forked from OSchip/llvm-project
1171 lines
36 KiB
C++
1171 lines
36 KiB
C++
// RUN: %clang_cc1 -fcxx-exceptions -fexceptions -analyze -analyzer-checker=debug.DumpCFG -analyzer-config cfg-scopes=true %s > %t 2>&1
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// RUN: FileCheck --input-file=%t %s
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class A {
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public:
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// CHECK: [B1 (ENTRY)]
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// CHECK-NEXT: Succs (1): B0
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// CHECK: [B0 (EXIT)]
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// CHECK-NEXT: Preds (1): B1
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A() {}
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// CHECK: [B1 (ENTRY)]
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// CHECK-NEXT: Succs (1): B0
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// CHECK: [B0 (EXIT)]
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// CHECK-NEXT: Preds (1): B1
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~A() {}
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// CHECK: [B2 (ENTRY)]
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// CHECK-NEXT: Succs (1): B1
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// CHECK: [B1]
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// CHECK-NEXT: 1: 1
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// CHECK-NEXT: 2: return [B1.1];
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// CHECK-NEXT: Preds (1): B2
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// CHECK-NEXT: Succs (1): B0
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// CHECK: [B0 (EXIT)]
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// CHECK-NEXT: Preds (1): B1
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operator int() const { return 1; }
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};
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int getX();
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extern const bool UV;
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// CHECK: [B2 (ENTRY)]
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// CHECK-NEXT: Succs (1): B1
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// CHECK: [B1]
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// CHECK-NEXT: 1: CFGScopeBegin(a)
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// CHECK-NEXT: 2: (CXXConstructExpr, [B1.3], class A [2])
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// CHECK-NEXT: 3: A a[2];
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// CHECK-NEXT: 4: (CXXConstructExpr, [B1.5], class A [0])
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// CHECK-NEXT: 5: A b[0];
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// CHECK-NEXT: 6: [B1.3].~A [2]() (Implicit destructor)
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// CHECK-NEXT: 7: CFGScopeEnd(a)
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// CHECK-NEXT: Preds (1): B2
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// CHECK-NEXT: Succs (1): B0
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// CHECK: [B0 (EXIT)]
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// CHECK-NEXT: Preds (1): B1
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void test_array() {
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A a[2];
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A b[0];
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}
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// CHECK: [B2 (ENTRY)]
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// CHECK-NEXT: Succs (1): B1
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// CHECK: [B1]
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// CHECK-NEXT: 1: CFGScopeBegin(a)
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// CHECK-NEXT: 2: (CXXConstructExpr, [B1.3], class A)
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// CHECK-NEXT: 3: A a;
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// CHECK-NEXT: 4: CFGScopeBegin(c)
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// CHECK-NEXT: 5: (CXXConstructExpr, [B1.6], class A)
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// CHECK-NEXT: 6: A c;
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// CHECK-NEXT: 7: (CXXConstructExpr, [B1.8], class A)
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// CHECK-NEXT: 8: A d;
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// CHECK-NEXT: 9: [B1.8].~A() (Implicit destructor)
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// CHECK-NEXT: 10: [B1.6].~A() (Implicit destructor)
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// CHECK-NEXT: 11: CFGScopeEnd(c)
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// CHECK-NEXT: 12: (CXXConstructExpr, [B1.13], class A)
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// CHECK-NEXT: 13: A b;
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// CHECK-NEXT: 14: [B1.13].~A() (Implicit destructor)
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// CHECK-NEXT: 15: [B1.3].~A() (Implicit destructor)
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// CHECK-NEXT: 16: CFGScopeEnd(a)
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// CHECK-NEXT: Preds (1): B2
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// CHECK-NEXT: Succs (1): B0
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// CHECK: [B0 (EXIT)]
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// CHECK-NEXT: Preds (1): B1
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void test_scope() {
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A a;
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{ A c;
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A d;
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}
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A b;
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}
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// CHECK: [B4 (ENTRY)]
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// CHECK-NEXT: Succs (1): B3
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// CHECK: [B1]
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// CHECK-NEXT: 1: (CXXConstructExpr, [B1.2], class A)
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// CHECK-NEXT: 2: A c;
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// CHECK-NEXT: 3: [B1.2].~A() (Implicit destructor)
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// CHECK-NEXT: 4: [B3.5].~A() (Implicit destructor)
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// CHECK-NEXT: 5: [B3.3].~A() (Implicit destructor)
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// CHECK-NEXT: 6: CFGScopeEnd(a)
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// CHECK-NEXT: Preds (1): B3
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// CHECK-NEXT: Succs (1): B0
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// CHECK: [B2]
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// CHECK-NEXT: 1: return;
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// CHECK-NEXT: 2: [B3.5].~A() (Implicit destructor)
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// CHECK-NEXT: 3: [B3.3].~A() (Implicit destructor)
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// CHECK-NEXT: 4: CFGScopeEnd(a)
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// CHECK-NEXT: Preds (1): B3
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// CHECK-NEXT: Succs (1): B0
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// CHECK: [B3]
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// CHECK-NEXT: 1: CFGScopeBegin(a)
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// CHECK-NEXT: 2: (CXXConstructExpr, [B3.3], class A)
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// CHECK-NEXT: 3: A a;
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// CHECK-NEXT: 4: (CXXConstructExpr, [B3.5], class A)
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// CHECK-NEXT: 5: A b;
