forked from OSchip/llvm-project
784 lines
23 KiB
C++
784 lines
23 KiB
C++
// RUN: %clang_cc1 -fcxx-exceptions -fexceptions -analyze -analyzer-checker=debug.DumpCFG -analyzer-config cfg-lifetime=true -analyzer-config cfg-implicit-dtors=false %s > %t 2>&1
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// RUN: FileCheck --input-file=%t %s
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extern bool UV;
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class A {
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public:
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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: true
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// CHECK-NEXT: 2: UV
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// CHECK-NEXT: 3: [B1.2] = [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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A() {
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UV = true;
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}
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// CHECK: [B3 (ENTRY)]
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// CHECK-NEXT: Succs (1): B2
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// CHECK: [B1]
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// CHECK-NEXT: 1: 0
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// CHECK-NEXT: 2: this
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// CHECK-NEXT: 3: [B1.2]->p
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// CHECK-NEXT: 4: [B1.3] (ImplicitCastExpr, LValueToRValue, int *)
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// CHECK-NEXT: 5: *[B1.4]
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// CHECK-NEXT: 6: [B1.5] = [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: [B2]
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// CHECK-NEXT: 1: this
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// CHECK-NEXT: 2: [B2.1]->p
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// CHECK-NEXT: 3: [B2.2] (ImplicitCastExpr, LValueToRValue, int *)
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// CHECK-NEXT: 4: [B2.3] (ImplicitCastExpr, PointerToBoolean, _Bool)
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// CHECK-NEXT: T: if [B2.4]
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// CHECK-NEXT: Preds (1): B3
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// CHECK-NEXT: Succs (2): B1 B0
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// CHECK: [B0 (EXIT)]
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// CHECK-NEXT: Preds (2): B1 B2
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~A() {
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if (p)
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*p = 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: 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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int *p;
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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: (CXXConstructExpr, class A)
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// CHECK-NEXT: 2: A a;
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// CHECK-NEXT: 3: a
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// CHECK-NEXT: 4: [B1.3] (ImplicitCastExpr, NoOp, const class A)
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// CHECK-NEXT: 5: const A &b = a;
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// CHECK-NEXT: 6: A() (CXXConstructExpr, class A)
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// CHECK-NEXT: 7: [B1.6] (BindTemporary)
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// CHECK-NEXT: 8: [B1.7] (ImplicitCastExpr, NoOp, const class A)
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// CHECK-NEXT: 9: [B1.8]
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// CHECK-NEXT: 10: const A &c = A();
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// CHECK-NEXT: 11: [B1.10] (Lifetime ends)
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// CHECK-NEXT: 12: [B1.2] (Lifetime ends)
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// CHECK-NEXT: 13: [B1.5] (Lifetime ends)
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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_const_ref() {
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A a;
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const A &b = a;
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const A &c = A();
