: CFGScopeEnd(BreakStmt)
// CHECK-NEXT: T: break;
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (1): B1
// CHECK: [B5]
// CHECK-NEXT: 1: CFGScopeBegin(DeclStmt)
// CHECK-NEXT: 2: i
// CHECK-NEXT: 3: [B5.2] (ImplicitCastExpr, LValueToRValue, int)
// CHECK-NEXT: 4: 3
// CHECK-NEXT: 5: [B5.3] < [B5.4]
// CHECK-NEXT: T: for (...; [B5.5]; ...)
// CHECK-NEXT: Preds (2): B2 B6
// CHECK-NEXT: Succs (2): B4 B1
// CHECK: [B6]
// CHECK-NEXT: 1: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 2: 0
// CHECK-NEXT: 3: int i = 0;
// CHECK-NEXT: Preds (1): B7
// CHECK-NEXT: Succs (1): B5
// CHECK: [B0 (EXIT)]
void test_for_compound_and_break() {
for (int i = 0; i < 3; ++i) {
{
int unused1;
break;
}
}
{
int unused2;
}
}
// CHECK: [B6 (ENTRY)]
// CHECK-NEXT: Succs (1): B5
// CHECK: [B1]
// CHECK-NEXT: 1: [B5.3].~A() (Implicit destructor)
// CHECK-NEXT: 2: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: Preds (1): B2
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: __begin
// CHECK-NEXT: 2: [B2.1] (ImplicitCastExpr, LValueToRValue, class A *)
// CHECK-NEXT: 3: __end
// CHECK-NEXT: 4: [B2.3] (ImplicitCastExpr, LValueToRValue, class A *)
// CHECK-NEXT: 5: [B2.2] != [B2.4]
// CHECK-NEXT: T: for (auto &i : [B5.4]) {
// CHECK: [B4.12];
// CHECK-NEXT:}
// CHECK-NEXT: Preds (2): B3 B5
// CHECK-NEXT: Succs (2): B4 B1
// CHECK: [B3]
// CHECK-NEXT: 1: __begin
// CHECK-NEXT: 2: ++[B3.1]
// CHECK-NEXT: 3: CFGScopeEnd(DeclStmt)
// CHECK-NEXT: Preds (1): B4
// CHECK-NEXT: Succs (1): B2
// CHECK: [B4]
// CHECK-NEXT: 1: CFGScopeBegin(DeclStmt)
// CHECK-NEXT: 2: CFGScopeBegin(CXXForRangeStmt)
// CHECK-NEXT: 3: __begin
// CHECK-NEXT: 4: [B4.3] (ImplicitCastExpr, LValueToRValue, class A *)
// CHECK-NEXT: 5: *[B4.4]
// CHECK-NEXT: 6: auto &i = *__begin;
// CHECK-NEXT: 7: operator=
// CHECK-NEXT: 8: [B4.7] (ImplicitCastExpr, FunctionToPointerDecay, class A &(*)(const class A &) throw())
// CHECK-NEXT: 9: i
// CHECK-NEXT: 10: b
// CHECK-NEXT: 11: [B4.10] (ImplicitCastExpr, NoOp, const class A)
// CHECK-NEXT: 12: [B4.9] = [B4.11] (OperatorCall)
// CHECK-NEXT: 13: CFGScopeEnd(CXXForRangeStmt)
// CHECK-NEXT: Preds (1): B2
// CHECK-NEXT: Succs (1): B3
// CHECK: [B5]
// CHECK-NEXT: 1: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 2: (CXXConstructExpr, class A [10])
// CHECK-NEXT: 3: A a[10];
// CHECK-NEXT: 4: a
// CHECK-NEXT: 5: auto &&__range = a;
// CHECK-NEXT: 6: __range
// CHECK-NEXT: 7: [B5.6] (ImplicitCastExpr, ArrayToPointerDecay, class A *)
// CHECK-NEXT: 8: 10L
// CHECK-NEXT: 9: [B5.7] + [B5.8]
// CHECK-NEXT: 10: auto __end = __range + 10L;
// CHECK-NEXT: 11: __range
// CHECK-NEXT: 12: [B5.11] (ImplicitCastExpr, ArrayToPointerDecay, class A *)
// CHECK-NEXT: 13: auto __begin = __range;
// CHECK-NEXT: Preds (1): B6
// CHECK-NEXT: Succs (1): B2
// CHECK: [B0 (EXIT)]
void test_range_for(A &b) {
A a[10];
for (auto &i : a)
i = b;
}
// CHECK: [B14 (ENTRY)]
// CHECK-NEXT: Succs (1): B13
// CHECK: [B1]
// CHECK-NEXT: 1: CFGScopeEnd(DeclStmt)
// CHECK-NEXT: 2: [B13.3].~A() (Implicit destructor)
// CHECK-NEXT: 3: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: Preds (1): B12
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: i
// CHECK-NEXT: 2: ++[B2.1]
// CHECK-NEXT: 3: CFGScopeEnd(DeclStmt)
// CHECK-NEXT: Preds (2): B3 B4
