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-rw-r--r--test/Analysis/scopes-cfg-output.cpp1171
1 files changed, 1171 insertions, 0 deletions
diff --git a/test/Analysis/scopes-cfg-output.cpp b/test/Analysis/scopes-cfg-output.cpp
new file mode 100644
index 0000000000000..0f2201abb0967
--- /dev/null
+++ b/test/Analysis/scopes-cfg-output.cpp
@@ -0,0 +1,1171 @@
+// RUN: %clang_cc1 -fcxx-exceptions -fexceptions -analyze -analyzer-checker=debug.DumpCFG -analyzer-config cfg-scopes=true %s > %t 2>&1
+// RUN: FileCheck --input-file=%t %s
+
+class A {
+public:
+// CHECK: [B1 (ENTRY)]
+// CHECK-NEXT: Succs (1): B0
+// CHECK: [B0 (EXIT)]
+// CHECK-NEXT: Preds (1): B1
+ A() {}
+
+// CHECK: [B1 (ENTRY)]
+// CHECK-NEXT: Succs (1): B0
+// CHECK: [B0 (EXIT)]
+// CHECK-NEXT: Preds (1): B1
+ ~A() {}
+
+// CHECK: [B2 (ENTRY)]
+// CHECK-NEXT: Succs (1): B1
+// CHECK: [B1]
+// CHECK-NEXT: 1: 1
+// CHECK-NEXT: 2: return [B1.1];
+// CHECK-NEXT: Preds (1): B2
+// CHECK-NEXT: Succs (1): B0
+// CHECK: [B0 (EXIT)]
+// CHECK-NEXT: Preds (1): B1
+ operator int() const { return 1; }
+};
+
+int getX();
+extern const bool UV;
+
+// CHECK: [B2 (ENTRY)]
+// CHECK-NEXT: Succs (1): B1
+// CHECK: [B1]
+// CHECK-NEXT: 1: CFGScopeBegin(a)
+// CHECK-NEXT: 2: (CXXConstructExpr, [B1.3], class A [2])
+// CHECK-NEXT: 3: A a[2];
+// CHECK-NEXT: 4: (CXXConstructExpr, [B1.5], class A [0])
+// CHECK-NEXT: 5: A b[0];
+// CHECK-NEXT: 6: [B1.3].~A() (Implicit destructor)
+// CHECK-NEXT: 7: CFGScopeEnd(a)
+// CHECK-NEXT: Preds (1): B2
+// CHECK-NEXT: Succs (1): B0
+// CHECK: [B0 (EXIT)]
+// CHECK-NEXT: Preds (1): B1
+void test_array() {
+ A a[2];
+ A b[0];
+}
+
+// CHECK: [B2 (ENTRY)]
+// CHECK-NEXT: Succs (1): B1
+// CHECK: [B1]
+// CHECK-NEXT: 1: CFGScopeBegin(a)
+// CHECK-NEXT: 2: (CXXConstructExpr, [B1.3], class A)
+// CHECK-NEXT: 3: A a;
+// CHECK-NEXT: 4: CFGScopeBegin(c)
+// CHECK-NEXT: 5: (CXXConstructExpr, [B1.6], class A)
+// CHECK-NEXT: 6: A c;
+// CHECK-NEXT: 7: (CXXConstructExpr, [B1.8], class A)
+// CHECK-NEXT: 8: A d;
+// CHECK-NEXT: 9: [B1.8].~A() (Implicit destructor)
+// CHECK-NEXT: 10: [B1.6].~A() (Implicit destructor)
+// CHECK-NEXT: 11: CFGScopeEnd(c)
+// CHECK-NEXT: 12: (CXXConstructExpr, [B1.13], class A)
+// CHECK-NEXT: 13: A b;
+// CHECK-NEXT: 14: [B1.13].~A() (Implicit destructor)
+// CHECK-NEXT: 15: [B1.3].~A() (Implicit destructor)
+// CHECK-NEXT: 16: CFGScopeEnd(a)
+// CHECK-NEXT: Preds (1): B2
+// CHECK-NEXT: Succs (1): B0
+// CHECK: [B0 (EXIT)]
+// CHECK-NEXT: Preds (1): B1
+void test_scope() {
+ A a;
+ { A c;
+ A d;
+ }
+ A b;
+}
+
+// CHECK: [B4 (ENTRY)]
+// CHECK-NEXT: Succs (1): B3