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// CHECK-NEXT: 6: UV
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// CHECK-NEXT: 7: [B3.6] (ImplicitCastExpr, LValueToRValue, _Bool)
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// CHECK-NEXT: T: if [B3.7]
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// CHECK-NEXT: Preds (1): B4
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// CHECK-NEXT: Succs (2): B2 B1
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// CHECK: [B0 (EXIT)]
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// CHECK-NEXT: Preds (2): B1 B2
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void test_return() {
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A a;
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A b;
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if (UV) return;
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A c;
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}
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// CHECK: [B5 (ENTRY)]
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// CHECK-NEXT: Succs (1): B4
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// CHECK: [B1]
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// CHECK-NEXT: 1: [B4.8].~A() (Implicit destructor)
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// CHECK-NEXT: 2: CFGScopeEnd(b)
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// CHECK-NEXT: 3: [B4.3].~A() (Implicit destructor)
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// CHECK-NEXT: 4: CFGScopeEnd(a)
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// CHECK-NEXT: Preds (2): B2 B3
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// CHECK-NEXT: Succs (1): B0
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// CHECK: [B2]
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// CHECK-NEXT: 1: CFGScopeBegin(c)
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// CHECK-NEXT: 2: (CXXConstructExpr, [B2.3], class A)
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// CHECK-NEXT: 3: A c;
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// CHECK-NEXT: 4: [B2.3].~A() (Implicit destructor)
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// CHECK-NEXT: 5: CFGScopeEnd(c)
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// CHECK-NEXT: Preds (1): B4
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// CHECK-NEXT: Succs (1): B1
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// CHECK: [B3]
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// CHECK-NEXT: 1: CFGScopeBegin(c)
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// CHECK-NEXT: 2: (CXXConstructExpr, [B3.3], class A)
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// CHECK-NEXT: 3: A c;
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// CHECK-NEXT: 4: [B3.3].~A() (Implicit destructor)
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// CHECK-NEXT: 5: CFGScopeEnd(c)
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// CHECK-NEXT: Preds (1): B4
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// CHECK-NEXT: Succs (1): B1
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// CHECK: [B4]
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// CHECK-NEXT: 1: CFGScopeBegin(a)
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// CHECK-NEXT: 2: (CXXConstructExpr, [B4.3], class A)
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// CHECK-NEXT: 3: A a;
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// CHECK-NEXT: 4: CFGScopeBegin(b)
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// CHECK-NEXT: 5: a
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// CHECK-NEXT: 6: [B4.5] (ImplicitCastExpr, NoOp, const class A)
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// CHECK-NEXT: 7: [B4.6] (CXXConstructExpr, [B4.8], class A)
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// CHECK-NEXT: 8: A b = a;
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// CHECK-NEXT: 9: b
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// CHECK-NEXT: 10: [B4.9] (ImplicitCastExpr, NoOp, const class A)
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// CHECK-NEXT: 11: [B4.10].operator int
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// CHECK-NEXT: 12: [B4.10]
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// CHECK-NEXT: 13: [B4.12] (ImplicitCastExpr, UserDefinedConversion, int)
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// CHECK-NEXT: 14: [B4.13] (ImplicitCastExpr, IntegralToBoolean, _Bool)
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// CHECK-NEXT: T: if [B4.14]
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// CHECK-NEXT: Preds (1): B5
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// CHECK-NEXT: Succs (2): B3 B2
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// CHECK: [B0 (EXIT)]
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// CHECK-NEXT: Preds (1): B1
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void test_if_implicit_scope() {
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A a;
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if (A b = a)
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A c;
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else A c;
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}
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// CHECK: [B9 (ENTRY)]
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// CHECK-NEXT: Succs (1): B8
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// CHECK: [B1]
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// CHECK-NEXT: 1: [B8.8].~A() (Implicit destructor)
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// CHECK-NEXT: 2: CFGScopeEnd(b)
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// CHECK-NEXT: 3: (CXXConstructExpr, [B1.4], class A)
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// CHECK-NEXT: 4: A e;
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// CHECK-NEXT: 5: [B1.4].~A() (Implicit destructor)
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// CHECK-NEXT: 6: [B8.3].~A() (Implicit destructor)
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// CHECK-NEXT: 7: CFGScopeEnd(a)
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// CHECK-NEXT: Preds (2): B2 B5
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// CHECK-NEXT: Succs (1): B0
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// CHECK: [B2]
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// CHECK-NEXT: 1: (CXXConstructExpr, [B2.2], class A)
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// CHECK-NEXT: 2: A d;
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// CHECK-NEXT: 3: [B2.2].~A() (Implicit destructor)
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// CHECK-NEXT: 4: [B4.3].~A() (Implicit destructor)
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// CHECK-NEXT: 5: CFGScopeEnd(c)
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// CHECK-NEXT: Preds (1): B4
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// CHECK-NEXT: Succs (1): B1
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// CHECK: [B3]
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// CHECK-NEXT: 1: return;
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// CHECK-NEXT: 2: [B4.3].~A() (Implicit destructor)
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// CHECK-NEXT: 3: CFGScopeEnd(c)
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// CHECK-NEXT: 4: [B8.8].~A() (Implicit destructor)
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// CHECK-NEXT: 5: CFGScopeEnd(b)
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// CHECK-NEXT: 6: [B8.3].~A() (Implicit destructor)
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// CHECK-NEXT: 7: CFGScopeEnd(a)
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// CHECK-NEXT: Preds (1): B4
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// CHECK-NEXT: Succs (1): B0
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// CHECK: [B4]
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// CHECK-NEXT: 1: CFGScopeBegin(c)
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// CHECK-NEXT: 2: (CXXConstructExpr, [B4.3], class A)