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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: (CXXConstructExpr, class A [2])
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// CHECK-NEXT: 2: A a[2];
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// CHECK-NEXT: 3: (CXXConstructExpr, class A [0])
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// CHECK-NEXT: 4: A b[0];
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// lifetime of a ends when its destructors are run
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// CHECK-NEXT: 5: [B1.2] (Lifetime ends)
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// lifetime of b ends when its storage duration ends
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// CHECK-NEXT: 6: [B1.4] (Lifetime ends)
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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: (CXXConstructExpr, class A)
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// CHECK-NEXT: 2: A a;
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// CHECK-NEXT: 3: (CXXConstructExpr, class A)
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// CHECK-NEXT: 4: A c;
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// CHECK-NEXT: 5: (CXXConstructExpr, class A)
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// CHECK-NEXT: 6: A d;
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// CHECK-NEXT: 7: [B1.6] (Lifetime ends)
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// CHECK-NEXT: 8: [B1.4] (Lifetime ends)
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// CHECK-NEXT: 9: (CXXConstructExpr, class A)
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// CHECK-NEXT: 10: A b;
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// CHECK-NEXT: 11: [B1.10] (Lifetime ends)
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// CHECK-NEXT: 12: [B1.2] (Lifetime ends)
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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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{
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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, class A)
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// CHECK-NEXT: 2: A c;
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// CHECK-NEXT: 3: [B1.2] (Lifetime ends)
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// CHECK-NEXT: 4: [B3.4] (Lifetime ends)
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// CHECK-NEXT: 5: [B3.2] (Lifetime ends)
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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: [B3.4] (Lifetime ends)
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// CHECK-NEXT: 3: [B3.2] (Lifetime ends)
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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: (CXXConstructExpr, class A)
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// CHECK-NEXT: 2: A a;
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// CHECK-NEXT: 3: (CXXConstructExpr, class A)
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// CHECK-NEXT: 4: A b;
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// CHECK-NEXT: 5: UV
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// CHECK-NEXT: 6: [B3.5] (ImplicitCastExpr, LValueToRValue, _Bool)
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// CHECK-NEXT: T: if [B3.6]
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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)
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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: [B4.6] (Lifetime ends)
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// CHECK-NEXT: 2: [B4.2] (Lifetime ends)
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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: (CXXConstructExpr, class A)
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// CHECK-NEXT: 2: A c;
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// CHECK-NEXT: 3: [B2.2] (Lifetime ends)
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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: (CXXConstructExpr, class A)
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// CHECK-NEXT: 2: A c;
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// CHECK-NEXT: 3: [B3.2] (Lifetime ends)
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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: (CXXConstructExpr, class A)
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// CHECK-NEXT: 2: A a;
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// CHECK-NEXT: 3: a