+// CHECK: [B1]
+// CHECK-NEXT: 1: (CXXConstructExpr, [B1.2], class A)
+// CHECK-NEXT: 2: A c;
+// CHECK-NEXT: 3: [B1.2].~A() (Implicit destructor)
+// CHECK-NEXT: 4: [B3.5].~A() (Implicit destructor)
+// CHECK-NEXT: 5: [B3.3].~A() (Implicit destructor)
+// CHECK-NEXT: 6: CFGScopeEnd(a)
+// CHECK-NEXT: Preds (1): B3
+// CHECK-NEXT: Succs (1): B0
+// CHECK: [B2]
+// CHECK-NEXT: 1: return;
+// CHECK-NEXT: 2: [B3.5].~A() (Implicit destructor)
+// CHECK-NEXT: 3: [B3.3].~A() (Implicit destructor)
+// CHECK-NEXT: 4: CFGScopeEnd(a)
+// CHECK-NEXT: Preds (1): B3
+// CHECK-NEXT: Succs (1): B0
+// CHECK: [B3]
+// CHECK-NEXT: 1: CFGScopeBegin(a)
+// CHECK-NEXT: 2: (CXXConstructExpr, [B3.3], class A)
+// CHECK-NEXT: 3: A a;
+// CHECK-NEXT: 4: (CXXConstructExpr, [B3.5], class A)
+// CHECK-NEXT: 5: A b;
+// CHECK-NEXT: 6: UV
+// CHECK-NEXT: 7: [B3.6] (ImplicitCastExpr, LValueToRValue, _Bool)
+// CHECK-NEXT: T: if [B3.7]
+// CHECK-NEXT: Preds (1): B4
+// CHECK-NEXT: Succs (2): B2 B1
+// CHECK: [B0 (EXIT)]
+// CHECK-NEXT: Preds (2): B1 B2
+void test_return() {
+ A a;
+ A b;
+ if (UV) return;
+ A c;
+}
+
+// CHECK: [B5 (ENTRY)]
+// CHECK-NEXT: Succs (1): B4
+// CHECK: [B1]
+// CHECK-NEXT: 1: [B4.8].~A() (Implicit destructor)
+// CHECK-NEXT: 2: CFGScopeEnd(b)
+// CHECK-NEXT: 3: [B4.3].~A() (Implicit destructor)
+// CHECK-NEXT: 4: CFGScopeEnd(a)
+// CHECK-NEXT: Preds (2): B2 B3
+// CHECK-NEXT: Succs (1): B0
+// CHECK: [B2]
+// CHECK-NEXT: 1: CFGScopeBegin(c)
+// CHECK-NEXT: 2: (CXXConstructExpr, [B2.3], class A)
+// CHECK-NEXT: 3: A c;
+// CHECK-NEXT: 4: [B2.3].~A() (Implicit destructor)
+// CHECK-NEXT: 5: CFGScopeEnd(c)
+// CHECK-NEXT: Preds (1): B4
+// CHECK-NEXT: Succs (1): B1
+// 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: Preds (1): B4
+// CHECK-NEXT: Succs (1): B1
+// CHECK: [B4]
+// CHECK-NEXT: 1: CFGScopeBegin(a)
+// CHECK-NEXT: 2: (CXXConstructExpr, [B4.3], class A)
+// CHECK-NEXT: 3: A a;
+// CHECK-NEXT: 4: CFGScopeBegin(b)
+// CHECK-NEXT: 5: a
+// CHECK-NEXT: 6: [B4.5] (ImplicitCastExpr, NoOp, const class A)
+// CHECK-NEXT: 7: [B4.6] (CXXConstructExpr, [B4.8], class A)
+// CHECK-NEXT: 8: A b = a;
+// CHECK-NEXT: 9: b
+// CHECK-NEXT: 10: [B4.9] (ImplicitCastExpr, NoOp, const class A)
+// CHECK-NEXT: 11: [B4.10].operator int
+// CHECK-NEXT: 12: [B4.10]
+// CHECK-NEXT: 13: [B4.12] (ImplicitCastExpr, UserDefinedConversion, int)
+// CHECK-NEXT: 14: [B4.13] (ImplicitCastExpr, IntegralToBoolean, _Bool)
+// CHECK-NEXT: T: if [B4.14]
+// CHECK-NEXT: Preds (1): B5
+// CHECK-NEXT: Succs (2): B3 B2
+// CHECK: [B0 (EXIT)]
+// CHECK-NEXT: Preds (1): B1