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// CHECK-NEXT: 3: A c;
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// CHECK-NEXT: 4: UV
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// CHECK-NEXT: 5: [B4.4] (ImplicitCastExpr, LValueToRValue, _Bool)
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// CHECK-NEXT: T: if [B4.5]
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// CHECK-NEXT: Preds (1): B8
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// CHECK-NEXT: Succs (2): B3 B2
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// CHECK: [B5]
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// CHECK-NEXT: 1: (CXXConstructExpr, [B5.2], class A)
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// CHECK-NEXT: 2: A d;
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// CHECK-NEXT: 3: [B5.2].~A() (Implicit destructor)
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// CHECK-NEXT: 4: [B7.3].~A() (Implicit destructor)
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// CHECK-NEXT: 5: CFGScopeEnd(c)
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// CHECK-NEXT: Preds (1): B7
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// CHECK-NEXT: Succs (1): B1
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// CHECK: [B6]
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// CHECK-NEXT: 1: return;
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// CHECK-NEXT: 2: [B7.3].~A() (Implicit destructor)
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// CHECK-NEXT: 3: CFGScopeEnd(c)
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// CHECK-NEXT: 4: [B8.8].~A() (Implicit destructor)
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// CHECK-NEXT: 5: CFGScopeEnd(b)
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// CHECK-NEXT: 6: [B8.3].~A() (Implicit destructor)
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// CHECK-NEXT: 7: CFGScopeEnd(a)
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// CHECK-NEXT: Preds (1): B7
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// CHECK-NEXT: Succs (1): B0
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// CHECK: [B7]
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// CHECK-NEXT: 1: CFGScopeBegin(c)
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// CHECK-NEXT: 2: (CXXConstructExpr, [B7.3], class A)
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// CHECK-NEXT: 3: A c;
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// CHECK-NEXT: 4: UV
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// CHECK-NEXT: 5: [B7.4] (ImplicitCastExpr, LValueToRValue, _Bool)
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// CHECK-NEXT: T: if [B7.5]
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// CHECK-NEXT: Preds (1): B8
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// CHECK-NEXT: Succs (2): B6 B5
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// CHECK: [B8]
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// CHECK-NEXT: 1: CFGScopeBegin(a)
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// CHECK-NEXT: 2: (CXXConstructExpr, [B8.3], class A)
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// CHECK-NEXT: 3: A a;
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// CHECK-NEXT: 4: CFGScopeBegin(b)
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// CHECK-NEXT: 5: a
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// CHECK-NEXT: 6: [B8.5] (ImplicitCastExpr, NoOp, const class A)
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// CHECK-NEXT: 7: [B8.6] (CXXConstructExpr, [B8.8], class A)
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// CHECK-NEXT: 8: A b = a;
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// CHECK-NEXT: 9: b
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// CHECK-NEXT: 10: [B8.9] (ImplicitCastExpr, NoOp, const class A)
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// CHECK-NEXT: 11: [B8.10].operator int
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// CHECK-NEXT: 12: [B8.10]
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// CHECK-NEXT: 13: [B8.12] (ImplicitCastExpr, UserDefinedConversion, int)
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// CHECK-NEXT: 14: [B8.13] (ImplicitCastExpr, IntegralToBoolean, _Bool)
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// CHECK-NEXT: T: if [B8.14]
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// CHECK-NEXT: Preds (1): B9
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// CHECK-NEXT: Succs (2): B7 B4
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// CHECK: [B0 (EXIT)]
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// CHECK-NEXT: Preds (3): B1 B3 B6
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void test_if_jumps() {
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A a;
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if (A b = a) {
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A c;
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if (UV) return;
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A d;
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} else {
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A c;
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if (UV) return;
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A d;
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}
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A e;
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}
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// CHECK: [B6 (ENTRY)]
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// CHECK-NEXT: Succs (1): B5
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// CHECK: [B1]
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// CHECK-NEXT: 1: [B4.5].~A() (Implicit destructor)
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// CHECK-NEXT: 2: CFGScopeEnd(b)
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// CHECK-NEXT: 3: [B5.3].~A() (Implicit destructor)
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// CHECK-NEXT: 4: CFGScopeEnd(a)
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// CHECK-NEXT: Preds (1): B4
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// CHECK-NEXT: Succs (1): B0
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// CHECK: [B2]
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// CHECK-NEXT: Preds (1): B3
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// CHECK-NEXT: Succs (1): B4
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// CHECK: [B3]
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// CHECK-NEXT: 1: CFGScopeBegin(c)
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// CHECK-NEXT: 2: (CXXConstructExpr, [B3.3], class A)
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// CHECK-NEXT: 3: A c;
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// CHECK-NEXT: 4: [B3.3].~A() (Implicit destructor)
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// CHECK-NEXT: 5: CFGScopeEnd(c)
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// CHECK-NEXT: 6: [B4.5].~A() (Implicit destructor)
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// CHECK-NEXT: 7: CFGScopeEnd(b)
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// CHECK-NEXT: Preds (1): B4
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// CHECK-NEXT: Succs (1): B2
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// CHECK: [B4]
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// CHECK-NEXT: 1: CFGScopeBegin(b)
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// CHECK-NEXT: 2: a
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// CHECK-NEXT: 3: [B4.2] (ImplicitCastExpr, NoOp, const class A)
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// CHECK-NEXT: 4: [B4.3] (CXXConstructExpr, [B4.5], class A)
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// CHECK-NEXT: 5: A b = a;
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// CHECK-NEXT: 6: b
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// CHECK-NEXT: 7: [B4.6] (ImplicitCastExpr, NoOp, const class A)
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// CHECK-NEXT: 8: [B4.7].operator int