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// CHECK-NEXT: 4: [B4.3] (ImplicitCastExpr, NoOp, const class A)
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// CHECK-NEXT: 5: [B4.4] (CXXConstructExpr, class A)
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// CHECK-NEXT: 6: A b = a;
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// CHECK-NEXT: 7: b
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// CHECK-NEXT: 8: [B4.7] (ImplicitCastExpr, NoOp, const class A)
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// CHECK-NEXT: 9: [B4.8].operator int
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// CHECK-NEXT: 10: [B4.8]
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// CHECK-NEXT: 11: [B4.10] (ImplicitCastExpr, UserDefinedConversion, int)
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// CHECK-NEXT: 12: [B4.11] (ImplicitCastExpr, IntegralToBoolean, _Bool)
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// CHECK-NEXT: T: if [B4.12]
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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
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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: [B8.6] (Lifetime ends)
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// CHECK-NEXT: 2: (CXXConstructExpr, class A)
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// CHECK-NEXT: 3: A e;
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// CHECK-NEXT: 4: [B1.3] (Lifetime ends)
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// CHECK-NEXT: 5: [B8.2] (Lifetime ends)
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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, class A)
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// CHECK-NEXT: 2: A d;
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// CHECK-NEXT: 3: [B2.2] (Lifetime ends)
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// CHECK-NEXT: 4: [B4.2] (Lifetime ends)
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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: [B4.2] (Lifetime ends)
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// CHECK-NEXT: 3: [B8.6] (Lifetime ends)
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// CHECK-NEXT: 4: [B8.2] (Lifetime ends)
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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: (CXXConstructExpr, class A)
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// CHECK-NEXT: 2: A c;
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// CHECK-NEXT: 3: UV
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// CHECK-NEXT: 4: [B4.3] (ImplicitCastExpr, LValueToRValue, _Bool)
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// CHECK-NEXT: T: if [B4.4]
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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, class A)
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// CHECK-NEXT: 2: A d;
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// CHECK-NEXT: 3: [B5.2] (Lifetime ends)
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// CHECK-NEXT: 4: [B7.2] (Lifetime ends)
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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: [B7.2] (Lifetime ends)
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// CHECK-NEXT: 3: [B8.6] (Lifetime ends)
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// CHECK-NEXT: 4: [B8.2] (Lifetime ends)
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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: (CXXConstructExpr, class A)
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// CHECK-NEXT: 2: A c;
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// CHECK-NEXT: 3: UV
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// CHECK-NEXT: 4: [B7.3] (ImplicitCastExpr, LValueToRValue, _Bool)
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// CHECK-NEXT: T: if [B7.4]
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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: (CXXConstructExpr, class A)
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// CHECK-NEXT: 2: A a;
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// CHECK-NEXT: 3: a
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// CHECK-NEXT: 4: [B8.3] (ImplicitCastExpr, NoOp, const class A)
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// CHECK-NEXT: 5: [B8.4] (CXXConstructExpr, class A)
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// CHECK-NEXT: 6: A b = a;