+void test_if_implicit_scope() {
+ A a;
+ if (A b = a)
+ A c;
+ else A c;
+}
+
+// CHECK: [B9 (ENTRY)]
+// CHECK-NEXT: Succs (1): B8
+// CHECK: [B1]
+// CHECK-NEXT: 1: [B8.8].~A() (Implicit destructor)
+// CHECK-NEXT: 2: CFGScopeEnd(b)
+// CHECK-NEXT: 3: (CXXConstructExpr, [B1.4], class A)
+// CHECK-NEXT: 4: A e;
+// CHECK-NEXT: 5: [B1.4].~A() (Implicit destructor)
+// CHECK-NEXT: 6: [B8.3].~A() (Implicit destructor)
+// CHECK-NEXT: 7: CFGScopeEnd(a)
+// CHECK-NEXT: Preds (2): B2 B5
+// CHECK-NEXT: Succs (1): B0
+// CHECK: [B2]
+// CHECK-NEXT: 1: (CXXConstructExpr, [B2.2], class A)
+// CHECK-NEXT: 2: A d;
+// CHECK-NEXT: 3: [B2.2].~A() (Implicit destructor)
+// CHECK-NEXT: 4: [B4.3].~A() (Implicit destructor)
+// CHECK-NEXT: 5: CFGScopeEnd(c)
+// CHECK-NEXT: Preds (1): B4
+// CHECK-NEXT: Succs (1): B1
+// CHECK: [B3]
+// CHECK-NEXT: 1: return;
+// CHECK-NEXT: 2: [B4.3].~A() (Implicit destructor)
+// CHECK-NEXT: 3: CFGScopeEnd(c)
+// CHECK-NEXT: 4: [B8.8].~A() (Implicit destructor)
+// CHECK-NEXT: 5: CFGScopeEnd(b)
+// CHECK-NEXT: 6: [B8.3].~A() (Implicit destructor)
+// CHECK-NEXT: 7: CFGScopeEnd(a)
+// CHECK-NEXT: Preds (1): B4
+// CHECK-NEXT: Succs (1): B0
+// CHECK: [B4]
+// CHECK-NEXT: 1: CFGScopeBegin(c)
+// CHECK-NEXT: 2: (CXXConstructExpr, [B4.3], class A)
+// CHECK-NEXT: 3: A c;
+// CHECK-NEXT: 4: UV
+// CHECK-NEXT: 5: [B4.4] (ImplicitCastExpr, LValueToRValue, _Bool)
+// CHECK-NEXT: T: if [B4.5]
+// CHECK-NEXT: Preds (1): B8
+// CHECK-NEXT: Succs (2): B3 B2
+// CHECK: [B5]
+// CHECK-NEXT: 1: (CXXConstructExpr, [B5.2], class A)
+// CHECK-NEXT: 2: A d;
+// CHECK-NEXT: 3: [B5.2].~A() (Implicit destructor)
+// CHECK-NEXT: 4: [B7.3].~A() (Implicit destructor)
+// CHECK-NEXT: 5: CFGScopeEnd(c)
+// CHECK-NEXT: Preds (1): B7
+// CHECK-NEXT: Succs (1): B1
+// CHECK: [B6]
+// CHECK-NEXT: 1: return;
+// CHECK-NEXT: 2: [B7.3].~A() (Implicit destructor)
+// CHECK-NEXT: 3: CFGScopeEnd(c)
+// CHECK-NEXT: 4: [B8.8].~A() (Implicit destructor)
+// CHECK-NEXT: 5: CFGScopeEnd(b)
+// CHECK-NEXT: 6: [B8.3].~A() (Implicit destructor)
+// CHECK-NEXT: 7: CFGScopeEnd(a)
+// CHECK-NEXT: Preds (1): B7
+// CHECK-NEXT: Succs (1): B0
+// CHECK: [B7]
+// CHECK-NEXT: 1: CFGScopeBegin(c)
+// CHECK-NEXT: 2: (CXXConstructExpr, [B7.3], class A)
+// CHECK-NEXT: 3: A c;
+// CHECK-NEXT: 4: UV
+// CHECK-NEXT: 5: [B7.4] (ImplicitCastExpr, LValueToRValue, _Bool)
+// CHECK-NEXT: T: if [B7.5]
+// CHECK-NEXT: Preds (1): B8
+// CHECK-NEXT: Succs (2): B6 B5
+// CHECK: [B8]
+// CHECK-NEXT: 1: CFGScopeBegin(a)
+// CHECK-NEXT: 2: (CXXConstructExpr, [B8.3], class A)
+// CHECK-NEXT: 3: A a;
+// CHECK-NEXT: 4: CFGScopeBegin(b)