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// CHECK-NEXT: 9: [B4.7]
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// CHECK-NEXT: 10: [B4.9] (ImplicitCastExpr, UserDefinedConversion, int)
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// CHECK-NEXT: 11: [B4.10] (ImplicitCastExpr, IntegralToBoolean, _Bool)
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// CHECK-NEXT: T: while [B4.11]
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// CHECK-NEXT: Preds (2): B2 B5
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// CHECK-NEXT: Succs (2): B3 B1
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// CHECK: [B5]
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// CHECK-NEXT: 1: CFGScopeBegin(a)
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// CHECK-NEXT: 2: (CXXConstructExpr, [B5.3], class A)
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// CHECK-NEXT: 3: A a;
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// CHECK-NEXT: Preds (1): B6
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// CHECK-NEXT: Succs (1): B4
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// CHECK: [B0 (EXIT)]
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// CHECK-NEXT: Preds (1): B1
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void test_while_implicit_scope() {
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A a;
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while (A b = a)
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A c;
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}
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// CHECK: [B12 (ENTRY)]
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// CHECK-NEXT: Succs (1): B11
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// CHECK: [B1]
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// CHECK-NEXT: 1: [B10.5].~A() (Implicit destructor)
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// CHECK-NEXT: 2: CFGScopeEnd(b)
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// CHECK-NEXT: 3: (CXXConstructExpr, [B1.4], class A)
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// CHECK-NEXT: 4: A e;
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// CHECK-NEXT: 5: [B1.4].~A() (Implicit destructor)
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// CHECK-NEXT: 6: [B11.3].~A() (Implicit destructor)
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// CHECK-NEXT: 7: CFGScopeEnd(a)
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// CHECK-NEXT: Preds (2): B8 B10
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// CHECK-NEXT: Succs (1): B0
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// CHECK: [B2]
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// CHECK-NEXT: Preds (2): B3 B6
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// CHECK-NEXT: Succs (1): B10
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// CHECK: [B3]
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// CHECK-NEXT: 1: (CXXConstructExpr, [B3.2], class A)
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// CHECK-NEXT: 2: A d;
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// CHECK-NEXT: 3: [B3.2].~A() (Implicit destructor)
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// CHECK-NEXT: 4: [B9.3].~A() (Implicit destructor)
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// CHECK-NEXT: 5: CFGScopeEnd(c)
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// CHECK-NEXT: 6: [B10.5].~A() (Implicit destructor)
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// CHECK-NEXT: 7: CFGScopeEnd(b)
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// CHECK-NEXT: Preds (1): B5
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// CHECK-NEXT: Succs (1): B2
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// CHECK: [B4]
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// CHECK-NEXT: 1: return;
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// CHECK-NEXT: 2: [B9.3].~A() (Implicit destructor)
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// CHECK-NEXT: 3: CFGScopeEnd(c)
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// CHECK-NEXT: 4: [B10.5].~A() (Implicit destructor)
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// CHECK-NEXT: 5: CFGScopeEnd(b)
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// CHECK-NEXT: 6: [B11.3].~A() (Implicit destructor)
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// CHECK-NEXT: 7: CFGScopeEnd(a)
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// CHECK-NEXT: Preds (1): B5
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// CHECK-NEXT: Succs (1): B0
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// CHECK: [B5]
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// CHECK-NEXT: 1: UV
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// CHECK-NEXT: 2: [B5.1] (ImplicitCastExpr, LValueToRValue, _Bool)
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// CHECK-NEXT: T: if [B5.2]
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// CHECK-NEXT: Preds (1): B7
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// CHECK-NEXT: Succs (2): B4 B3
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// CHECK: [B6]
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// CHECK-NEXT: 1: [B9.3].~A() (Implicit destructor)
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// CHECK-NEXT: 2: CFGScopeEnd(c)
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// CHECK-NEXT: 3: [B10.5].~A() (Implicit destructor)
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// CHECK-NEXT: 4: CFGScopeEnd(b)
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// CHECK-NEXT: T: continue;
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// CHECK-NEXT: Preds (1): B7
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// CHECK-NEXT: Succs (1): B2
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// CHECK: [B7]
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// CHECK-NEXT: 1: UV
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// CHECK-NEXT: 2: [B7.1] (ImplicitCastExpr, LValueToRValue, _Bool)
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// CHECK-NEXT: T: if [B7.2]
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// CHECK-NEXT: Preds (1): B9
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// CHECK-NEXT: Succs (2): B6 B5
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// CHECK: [B8]
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// CHECK-NEXT: 1: [B9.3].~A() (Implicit destructor)
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// CHECK-NEXT: 2: CFGScopeEnd(c)
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// CHECK-NEXT: T: break;
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// CHECK-NEXT: Preds (1): B9
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// CHECK-NEXT: Succs (1): B1
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// CHECK: [B9]
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// CHECK-NEXT: 1: CFGScopeBegin(c)
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// CHECK-NEXT: 2: (CXXConstructExpr, [B9.3], class A)
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// CHECK-NEXT: 3: A c;
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// CHECK-NEXT: 4: UV
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// 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(b)
|
|
// CHECK-NEXT: 2: a
|
|
// CHECK-NEXT: 3: [B10.2] (ImplicitCastExpr, NoOp, const class A)
|
|
// CHECK-NEXT: 4: [B10.3] (CXXConstructExpr, [B10.5], 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(a)
|
|
// CHECK-NEXT: 2: (CXXConstructExpr, [B11.3], class A)
|
|
// CHECK-NEXT: 3: A a;
|
|
// CHECK-NEXT: Preds (1): B12
|
|
// CHECK-NEXT: Succs (1): B10
|
|
// CHECK: [B0 (EXIT)]
|
|
// CHECK-NEXT: Preds (2): B1 B4
|
|
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, [B1.2], 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(a)
|
|
// 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, [B3.2], 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(b)
|
|
// CHECK-NEXT: Preds (1): B5
|
|
// CHECK-NEXT: Succs (1): B2
|
|
// CHECK: [B4]
|
|
// CHECK-NEXT: 1: return;
|
|