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// CHECK-NEXT: 7: b
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// CHECK-NEXT: 8: [B8.7] (ImplicitCastExpr, NoOp, const class A)
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// CHECK-NEXT: 9: [B8.8].operator int
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// CHECK-NEXT: 10: [B8.8]
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// CHECK-NEXT: 11: [B8.10] (ImplicitCastExpr, UserDefinedConversion, int)
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// CHECK-NEXT: 12: [B8.11] (ImplicitCastExpr, IntegralToBoolean, _Bool)
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// CHECK-NEXT: T: if [B8.12]
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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)
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return;
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A d;
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} else {
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A c;
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if (UV)
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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: [B4.4] (Lifetime ends)
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// CHECK-NEXT: 2: [B5.2] (Lifetime ends)
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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: (CXXConstructExpr, class A)
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// CHECK-NEXT: 2: A c;
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// CHECK-NEXT: 3: [B3.2] (Lifetime ends)
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// CHECK-NEXT: 4: [B4.4] (Lifetime ends)
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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: a
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// CHECK-NEXT: 2: [B4.1] (ImplicitCastExpr, NoOp, const class A)
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// CHECK-NEXT: 3: [B4.2] (CXXConstructExpr, class A)
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// CHECK-NEXT: 4: A b = a;
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// CHECK-NEXT: 5: b
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// CHECK-NEXT: 6: [B4.5] (ImplicitCastExpr, NoOp, const class A)
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// CHECK-NEXT: 7: [B4.6].operator int
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// CHECK-NEXT: 8: [B4.6]
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// CHECK-NEXT: 9: [B4.8] (ImplicitCastExpr, UserDefinedConversion, int)
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// CHECK-NEXT: 10: [B4.9] (ImplicitCastExpr, IntegralToBoolean, _Bool)
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// CHECK-NEXT: T: while [B4.10]
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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: (CXXConstructExpr, class A)
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// CHECK-NEXT: 2: 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: [B10.4] (Lifetime ends)
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// CHECK-NEXT: 2: (CXXConstructExpr, class A)
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// CHECK-NEXT: 3: A e;
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// CHECK-NEXT: 4: [B1.3] (Lifetime ends)
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// CHECK-NEXT: 5: [B11.2] (Lifetime ends)
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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, class A)
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// CHECK-NEXT: 2: A d;
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// CHECK-NEXT: 3: [B3.2] (Lifetime ends)
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// CHECK-NEXT: 4: [B9.2] (Lifetime ends)
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// CHECK-NEXT: 5: [B10.4] (Lifetime ends)
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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: [B9.2] (Lifetime ends)
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// CHECK-NEXT: 3: [B10.4] (Lifetime ends)
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// CHECK-NEXT: 4: [B11.2] (Lifetime ends)
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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: [B9.2] (Lifetime ends)
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// CHECK-NEXT: 2: [B10.4] (Lifetime ends)
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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: [B9.2] (Lifetime ends)