// CHECK-NEXT: Succs (1): B12
// CHECK: [B3]
// CHECK-NEXT: 1: j
// CHECK-NEXT: 2: ++[B3.1]
// CHECK-NEXT: 3: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (1): B2
// CHECK: [B4]
// CHECK-NEXT: 1: CFGScopeBegin(IfStmt)
// CHECK-NEXT: 2: CFGScopeEnd(ContinueStmt)
// CHECK-NEXT: T: continue;
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (1): B2
// CHECK: [B5]
// CHECK-NEXT: 1: CFGScopeEnd(CXXConstructExpr)
// CHECK-NEXT: 2: [B10.5].~A() (Implicit destructor)
// CHECK-NEXT: 3: i
// CHECK-NEXT: 4: [B5.3] (ImplicitCastExpr, LValueToRValue, int)
// CHECK-NEXT: 5: 3
// CHECK-NEXT: 6: [B5.4] > [B5.5]
// CHECK-NEXT: T: if [B5.6]
// CHECK-NEXT: Preds (2): B8 B10
// CHECK-NEXT: Succs (2): B4 B3
// CHECK: [B6]
// CHECK-NEXT: 1: CFGScopeEnd(CXXConstructExpr)
// CHECK-NEXT: Preds (1): B7
// CHECK-NEXT: Succs (1): B10
// CHECK: [B7]
// CHECK-NEXT: 1: j
// CHECK-NEXT: 2: ++[B7.1]
// CHECK-NEXT: 3: [B10.5].~A() (Implicit destructor)
// CHECK-NEXT: 4: CFGScopeEnd(CompoundStmt)
// CHECK-NEXT: Preds (1): B9
// CHECK-NEXT: Succs (1): B6
// CHECK: [B8]
// CHECK-NEXT: 1: CFGScopeBegin(IfStmt)
// CHECK-NEXT: 2: CFGScopeEnd(BreakStmt)
// CHECK-NEXT: T: break;
// CHECK-NEXT: Preds (1): B9
// CHECK-NEXT: Succs (1): B5
// CHECK: [B9]
// CHECK-NEXT: 1: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 2: int unused2;
// CHECK-NEXT: 3: j
// CHECK-NEXT: 4: [B9.3] (ImplicitCastExpr, LValueToRValue, int)
// CHECK-NEXT: 5: 13
// CHECK-NEXT: 6: [B9.4] > [B9.5]
// CHECK-NEXT: T: if [B9.6]
// CHECK-NEXT: Preds (1): B10
// CHECK-NEXT: Succs (2): B8 B7
// CHECK: [B10]
// CHECK-NEXT: 1: CFGScopeBegin(CXXConstructExpr)
// CHECK-NEXT: 2: a
// CHECK-NEXT: 3: [B10.2] (ImplicitCastExpr, NoOp, const class A)
// CHECK-NEXT: 4: [B10.3] (CXXConstructExpr, class A)
// CHECK-NEXT: 5: A b = a;
// CHECK-NEXT: 6: b
// CHECK-NEXT: 7: [B10.6] (ImplicitCastExpr, NoOp, const class A)
// CHECK-NEXT: 8: [B10.7].operator int
// CHECK-NEXT: 9: [B10.7]
// CHECK-NEXT: 10: [B10.9] (ImplicitCastExpr, UserDefinedConversion, int)
// CHECK-NEXT: 11: [B10.10] (ImplicitCastExpr, IntegralToBoolean, _Bool)
// CHECK-NEXT: T: while [B10.11]
// CHECK-NEXT: Preds (2): B6 B11
// CHECK-NEXT: Succs (2): B9 B5
// CHECK: [B11]
// CHECK-NEXT: 1: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 2: int unused1;
// CHECK-NEXT: 3: i
// CHECK-NEXT: 4: [B11.3] (ImplicitCastExpr, LValueToRValue, int)
// CHECK-NEXT: 5: int j = i;
// CHECK-NEXT: Preds (1): B12
// CHECK-NEXT: Succs (1): B10
// CHECK: [B12]
// CHECK-NEXT: 1: CFGScopeBegin(DeclStmt)
// CHECK-NEXT: 2: i
// CHECK-NEXT: 3: [B12.2] (ImplicitCastExpr, LValueToRValue, int)
// CHECK-NEXT: 4: 10
// CHECK-NEXT: 5: [B12.3] < [B12.4]
// CHECK-NEXT: T: for (...; [B12.5]; ...)
// CHECK-NEXT: Preds (2): B2 B13
// CHECK-NEXT: Succs (2): B11 B1
// CHECK: [B13]
// CHECK-NEXT: 1: CFGScopeBegin(CompoundStmt)
// CHECK-NEXT: 2: (CXXConstructExpr, class A)
// CHECK-NEXT: 3: A a;
// CHECK-NEXT: 4: 0
// CHECK-NEXT: 5: int i = 0;
// CHECK-NEXT: Preds (1): B14
// CHECK-NEXT: Succs (1): B12
// CHECK: [B0 (EXIT)
void test_nested_loops() {
A a;
for (int i = 0; i < 10; ++i) {
int unused1;
int j = i;
while (A b = a) {
int unused2;
if (j > 13)
break; // Break from while loop
++j;
}
if (i > 3)
continue; // Continue for loop
++j;
}
}