// CHECK-NEXT: 2: [B9.3].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 3: CFGScopeEnd(b)
|
|
// CHECK-NEXT: 4: [B11.3].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 5: CFGScopeEnd(a)
|
|
// 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: [B9.3].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 2: CFGScopeEnd(b)
|
|
// 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: [B9.3].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 2: CFGScopeEnd(b)
|
|
// CHECK-NEXT: T: break;
|
|
// CHECK-NEXT: Preds (1): B9
|
|
// CHECK-NEXT: Succs (1): B1
|
|
// CHECK: [B9]
|
|
// CHECK-NEXT: 1: CFGScopeBegin(b)
|
|
// CHECK-NEXT: 2: (CXXConstructExpr, [B9.3], 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(a)
|
|
// CHECK-NEXT: 2: (CXXConstructExpr, [B11.3], 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: [B4.5].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 2: CFGScopeEnd(b)
|
|
// CHECK-NEXT: 3: [B5.3].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 4: CFGScopeEnd(a)
|
|
// CHECK-NEXT: Preds (1): B4
|
|
// CHECK-NEXT: Succs (1): B0
|
|
// CHECK: [B2]
|
|
// CHECK-NEXT: Preds (1): B3
|
|
// CHECK-NEXT: Succs (1): B4
|
|
// CHECK: [B3]
|
|
// CHECK-NEXT: 1: CFGScopeBegin(c)
|
|
// CHECK-NEXT: 2: (CXXConstructExpr, [B3.3], class A)
|
|
// CHECK-NEXT: 3: A c;
|
|
// CHECK-NEXT: 4: [B3.3].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 5: CFGScopeEnd(c)
|
|
// CHECK-NEXT: 6: [B4.5].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 7: CFGScopeEnd(b)
|
|
// CHECK-NEXT: Preds (1): B4
|
|
// CHECK-NEXT: Succs (1): B2
|
|
// CHECK: [B4]
|
|
// CHECK-NEXT: 1: CFGScopeBegin(b)
|
|
// CHECK-NEXT: 2: a
|
|
// CHECK-NEXT: 3: [B4.2] (ImplicitCastExpr, NoOp, const class A)
|
|
// CHECK-NEXT: 4: [B4.3] (CXXConstructExpr, [B4.5], 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(a)
|
|
// CHECK-NEXT: 2: (CXXConstructExpr, [B5.3], class A)
|
|
// CHECK-NEXT: 3: A a;
|
|
// CHECK-NEXT: Preds (1): B6
|
|
// CHECK-NEXT: Succs (1): B4
|
|
// CHECK: [B0 (EXIT)]
|
|
// CHECK-NEXT: Preds (1): B1
|
|
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: [B10.5].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 2: CFGScopeEnd(c)
|
|
// CHECK-NEXT: 3: [B11.6].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 4: CFGScopeEnd(b)
|
|
// CHECK-NEXT: 5: (CXXConstructExpr, [B1.6], class A)
|
|
// CHECK-NEXT: 6: A f;
|
|
// CHECK-NEXT: 7: [B1.6].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 8: [B11.3].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 9: CFGScopeEnd(a)
|
|
// CHECK-NEXT: Preds (2): B8 B10
|
|
// CHECK-NEXT: Succs (1): B0
|
|
// CHECK: [B2]
|
|
// CHECK-NEXT: Preds (2): B3 B6
|
|
// CHECK-NEXT: Succs (1): B10
|
|
// CHECK: [B3]
|
|
// CHECK-NEXT: 1: (CXXConstructExpr, [B3.2], 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: CFGScopeEnd(d)
|
|
// CHECK-NEXT: 6: [B10.5].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 7: CFGScopeEnd(c)
|
|
// CHECK-NEXT: Preds (1): B5
|
|
// CHECK-NEXT: Succs (1): B2
|
|
// CHECK: [B4]
|
|
// CHECK-NEXT: 1: return;
|
|
// CHECK-NEXT: 2: [B9.3].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 3: CFGScopeEnd(d)
|
|
// CHECK-NEXT: 4: [B10.5].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 5: CFGScopeEnd(c)
|
|
// CHECK-NEXT: 6: [B11.6].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 7: CFGScopeEnd(b)
|
|
// CHECK-NEXT: 8: [B11.3].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 9: CFGScopeEnd(a)
|
|
// 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: [B9.3].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 2: CFGScopeEnd(d)
|
|
// 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: [B9.3].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 2: CFGScopeEnd(d)
|
|
// CHECK-NEXT: T: break;
|
|
// CHECK-NEXT: Preds (1): B9
|
|
// CHECK-NEXT: Succs (1): B1
|
|
// CHECK: [B9]
|
|
// CHECK-NEXT: 1: CFGScopeBegin(d)
|
|
// CHECK-NEXT: 2: (CXXConstructExpr, [B9.3], 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(c)
|
|
// CHECK-NEXT: 2: b
|
|
// CHECK-NEXT: 3: [B10.2] (ImplicitCastExpr, NoOp, const class A)
|
|
// CHECK-NEXT: 4: [B10.3] (CXXConstructExpr, [B10.5], 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(a)
|
|
// CHECK-NEXT: 2: (CXXConstructExpr, [B11.3], class A)
|
|
// CHECK-NEXT: 3: A a;
|
|
// CHECK-NEXT: 4: CFGScopeBegin(b)
|
|
// CHECK-NEXT: 5: (CXXConstructExpr, [B11.6], class A)
|
|
// CHECK-NEXT: 6: A b;
|
|
// CHECK-NEXT: Preds (1): B12
|
|
// CHECK-NEXT: Succs (1): B10
|
|
// CHECK: [B0 (EXIT)]
|
|
// CHECK-NEXT: Preds (2): B1 B4
|
|
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: [B8 (ENTRY)]
|
|
// CHECK-NEXT: Succs (1): B7
|
|
// CHECK: [B1]
|
|
// CHECK-NEXT: l1:
|
|
// CHECK-NEXT: 1: (CXXConstructExpr, [B1.2], class A)
|
|
// CHECK-NEXT: 2: A c;
|
|
// CHECK-NEXT: 3: [B1.2].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 4: [B6.5].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 5: [B6.3].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 6: [B7.3].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 7: CFGScopeEnd(a)
|
|
// CHECK-NEXT: Preds (2): B2 B3
|
|
// CHECK-NEXT: Succs (1): B0
|
|
// CHECK: [B2]
|
|
// CHECK-NEXT: 1: (CXXConstructExpr, [B2.2], class A)
|
|
// CHECK-NEXT: 2: A b;
|
|
// CHECK-NEXT: 3: [B2.2].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 4: [B6.8].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 5: CFGScopeEnd(a)
|
|
// CHECK-NEXT: Preds (1): B4
|
|
// CHECK-NEXT: Succs (1): B1
|
|
// CHECK: [B3]
|
|
// CHECK-NEXT: 1: [B6.8].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 2: CFGScopeEnd(a)
|
|
// CHECK-NEXT: T: goto l1;
|
|
// CHECK-NEXT: Preds (1): B4
|
|
// CHECK-NEXT: Succs (1): B1
|
|
// CHECK: [B4]
|
|
// CHECK-NEXT: 1: UV
|
|
// CHECK-NEXT: 2: [B4.1] (ImplicitCastExpr, LValueToRValue, _Bool)
|
|
// CHECK-NEXT: T: if [B4.2]
|
|
// CHECK-NEXT: Preds (1): B6
|
|
// CHECK-NEXT: Succs (2): B3 B2
|
|
// CHECK: [B5]
|
|
// CHECK-NEXT: 1: [B6.8].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 2: [B6.5].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 3: [B6.3].~A() (Implicit destructor)
|
|
// CHECK-NEXT: 4: CFGScopeEnd(cb)
|
|
// CHECK-NEXT: T: goto l0;
|
|
// CHECK-NEXT: Preds (1): B6
|
|
// CHECK-NEXT: Succs (1): B6
|
|
// CHECK: [B6]
|
|
// CHECK-NEXT: l0:
|
|
// CHECK-NEXT: 1: CFGScopeBegin(cb)
|
|
// CHECK-NEXT: 2: (CXXConstructExpr, [B6.3], class A)
|
|
// CHECK-NEXT: 3: A cb;
|
|
// CHECK-NEXT: 4: (CXXConstructExpr, [B6.5], class A)
|
|
// CHECK-NEXT: 5: A b;
|
|
// CHECK-NEXT: 6: CFGScopeBegin(a)
|
|
// CHECK-NEXT: 7: (CXXConstructExpr, [B6.8], class A)
|
|
// CHECK-NEXT: 8: A a;
|
|
// CHECK-NEXT: 9: UV
|
|
// CHECK-NEXT: 10: [B6.9] (ImplicitCastExpr, LValueToRValue, _Bool)
|
|
// CHECK-NEXT: T: if [B6.10]
|
|
// CHECK-NEXT: Preds (2): B7 B5
|
|
// CHECK-NEXT: Succs (2): B5 B4
|
|
// CHECK: [B7]
|
|
// CHECK-NEXT: 1: CFGScopeBegin(a)
|
|
// CHECK-NEXT: 2: (CXXConstructExpr, [B7.3], class A)
|
|
// CHECK-NEXT: 3: A a;
|
|
// CHECK-NEXT: Preds (1): B8
|
|
// CHECK-NEXT: Succs (1): B6
|
|
// CHECK: [B0 (EXIT)]
|
|
// CHECK-NEXT: Preds (1): B1
|
|
void test_goto() {
|
|
A a;
|
|
l0:
|
|
A cb;
|
|
A b;
|
|
{ A a;
|
|
if (UV) goto l0;
|
|
if (UV) goto l1;
|
|
A b;
|
|
}
|
|
l1:
|
|
A c;
|
|
}
|
|
|
|
// CHECK: [B7 (ENTRY)]
|
|
// CHECK-NEXT: Succs (1): B6
|
|
// CHECK: [B1]
|
|
// CHECK-NEXT: 1: CFGScopeEnd(i)
|
|
// CHECK-NEXT: 2: CFGScopeBegin(unused2)
|
|
// CHECK-NEXT: 3: int unused2;
|
|
// CHECK-NEXT: 4: CFGScopeEnd(unused2)
|
|
// CHECK-NEXT: Preds (2): B4 B5
|
|
// CHECK-NEXT: Succs (1): B0
|
|
// CHECK: [B2]
|
|
// CHECK-NEXT: 1: i
|
|
// CHECK-NEXT: 2: ++[B2.1]
|
|
// CHECK-NEXT: Preds (1): B3
|
|
// CHECK-NEXT: Succs (1): B5
|
|
// CHECK: [B3]
|
|
// CHECK-NEXT: 1: CFGScopeEnd(unused1)
|
|
// CHECK-NEXT: Succs (1): B2
|
|
// CHECK: [B4]
|
|
// CHECK-NEXT: 1: CFGScopeBegin(unused1)
|
|
// CHECK-NEXT: 2: int unused1;
|
|
// CHECK-NEXT: 3: CFGScopeEnd(unused1)
|
|
// CHECK-NEXT: T: break;
|
|
// CHECK-NEXT: Preds (1): B5
|
|
// CHECK-NEXT: Succs (1): B1
|
|
// CHECK: [B5]
|
|
// CHECK-NEXT: 1: i
|
|
// CHECK-NEXT: 2: [B5.1] (ImplicitCastExpr, LValueToRValue, int)
|
|
// CHECK-NEXT: 3: 3
|
|
// CHECK-NEXT: 4: [B5.2] < [B5.3]
|
|
// CHECK-NEXT: T: for (...; [B5.4]; ...)