+// CHECK-NEXT: 5: a
+// CHECK-NEXT: 6: [B8.5] (ImplicitCastExpr, NoOp, const class A)
+// CHECK-NEXT: 7: [B8.6] (CXXConstructExpr, [B8.8], class A)
+// CHECK-NEXT: 8: A b = a;
+// CHECK-NEXT: 9: b
+// CHECK-NEXT: 10: [B8.9] (ImplicitCastExpr, NoOp, const class A)
+// CHECK-NEXT: 11: [B8.10].operator int
+// CHECK-NEXT: 12: [B8.10]
+// CHECK-NEXT: 13: [B8.12] (ImplicitCastExpr, UserDefinedConversion, int)
+// CHECK-NEXT: 14: [B8.13] (ImplicitCastExpr, IntegralToBoolean, _Bool)
+// CHECK-NEXT: T: if [B8.14]
+// CHECK-NEXT: Preds (1): B9
+// CHECK-NEXT: Succs (2): B7 B4
+// CHECK: [B0 (EXIT)]
+// CHECK-NEXT: Preds (3): B1 B3 B6
+void test_if_jumps() {
+ A a;
+ if (A b = a) {
+ A c;
+ if (UV) return;
+ A d;
+ } else {
+ A c;
+ if (UV) return;
+ A d;
+ }
+ A e;
+}
+
+// CHECK: [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: while [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_while_implicit_scope() {
+ A a;
+ while (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(b)
+// CHECK-NEXT: 3: (CXXConstructExpr, [B1.4], class A)
+// CHECK-NEXT: 4: A e;
+// CHECK-NEXT: 5: [B1.4].~A() (Implicit destructor)
+// CHECK-NEXT: 6: [B11.3].~A() (Implicit destructor)
+// CHECK-NEXT: 7: CFGScopeEnd(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 d;
+// CHECK-NEXT: 3: [B3.2].~A() (Implicit destructor)
+// CHECK-NEXT: 4: [B9.3].~A() (Implicit destructor)
+// CHECK-NEXT: 5: CFGScopeEnd(c)
+// CHECK-NEXT: 6: [B10.5].~A() (Implicit destructor)
+// CHECK-NEXT: 7: 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(c)
+// CHECK-NEXT: 4: [B10.5].~A() (Implicit destructor)
+// CHECK-NEXT: 5: CFGScopeEnd(b)
+// CHECK-NEXT: 6: [B11.3].~A() (Implicit destructor)
+// CHECK-NEXT: 7: 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(c)
+// CHECK-NEXT: 3: [B10.5].~A() (Implicit destructor)
+// CHECK-NEXT: 4: 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(c)
+// CHECK-NEXT: T: break;
+// CHECK-NEXT: Preds (1): B9
+// CHECK-NEXT: Succs (1): B1
+// CHECK: [B9]
+// CHECK-NEXT: 1: CFGScopeBegin(c)
+// CHECK-NEXT: 2: (CXXConstructExpr, [B9.3], class A)
+// CHECK-NEXT: 3: A c;
+// CHECK-NEXT: 4: UV
+// CHECK-NEXT: 5: [B9.4] (ImplicitCastExpr, LValueToRValue, _Bool)
+// CHECK-NEXT: T: if [B9.5]
+// CHECK-NEXT: Preds (1): B10
+// CHECK-NEXT: Succs (2): B8 B7
+// CHECK: [B10]
+// CHECK-NEXT: 1: CFGScopeBegin(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() (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-NEXT:}
+// CHECK-NEXT: 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
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-30 15:19:59 +0000