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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: (CXXConstructExpr, class A)
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// CHECK-NEXT: 2: A c;
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// CHECK-NEXT: 3: UV
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// CHECK-NEXT: 4: [B9.3] (ImplicitCastExpr, LValueToRValue, _Bool)
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// CHECK-NEXT: T: if [B9.4]
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// CHECK-NEXT: Preds (1): B10
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// CHECK-NEXT: Succs (2): B8 B7
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// CHECK: [B10]
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// CHECK-NEXT: 1: a
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// CHECK-NEXT: 2: [B10.1] (ImplicitCastExpr, NoOp, const class A)
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// CHECK-NEXT: 3: [B10.2] (CXXConstructExpr, class A)
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// CHECK-NEXT: 4: A b = a;
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// CHECK-NEXT: 5: b
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// CHECK-NEXT: 6: [B10.5] (ImplicitCastExpr, NoOp, const class A)
|
|
// CHECK-NEXT: 7: [B10.6].operator int
|
|
// CHECK-NEXT: 8: [B10.6]
|
|
// CHECK-NEXT: 9: [B10.8] (ImplicitCastExpr, UserDefinedConversion, int)
|
|
// CHECK-NEXT: 10: [B10.9] (ImplicitCastExpr, IntegralToBoolean, _Bool)
|
|
// CHECK-NEXT: T: while [B10.10]
|
|
// CHECK-NEXT: Preds (2): B2 B11
|
|
// CHECK-NEXT: Succs (2): B9 B1
|
|
// CHECK: [B11]
|
|
// CHECK-NEXT: 1: (CXXConstructExpr, class A)
|
|
// CHECK-NEXT: 2: 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, class A)
|
|
// CHECK-NEXT: 2: A d;
|
|
// CHECK-NEXT: 3: [B1.2] (Lifetime ends)
|
|
// CHECK-NEXT: 4: [B11.2] (Lifetime ends)
|
|
// 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] (Lifetime ends)
|
|
// CHECK-NEXT: 4: [B9.2] (Lifetime ends)
|
|
// CHECK-NEXT: Preds (1): B5
|
|
// CHECK-NEXT: Succs (1): B2
|
|
// CHECK: [B4]
|
|
// CHECK-NEXT: 1: return;
|
|
// CHECK-NEXT: 2: [B9.2] (Lifetime ends)
|
|
// CHECK-NEXT: 3: [B11.2] (Lifetime ends)
|
|
// 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: [B9.2] (Lifetime ends)
|
|
// 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: [B9.2] (Lifetime ends)
|
|
// CHECK-NEXT: T: break;
|
|
// CHECK-NEXT: Preds (1): B9
|
|
// CHECK-NEXT: Succs (1): B1
|
|
// CHECK: [B9]
|
|
// CHECK-NEXT: 1: (CXXConstructExpr, class A)
|
|
// CHECK-NEXT: 2: A b;
|
|
// CHECK-NEXT: 3: UV
|
|
// CHECK-NEXT: 4: [B9.3] (ImplicitCastExpr, LValueToRValue, _Bool)
|
|
// CHECK-NEXT: T: if [B9.4]
|
|
// 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: (CXXConstructExpr, class A)
|
|
// CHECK-NEXT: 2: 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: [B4.4] (Lifetime ends)
|
|
// CHECK-NEXT: 2: [B5.2] (Lifetime ends)
|
|
// 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: (CXXConstructExpr, class A)
|
|
// CHECK-NEXT: 2: A c;
|
|
// CHECK-NEXT: 3: [B3.2] (Lifetime ends)
|
|
// CHECK-NEXT: 4: [B4.4] (Lifetime ends)
|
|
// CHECK-NEXT: Preds (1): B4
|
|
// CHECK-NEXT: Succs (1): B2
|
|
// CHECK: [B4]
|
|
// CHECK-NEXT: 1: a
|
|
// CHECK-NEXT: 2: [B4.1] (ImplicitCastExpr, NoOp, const class A)
|
|
// CHECK-NEXT: 3: [B4.2] (CXXConstructExpr, class A)
|
|
// CHECK-NEXT: 4: A b = a;
|
|
// CHECK-NEXT: 5: b
|
|
// CHECK-NEXT: 6: [B4.5] (ImplicitCastExpr, NoOp, const class A)
|
|
// CHECK-NEXT: 7: [B4.6].operator int
|
|
// CHECK-NEXT: 8: [B4.6]
|
|
// CHECK-NEXT: 9: [B4.8] (ImplicitCastExpr, UserDefinedConversion, int)
|
|
// CHECK-NEXT: 10: [B4.9] (ImplicitCastExpr, IntegralToBoolean, _Bool)
|
|
// CHECK-NEXT: T: for (...; [B4.10]; )
|
|
// CHECK-NEXT: Preds (2): B2 B5
|
|
// CHECK-NEXT: Succs (2): B3 B1
|
|
// CHECK: [B5]
|
|
// CHECK-NEXT: 1: (CXXConstructExpr, class A)
|
|
// CHECK-NEXT: 2: 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: [B10.4] (Lifetime ends)
|
|
// CHECK-NEXT: 2: [B11.4] (Lifetime ends)
|
|
// CHECK-NEXT: 3: (CXXConstructExpr, class A)
|
|
// CHECK-NEXT: 4: A f;
|
|
// CHECK-NEXT: 5: [B1.4] (Lifetime ends)
|
|
// CHECK-NEXT: 6: [B11.2] (Lifetime ends)
|
|
// 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, class A)
|
|
// CHECK-NEXT: 2: A e;
|
|
// CHECK-NEXT: 3: [B3.2] (Lifetime ends)
|
|
// CHECK-NEXT: 4: [B9.2] (Lifetime ends)
|
|
// CHECK-NEXT: 5: [B10.4] (Lifetime ends)
|
|
// CHECK-NEXT: Preds (1): B5
|
|
// CHECK-NEXT: Succs (1): B2
|
|
// CHECK: [B4]
|
|