|
|
// CHECK-NEXT: Preds (2): B2 B6
|
|
// CHECK-NEXT: Succs (2): B4 B1
|
|
// CHECK: [B6]
|
|
// CHECK-NEXT: 1: CFGScopeBegin(i)
|
|
// CHECK-NEXT: 2: 0
|
|
// CHECK-NEXT: 3: int i = 0;
|
|
// CHECK-NEXT: Preds (1): B7
|
|
// CHECK-NEXT: Succs (1): B5
|
|
// CHECK: [B0 (EXIT)]
|
|
// CHECK-NEXT: Preds (1): B1
|
|
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: CFGScopeEnd(__end1)
|
|
// CHECK-NEXT: 2: CFGScopeEnd(__begin1)
|
|
// CHECK-NEXT: 3: CFGScopeEnd(__range1)
|
|
// CHECK-NEXT: 4: [B5.3].~A [10]() (Implicit destructor)
|
|
// CHECK-NEXT: 5: CFGScopeEnd(a)
|
|
// CHECK-NEXT: Preds (1): B2
|
|
// CHECK-NEXT: Succs (1): B0
|
|
// CHECK: [B2]
|
|
// CHECK-NEXT: 1: __begin1
|
|
// CHECK-NEXT: 2: [B2.1] (ImplicitCastExpr, LValueToRValue, class A *)
|
|
// CHECK-NEXT: 3: __end1
|
|
// 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: [B4.11];
|
|
// CHECK: Preds (2): B3 B5
|
|
// CHECK-NEXT: Succs (2): B4 B1
|
|
// CHECK: [B3]
|
|
// CHECK-NEXT: 1: __begin1
|
|
// CHECK-NEXT: 2: ++[B3.1]
|
|
// CHECK-NEXT: Preds (1): B4
|
|
// CHECK-NEXT: Succs (1): B2
|
|
// CHECK: [B4]
|
|
// CHECK-NEXT: 1: CFGScopeBegin(i)
|
|
// CHECK-NEXT: 2: __begin1
|
|
// CHECK-NEXT: 3: [B4.2] (ImplicitCastExpr, LValueToRValue, class A *)
|
|
// CHECK-NEXT: 4: *[B4.3]
|
|
// CHECK-NEXT: 5: auto &i = *__begin1;
|
|
// CHECK-NEXT: 6: operator=
|
|
// CHECK-NEXT: 7: [B4.6] (ImplicitCastExpr, FunctionToPointerDecay, class A &(*)(const class A &)
|
|
// CHECK-NEXT: 8: i
|
|
// CHECK-NEXT: 9: b
|
|
// CHECK-NEXT: 10: [B4.9] (ImplicitCastExpr, NoOp, const class A)
|
|
// CHECK-NEXT: 11: [B4.8] = [B4.10] (OperatorCall)
|
|
// CHECK-NEXT: 12: CFGScopeEnd(i)
|
|
// CHECK-NEXT: Preds (1): B2
|
|
// CHECK-NEXT: Succs (1): B3
|
|
// CHECK: [B5]
|
|
// CHECK-NEXT: 1: CFGScopeBegin(a)
|
|
// CHECK-NEXT: 2: (CXXConstructExpr, [B5.3], class A [10])
|
|
// CHECK-NEXT: 3: A a[10];
|
|
// CHECK-NEXT: 4: a
|
|
// CHECK-NEXT: 5: auto &&__range1 = a;
|
|
// CHECK-NEXT: 6: CFGScopeBegin(__end1)
|
|
// CHECK-NEXT: 7: __range1
|
|
// CHECK-NEXT: 8: [B5.7] (ImplicitCastExpr, ArrayToPointerDecay, class A *)
|
|
// CHECK-NEXT: 9: 10
|
|
// CHECK-NEXT: 10: [B5.8] + [B5.9]
|
|
// CHECK-NEXT: 11: auto __end1 = __range1 + 10
|
|
// CHECK-NEXT: 12: __range1
|
|
// CHECK-NEXT: 13: [B5.12] (ImplicitCastExpr, ArrayToPointerDecay, class A *)
|
|
// CHECK-NEXT: 14: auto __begin1 = __range1;
|
|
// CHECK-NEXT: Preds (1): B6
|
|
// CHECK-NEXT: Succs (1): B2
|
|
// CHECK: [B0 (EXIT)]
|
|
// CHECK-NEXT: Preds (1): B1
|
|
void test_range_for(A &b) {
|
|
A a[10];
|
|
for (auto &i : a)
|
|
i = b;
|
|
}
|
|
|
|
// CHECK: [B8 (ENTRY)]
|
|
// CHECK-NEXT: Succs (1): B2
|
|
// CHECK: [B1]
|
|
// CHECK-NEXT: 1: CFGScopeEnd(i)
|
|
// CHECK-NEXT: 2: 1
|
|
// CHECK-NEXT: 3: int k = 1;
|
|
// CHECK-NEXT: 4: CFGScopeEnd(c)
|
|
// CHECK-NEXT: Preds (3): B3 B5 B6
|
|
// CHECK-NEXT: Succs (1): B0
|
|
// CHECK: [B2]
|
|
// CHECK-NEXT: 1: CFGScopeBegin(c)
|
|
// CHECK-NEXT: 2: '1'
|
|
// CHECK-NEXT: 3: char c = '1';
|
|
// CHECK-NEXT: 4: CFGScopeBegin(i)
|
|
// CHECK-NEXT: 5: getX
|
|
// CHECK-NEXT: 6: [B2.5] (ImplicitCastExpr, FunctionToPointerDecay, int (*)(void))
|
|
// CHECK-NEXT: 7: [B2.6]()
|
|
// CHECK-NEXT: 8: int i = getX();
|
|
// CHECK-NEXT: 9: i
|
|
// CHECK-NEXT: 10: [B2.9] (ImplicitCastExpr, LValueToRValue, int)
|
|
// CHECK-NEXT: T: switch [B2.10]
|
|
// CHECK-NEXT: Preds (1): B8
|
|
// CHECK-NEXT: Succs (5): B4 B5 B6 B7 B3
|
|
// CHECK: [B3]
|
|
// CHECK-NEXT: default:
|
|
// CHECK-NEXT: 1: CFGScopeBegin(a)
|
|
// CHECK-NEXT: 2: 0
|
|
// CHECK-NEXT: 3: int a = 0;
|
|
// CHECK-NEXT: 4: i
|
|
// CHECK-NEXT: 5: ++[B3.4]
|
|
// CHECK-NEXT: 6: CFGScopeEnd(a)
