// RUN: %clang_analyze_cc1 -std=c++11 -analyzer-checker=debug.DumpCFG -analyzer-config cfg-rich-constructors=false %s 2>&1 | FileCheck -check-prefixes=CHECK,WARNINGS %s // RUN: %clang_analyze_cc1 -std=c++11 -analyzer-checker=debug.DumpCFG -analyzer-config cfg-rich-constructors=true %s 2>&1 | FileCheck -check-prefixes=CHECK,ANALYZER %s // This file tests how we construct two different flavors of the Clang CFG - // the CFG used by the Sema analysis-based warnings and the CFG used by the // static analyzer. The difference in the behavior is checked via FileCheck // prefixes (WARNINGS and ANALYZER respectively). When introducing new analyzer // flags, no new run lines should be added - just these flags would go to the // respective line depending on where is it turned on and where is it turned // off. Feel free to add tests that test only one of the CFG flavors if you're // not sure how the other flavor is supposed to work in your case. class A { public: A() {} A(int i) {} }; class B : public virtual A { public: B() {} B(int i) : A(i) {} }; class C : public virtual A { public: C() {} C(int i) : A(i) {} }; class TestOrder : public C, public B, public A { int i; int& r; public: TestOrder(); }; TestOrder::TestOrder() : r(i), B(), i(), C() { A a; } class TestControlFlow { int x, y, z; public: TestControlFlow(bool b); }; TestControlFlow::TestControlFlow(bool b) : y(b ? 0 : 1) , x(0) , z(y) { int v; } class TestDelegating { int x, z; public: TestDelegating() : TestDelegating(2, 3) {} TestDelegating(int x, int z) : x(x), z(z) {} }; // CHECK: [B2 (ENTRY)] // CHECK: Succs (1): B1 // CHECK: [B1] // WARNINGS: 1: (CXXConstructExpr, class A) // ANALYZER: 1: (CXXConstructExpr, A() (Base initializer), class A) // CHECK: 2: A([B1.1]) (Base initializer) // WARNINGS: 3: (CXXConstructExpr, class C) // ANALYZER: 3: (CXXConstructExpr, C() (Base initializer), class C) // CHECK: 4: C([B1.3]) (Base initializer) // WARNINGS: 5: (CXXConstructExpr, class B) // ANALYZER: 5: (CXXConstructExpr, B() (Base initializer), class B) // CHECK: 6: B([B1.5]) (Base initializer) // WARNINGS: 7: (CXXConstructExpr, class A) // ANALYZER: 7: (CXXConstructExpr, A() (Base initializer), class A) // CHECK: 8: A([B1.7]) (Base initializer) // CHECK: 9: /*implicit*/(int)0 // CHECK: 10: i([B1.9]) (Member initializer) // CHECK: 11: this // CHECK: 12: [B1.11]->i // CHECK: 13: r([B1.12]) (Member initializer) // WARNINGS: 14: (CXXConstructExpr, class A) // ANALYZER: 14: (CXXConstructExpr, [B1.15], class A) // CHECK: 15: A a; // CHECK: Preds (1): B2 // CHECK: Succs (1): B0 // CHECK: [B0 (EXIT)] // CHECK: Preds (1): B1 // CHECK: [B5 (ENTRY)] // CHECK: Succs (1): B4 // CHECK: [B1] // CHECK: 1: [B4.4] ? [B2.1] : [B3.1] // CHECK: 2: y([B1.1]) (Member initializer) // CHECK: 3: this // CHECK: 4: [B1.3]->y // CHECK: 5: [B1.4] (ImplicitCastExpr, LValueToRValue, int) // CHECK: 6: z([B1.5]) (Member initializer) // CHECK: 7: int v; // CHECK: Preds (2): B2 B3 // CHECK: Succs (1): B0 // CHECK: [B2] // CHECK: 1: 0 // CHECK: Preds (1): B4 // CHECK: Succs (1): B1 // CHECK: [B3] // CHECK: 1: 1 // CHECK: Preds (1): B4 // CHECK: Succs (1): B1 // CHECK: [B4] // CHECK: 1: 0 // CHECK: 2: x([B4.1]) (Member initializer) // CHECK: 3: b // CHECK: 4: [B4.3] (ImplicitCastExpr, LValueToRValue, _Bool) // CHECK: T: [B4.4] ? ... : ... // CHECK: Preds (1): B5 // CHECK: Succs (2): B2 B3 // CHECK: [B0 (EXIT)] // CHECK: Preds (1): B1 // CHECK: [B2 (ENTRY)] // CHECK: Succs (1): B1 // CHECK: [B1] // CHECK: 1: 2 // CHECK: 2: 3 // WARNINGS: 3: [B1.1], [B1.2] (CXXConstructExpr, class TestDelegating) // ANALYZER: 3: [B1.1], [B1.2] (CXXConstructExpr, TestDelegating([B1.1], [B1.2]) (Delegating initializer), class TestDelegating) // CHECK: 4: TestDelegating([B1.3]) (Delegating initializer) // CHECK: Preds (1): B2 // CHECK: Succs (1): B0 // CHECK: [B0 (EXIT)] // CHECK: Preds (1): B1