// CHECK-NEXT: 1: return;
|
|
// CHECK-NEXT: 2: [B9.2] (Lifetime ends)
|
|
// CHECK-NEXT: 3: [B10.4] (Lifetime ends)
|
|
// CHECK-NEXT: 4: [B11.4] (Lifetime ends)
|
|
// CHECK-NEXT: 5: [B11.2] (Lifetime ends)
|
|
// 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: [B9.2] (Lifetime ends)
|
|
// 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: [B9.2] (Lifetime ends)
|
|
// CHECK-NEXT: T: break;
|
|
// CHECK-NEXT: Preds (1): B9
|
|
// CHECK-NEXT: Succs (1): B1
|
|
// CHECK: [B9]
|
|
// CHECK-NEXT: 1: (CXXConstructExpr, class A)
|
|
// CHECK-NEXT: 2: A d;
|
|
// CHECK-NEXT: 3: UV
|
|
// CHECK-NEXT: 4: [B9.3] (ImplicitCastExpr, LValueToRValue, _Bool)
|
|
// CHECK-NEXT: T: if [B9.4]
|
|
// CHECK-NEXT: Preds (1): B10
|
|
// CHECK-NEXT: Succs (2): B8 B7
|
|
// CHECK: [B10]
|
|
// CHECK-NEXT: 1: b
|
|
// CHECK-NEXT: 2: [B10.1] (ImplicitCastExpr, NoOp, const class A)
|
|
// CHECK-NEXT: 3: [B10.2] (CXXConstructExpr, class A)
|
|
// CHECK-NEXT: 4: A c = b;
|
|
// CHECK-NEXT: 5: c
|
|
// CHECK-NEXT: 6: [B10.5] (ImplicitCastExpr, NoOp, const class A)
|
|
// CHECK-NEXT: 7: [B10.6].operator int
|
|
// CHECK-NEXT: 8: [B10.6]
|
|
// CHECK-NEXT: 9: [B10.8] (ImplicitCastExpr, UserDefinedConversion, int)
|
|
// CHECK-NEXT: 10: [B10.9] (ImplicitCastExpr, IntegralToBoolean, _Bool)
|
|
// CHECK-NEXT: T: for (...; [B10.10]; )
|
|
// CHECK-NEXT: Preds (2): B2 B11
|
|
// CHECK-NEXT: Succs (2): B9 B1
|
|
// CHECK: [B11]
|
|
// CHECK-NEXT: 1: (CXXConstructExpr, class A)
|
|
// CHECK-NEXT: 2: A a;
|
|
// CHECK-NEXT: 3: (CXXConstructExpr, class A)
|
|
// CHECK-NEXT: 4: 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: [B2 (ENTRY)]
|
|
// CHECK-NEXT: Succs (1): B1
|
|
// CHECK: [B1]
|
|
// CHECK-NEXT: 1: (CXXConstructExpr, class A)
|
|
// CHECK-NEXT: 2: A a;
|
|
// CHECK-NEXT: 3: int n;
|
|
// CHECK-NEXT: 4: n
|
|
// CHECK-NEXT: 5: &[B1.4]
|
|
// CHECK-NEXT: 6: a
|
|
// CHECK-NEXT: 7: [B1.6].p
|
|
// CHECK-NEXT: 8: [B1.7] = [B1.5]
|
|
// CHECK-NEXT: 9: [B1.2] (Lifetime ends)
|
|
// CHECK-NEXT: 10: [B1.3] (Lifetime ends)
|
|
// CHECK-NEXT: Preds (1): B2
|
|
// CHECK-NEXT: Succs (1): B0
|
|
// CHECK: [B0 (EXIT)]
|
|
// CHECK-NEXT: Preds (1): B1
|
|
void test_trivial_vs_non_trivial_order() {
|
|
A a;
|
|
int n;
|
|
a.p = &n;
|
|
}
|
|
|
|
// CHECK: [B4 (ENTRY)]
|
|
// CHECK-NEXT: Succs (1): B3
|
|
// CHECK: [B1]
|
|
// CHECK-NEXT: a:
|
|
// CHECK-NEXT: 1: 1
|
|
// CHECK-NEXT: 2: i
|
|
// CHECK-NEXT: 3: [B1.2] = [B1.1]
|
|
// CHECK-NEXT: 4: [B2.1] (Lifetime ends)
|
|
// CHECK-NEXT: Preds (2): B2 B3
|
|
// CHECK-NEXT: Succs (1): B0
|
|
// CHECK: [B2]
|
|
// CHECK-NEXT: 1: int i;
|
|
// CHECK-NEXT: Succs (1): B1
|
|
// CHECK: [B3]
|
|
// CHECK-NEXT: T: goto a;
|
|
// CHECK-NEXT: Preds (1): B4
|
|
// CHECK-NEXT: Succs (1): B1
|
|
// CHECK: [B0 (EXIT)]
|
|
// CHECK-NEXT: Preds (1): B1
|
|
void goto_past_declaration() {
|
|
goto a;
|
|
int i;
|
|
a:
|
|
i = 1;
|
|
}
|
|
|
|
// CHECK: [B4 (ENTRY)]
|
|
// CHECK-NEXT: Succs (1): B3
|
|
// CHECK: [B1]
|
|
// CHECK-NEXT: a:
|
|
// CHECK-NEXT: 1: 1
|
|
// CHECK-NEXT: 2: k
|
|
// CHECK-NEXT: 3: [B1.2] = [B1.1]
|
|
// CHECK-NEXT: 4: [B2.4] (Lifetime ends)
|
|
// CHECK-NEXT: Preds (2): B2 B3
|
|
// CHECK-NEXT: Succs (1): B0
|
|
// CHECK: [B2]
|
|
// CHECK-NEXT: 1: int j;
|
|
// CHECK-NEXT: 2: [B2.1] (Lifetime ends)
|
|
// CHECK-NEXT: 3: [B3.1] (Lifetime ends)
|
|
// CHECK-NEXT: 4: int k;
|
|
// CHECK-NEXT: Succs (1): B1
|
|
// CHECK: [B3]
|
|
// CHECK-NEXT: 1: int i;
|
|
// CHECK-NEXT: 2: [B3.1] (Lifetime ends)
|
|
// CHECK-NEXT: T: goto a;
|
|
// CHECK-NEXT: Preds (1): B4
|
|
// CHECK-NEXT: Succs (1): B1
|
|
// CHECK: [B0 (EXIT)]
|
|
// CHECK-NEXT: Preds (1): B1
|
|
void goto_past_declaration2() {
|
|
{
|
|
int i;
|
|
goto a;
|
|
int j;
|
|
}
|
|
{
|
|
int k;
|
|
a:
|
|
k = 1;
|
|
}
|
|
}
|
|
|
|
struct B {
|
|
~B();
|
|
};
|
|
|
|
// CHECK: [B4 (ENTRY)]
|
|
// CHECK-NEXT: Succs (1): B3
|
|
// CHECK: [B1]
|
|
// CHECK-NEXT: 1: i
|
|
// CHECK-NEXT: 2: [B1.1]++
|
|
// CHECK-NEXT: 3: [B2.2] (Lifetime ends)
|
|
// CHECK-NEXT: 4: [B3.1] (Lifetime ends)
|
|
// CHECK-NEXT: Succs (1): B0
|
|
// CHECK: [B2]
|
|
// CHECK-NEXT: label:
|
|
// CHECK-NEXT: 1: (CXXConstructExpr, struct B)
|
|
// CHECK-NEXT: 2: B b;
|
|
// CHECK-NEXT: 3: [B2.2] (Lifetime ends)
|
|
// CHECK-NEXT: T: goto label;
|
|
// CHECK-NEXT: Preds (2): B3 B2
|
|
// CHECK-NEXT: Succs (1): B2
|
|
// CHECK: [B3]
|
|
// CHECK-NEXT: 1: int i;
|
|
// CHECK-NEXT: Preds (1): B4
|
|
// CHECK-NEXT: Succs (1): B2
|
|
// CHECK: [B0 (EXIT)]
|
|
// CHECK-NEXT: Preds (1): B1
|
|
int backpatched_goto() {
|
|
int i;
|
|
label:
|
|
B b;
|
|
goto label;
|
|
i++;
|
|
}
|