|
|
// CHECK-NEXT: Preds (2): B4 B2
|
|
// CHECK-NEXT: Succs (1): B1
|
|
// CHECK: [B4]
|
|
// CHECK-NEXT: case 3:
|
|
// CHECK-NEXT: 1: '2'
|
|
// CHECK-NEXT: 2: c
|
|
// CHECK-NEXT: 3: [B4.2] = [B4.1]
|
|
// CHECK-NEXT: Preds (1): B2
|
|
// CHECK-NEXT: Succs (1): B3
|
|
// CHECK: [B5]
|
|
// CHECK-NEXT: case 2:
|
|
// CHECK-NEXT: 1: '2'
|
|
// CHECK-NEXT: 2: c
|
|
// CHECK-NEXT: 3: [B5.2] = [B5.1]
|
|
// CHECK-NEXT: T: break;
|
|
// CHECK-NEXT: Preds (1): B2
|
|
// CHECK-NEXT: Succs (1): B1
|
|
// CHECK: [B6]
|
|
// CHECK-NEXT: case 1:
|
|
// CHECK-NEXT: 1: '3'
|
|
// CHECK-NEXT: 2: c
|
|
// CHECK-NEXT: 3: [B6.2] = [B6.1]
|
|
// CHECK-NEXT: T: break;
|
|
// CHECK-NEXT: Preds (2): B2 B7
|
|
// CHECK-NEXT: Succs (1): B1
|
|
// CHECK: [B7]
|
|
// CHECK-NEXT: case 0:
|
|
// CHECK-NEXT: 1: '2'
|
|
// CHECK-NEXT: 2: c
|
|
// CHECK-NEXT: 3: [B7.2] = [B7.1]
|
|
// CHECK-NEXT: Preds (1): B2
|
|
// CHECK-NEXT: Succs (1): B6
|
|
// CHECK: [B0 (EXIT)]
|
|
// CHECK-NEXT: Preds (1): B1
|
|
void test_switch_with_compound_with_default() {
|
|
char c = '1';
|
|
switch (int i = getX()) {
|
|
case 0:
|
|
c = '2';
|
|
case 1:
|
|
c = '3';
|
|
break;
|
|
case 2: {
|
|
c = '2';
|
|
break;
|
|
}
|
|
case 3:
|
|
c = '2';
|
|
default: {
|
|
int a = 0;
|
|
++i;
|
|
}
|
|
}
|
|
int k = 1;
|
|
}
|
|
|
|
// CHECK: [B6 (ENTRY)]
|
|
// CHECK-NEXT: Succs (1): B2
|
|
// CHECK: [B1]
|
|
// CHECK-NEXT: 1: CFGScopeEnd(i)
|
|
// CHECK-NEXT: 2: 3
|
|
// CHECK-NEXT: 3: int k = 3;
|
|
// CHECK-NEXT: 4: CFGScopeEnd(c)
|
|
// CHECK-NEXT: Preds (3): B3 B4 B2
|
|
// CHECK-NEXT: Succs (1): B0
|
|
// CHECK: [B2]
|
|
// CHECK-NEXT: 1: CFGScopeBegin(c)
|
|
// CHECK-NEXT: 2: '1'
|
|
// CHECK-NEXT: 3: char c = '1';
|
|
// CHECK-NEXT: 4: CFGScopeBegin(i)
|
|
// CHECK-NEXT: 5: getX
|
|
// CHECK-NEXT: 6: [B2.5] (ImplicitCastExpr, FunctionToPointerDecay, int (*)(void))
|
|
// CHECK-NEXT: 7: [B2.6]()
|
|
// CHECK-NEXT: 8: int i = getX();
|
|
// CHECK-NEXT: 9: i
|
|
// CHECK-NEXT: 10: [B2.9] (ImplicitCastExpr, LValueToRValue, int)
|
|
// CHECK-NEXT: T: switch [B2.10]
|
|
// CHECK-NEXT: Preds (1): B6
|
|
// CHECK-NEXT: Succs (4): B3 B4 B5 B1
|
|
// CHECK: [B3]
|
|
// CHECK-NEXT: case 2:
|
|
// CHECK-NEXT: 1: '3'
|
|
// CHECK-NEXT: 2: c
|
|
// CHECK-NEXT: 3: [B3.2] = [B3.1]
|
|
// CHECK-NEXT: T: break;
|
|
// CHECK-NEXT: Preds (1): B2
|
|
// CHECK-NEXT: Succs (1): B1
|
|
// CHECK: [B4]
|
|
// CHECK-NEXT: case 1:
|
|
// CHECK-NEXT: 1: '1'
|
|
// CHECK-NEXT: 2: c
|
|
// CHECK-NEXT: 3: [B4.2] = [B4.1]
|
|
// CHECK-NEXT: T: break;
|
|
// CHECK-NEXT: Preds (2): B2 B5
|
|
// CHECK-NEXT: Succs (1): B1
|
|
// CHECK: [B5]
|
|
// CHECK-NEXT: case 0:
|
|
// CHECK-NEXT: 1: '2'
|
|
// CHECK-NEXT: 2: c
|
|
// CHECK-NEXT: 3: [B5.2] = [B5.1]
|
|
// CHECK-NEXT: Preds (1): B2
|
|
// CHECK-NEXT: Succs (1): B4
|
|
// CHECK: [B0 (EXIT)]
|
|
// CHECK-NEXT: Preds (1): B1
|
|
int test_switch_with_compound_without_default() {
|
|
char c = '1';
|
|
switch (int i = getX()) {
|
|
case 0:
|
|
c = '2';
|
|
case 1:
|
|
c = '1';
|
|
break;
|
|
case 2:
|
|
c = '3';
|
|
break;
|
|
}
|
|
int k = 3;
|
|
}
|
|
|
|
// CHECK: [B5 (ENTRY)]
|
|
// CHECK-NEXT: Succs (1): B2
|
|
// CHECK: [B1]
|
|
// CHECK-NEXT: 1: CFGScopeEnd(i)
|
|
// CHECK-NEXT: 2: 1
|
|
// CHECK-NEXT: 3: int k = 1;
|
|
// CHECK-NEXT: 4: CFGScopeEnd(s)
|
|
// CHECK-NEXT: Preds (1): B3
|
|
// CHECK-NEXT: Succs (1): B0
|
|
// CHECK: [B2]
|
|
// CHECK-NEXT: 1: CFGScopeBegin(s)
|
|
// CHECK-NEXT: 2: '1'
|
|
// CHECK-NEXT: 3: char s = '1';
|
|
// CHECK-NEXT: 4: CFGScopeBegin(i)
|
|
// CHECK-NEXT: 5: getX
|
|
// CHECK-NEXT: 6: [B2.5] (ImplicitCastExpr, FunctionToPointerDecay, int (*)(void))
|
|
// CHECK-NEXT: 7: [B2.6]()
|
|
// CHECK-NEXT: 8: int i = getX();
|
|
// CHECK-NEXT: 9: i
|
|
// CHECK-NEXT: 10: [B2.9] (ImplicitCastExpr, LValueToRValue, int)
|
|
// CHECK-NEXT: T: switch [B2.10]
|
|
// CHECK-NEXT: Preds (1): B5
|
|
// CHECK-NEXT: Succs (2): B4 B3
|
|
// CHECK: [B3]
|
|
// CHECK-NEXT: default:
|
|
// CHECK-NEXT: 1: CFGScopeBegin(a)
|
|
// CHECK-NEXT: 2: 0
|
|
// CHECK-NEXT: 3: int a = 0;
|
|
// CHECK-NEXT: 4: i
|
|
// CHECK-NEXT: 5: ++[B3.4]
|
|
// CHECK-NEXT: 6: CFGScopeEnd(a)
|
|
// CHECK-NEXT: Preds (2): B4 B2
|
|
// CHECK-NEXT: Succs (1): B1
|
|
// CHECK: [B4]
|
|
// CHECK-NEXT: case 0:
|
|
// CHECK-NEXT: Preds (1): B2
|
|
// CHECK-NEXT: Succs (1): B3
|
|
// CHECK: [B0 (EXIT)]
|
|
// CHECK-NEXT: Preds (1): B1
|
|
void test_without_compound() {
|
|
char s = '1';
|
|
switch (int i = getX())
|
|
case 0:
|
|
default: {
|
|
int a = 0;
|
|
++i;
|
|
}
|
|
int k = 1;
|
|
}
|
|
|
|
// CHECK: [B12 (ENTRY)]
|
|
// CHECK-NEXT: Succs (1): B11
|
|
// CHECK: [B1]
|
|
// CHECK-NEXT: 1: CFGScopeEnd(i)
|
|
// CHECK-NEXT: Preds (2): B4 B10
|
|
// CHECK-NEXT: Succs (1): B0
|
|
// CHECK: [B2]
|
|
// CHECK-NEXT: 1: i
|
|
// CHECK-NEXT: 2: ++[B2.1]
|
|
// CHECK-NEXT: Preds (2): B3 B7
|
|
// CHECK-NEXT: Succs (1): B10
|
|
// CHECK: [B3]
|
|
// CHECK-NEXT: 1: CFGScopeEnd(z)
|
|
// CHECK-NEXT: Succs (1): B2
|
|
// CHECK: [B4]
|
|
// CHECK-NEXT: 1: CFGScopeBegin(z)
|
|
// CHECK-NEXT: 2: 5
|
|
// CHECK-NEXT: 3: int z = 5;
|
|
// CHECK-NEXT: 4: CFGScopeEnd(z)
|
|
// CHECK-NEXT: T: break;
|
|
// CHECK-NEXT: Preds (2): B6 B8
|
|
// CHECK-NEXT: Succs (1): B1
|
|
// CHECK: [B5]
|
|
// CHECK-NEXT: 1: x
|
|
// CHECK-NEXT: 2: [B5.1] (ImplicitCastExpr, LValueToRValue, int)
|
|
// CHECK-NEXT: T: switch [B5.2]
|
|
// CHECK-NEXT: Preds (1): B10
|
|
// CHECK-NEXT: Succs (4): B7 B8 B9 B6
|
|
// CHECK: [B6]
|
|
// CHECK-NEXT: default:
|
|
// CHECK-NEXT: 1: 3
|
|
// CHECK-NEXT: 2: y
|
|
// CHECK-NEXT: 3: [B6.2] = [B6.1]
|
|
// CHECK-NEXT: Preds (1): B5
|
|
// CHECK-NEXT: Succs (1): B4
|
|
// CHECK: [B7]
|
|
// CHECK-NEXT: case 2:
|
|
// CHECK-NEXT: 1: 4
|
|
// CHECK-NEXT: 2: y
|
|
// CHECK-NEXT: 3: [B7.2] = [B7.1]
|
|
// CHECK-NEXT: T: continue;
|
|
// CHECK-NEXT: Preds (1): B5
|
|
// CHECK-NEXT: Succs (1): B2
|
|
// CHECK: [B8]
|
|
// CHECK-NEXT: case 1:
|
|
// CHECK-NEXT: 1: 2
|
|
// CHECK-NEXT: 2: y
|
|
// CHECK-NEXT: 3: [B8.2] = [B8.1]
|
|
// CHECK-NEXT: T: break;
|
|
// CHECK-NEXT: Preds (2): B5 B9
|
|
// CHECK-NEXT: Succs (1): B4
|
|
// CHECK: [B9]
|
|
// CHECK-NEXT: case 0:
|
|
// CHECK-NEXT: 1: 1
|
|
// CHECK-NEXT: 2: y
|
|
// CHECK-NEXT: 3: [B9.2] = [B9.1]
|
|
// CHECK-NEXT: Preds (1): B5
|
|
// CHECK-NEXT: Succs (1): B8
|
|
// CHECK: [B10]
|
|
// CHECK-NEXT: 1: i
|
|
// CHECK-NEXT: 2: [B10.1] (ImplicitCastExpr, LValueToRValue, int)
|
|
// CHECK-NEXT: 3: 1000
|
|
// CHECK-NEXT: 4: [B10.2] < [B10.3]
|
|
// CHECK-NEXT: T: for (...; [B10.4]; ...)
|
|
// CHECK-NEXT: Preds (2): B2 B11
|
|
// CHECK-NEXT: Succs (2): B5 B1
|
|
// CHECK: [B11]
|
|
// CHECK-NEXT: 1: CFGScopeBegin(i)
|
|
// CHECK-NEXT: 2: int i;
|
|
// CHECK-NEXT: 3: int x;
|
|
// CHECK-NEXT: 4: int y;
|
|
// CHECK-NEXT: 5: 0
|
|
// CHECK-NEXT: 6: i
|
|
// CHECK-NEXT: 7: [B11.6] = [B11.5]
|
|
// CHECK-NEXT: Preds (1): B12
|
|
// CHECK-NEXT: Succs (1): B10
|
|
// CHECK: [B0 (EXIT)]
|
|
// CHECK-NEXT: Preds (1): B1
|
|
void test_for_switch_in_for() {
|
|
int i, x, y;
|
|
for (i = 0; i < 1000; ++i) {
|
|
switch (x) {
|
|
case 0:
|
|
y = 1;
|
|
case 1:
|
|
y = 2;
|
|
break; // break from switch
|
|
case 2:
|
|
y = 4;
|
|
continue; // continue in loop
|
|
default:
|
|
y = 3;
|
|
}
|
|
{
|
|
int z = 5;
|
|
break; // break from loop
|
|
}
|
|
}
|
|
}
|