1 // RUN: rm -rf %t && mkdir %t 2 // RUN: mkdir -p %t/ctudir 3 // RUN: %clang_cc1 -triple x86_64-pc-linux-gnu \ 4 // RUN: -emit-pch -o %t/ctudir/ctu-other.cpp.ast %S/Inputs/ctu-other.cpp 5 // RUN: %clang_cc1 -triple x86_64-pc-linux-gnu \ 6 // RUN: -emit-pch -o %t/ctudir/ctu-chain.cpp.ast %S/Inputs/ctu-chain.cpp 7 // RUN: cp %S/Inputs/ctu-other.cpp.externalDefMap.txt %t/ctudir/externalDefMap.txt 8 // RUN: %clang_analyze_cc1 -triple x86_64-pc-linux-gnu \ 9 // RUN: -analyzer-checker=core,debug.ExprInspection \ 10 // RUN: -analyzer-config experimental-enable-naive-ctu-analysis=true \ 11 // RUN: -analyzer-config ctu-dir=%t/ctudir \ 12 // RUN: -verify %s 13 // RUN: %clang_analyze_cc1 -triple x86_64-pc-linux-gnu \ 14 // RUN: -analyzer-checker=core,debug.ExprInspection \ 15 // RUN: -analyzer-config experimental-enable-naive-ctu-analysis=true \ 16 // RUN: -analyzer-config ctu-dir=%t/ctudir \ 17 // RUN: -analyzer-config display-ctu-progress=true 2>&1 %s | FileCheck %s 18 19 // CHECK: CTU loaded AST file: {{.*}}ctu-other.cpp.ast 20 // CHECK: CTU loaded AST file: {{.*}}ctu-chain.cpp.ast 21 22 #include "ctu-hdr.h" 23 24 void clang_analyzer_eval(int); 25 26 int f(int); 27 int g(int); 28 int h(int); 29 callback_to_main(int x)30int callback_to_main(int x) { return x + 1; } 31 32 namespace myns { 33 int fns(int x); 34 35 namespace embed_ns { 36 int fens(int x); 37 } 38 39 class embed_cls { 40 public: 41 int fecl(int x); 42 }; 43 } 44 45 class mycls { 46 public: 47 int fcl(int x); 48 virtual int fvcl(int x); 49 static int fscl(int x); 50 51 class embed_cls2 { 52 public: 53 int fecl2(int x); 54 }; 55 }; 56 57 class derived : public mycls { 58 public: 59 virtual int fvcl(int x) override; 60 }; 61 62 namespace chns { 63 int chf1(int x); 64 } 65 66 int fun_using_anon_struct(int); 67 int other_macro_diag(int); 68 69 extern const int extInt; 70 namespace intns { 71 extern const int extInt; 72 } 73 struct S { 74 int a; 75 }; 76 extern const S extS; 77 extern const int extHere; 78 const int extHere = 6; 79 struct A { 80 static const int a; 81 }; 82 struct SC { 83 const int a; 84 }; 85 extern SC extSC; 86 struct ST { 87 static struct SC sc; 88 }; 89 struct SCNest { 90 struct SCN { 91 const int a; 92 } scn; 93 }; 94 extern SCNest extSCN; 95 extern SCNest::SCN extSubSCN; 96 struct SCC { 97 SCC(int c); 98 const int a; 99 }; 100 extern SCC extSCC; 101 union U { 102 const int a; 103 const unsigned int b; 104 }; 105 extern U extU; 106 test_virtual_functions(mycls * obj)107void test_virtual_functions(mycls* obj) { 108 // The dynamic type is known. 109 clang_analyzer_eval(mycls().fvcl(1) == 8); // expected-warning{{TRUE}} 110 clang_analyzer_eval(derived().fvcl(1) == 9); // expected-warning{{TRUE}} 111 // We cannot decide about the dynamic type. 112 clang_analyzer_eval(obj->fvcl(1) == 8); // expected-warning{{FALSE}} expected-warning{{TRUE}} 113 } 114 main()115int main() { 116 clang_analyzer_eval(f(3) == 2); // expected-warning{{TRUE}} 117 clang_analyzer_eval(f(4) == 3); // expected-warning{{TRUE}} 118 clang_analyzer_eval(f(5) == 3); // expected-warning{{FALSE}} 119 clang_analyzer_eval(g(4) == 6); // expected-warning{{TRUE}} 120 clang_analyzer_eval(h(2) == 8); // expected-warning{{TRUE}} 121 122 clang_analyzer_eval(myns::fns(2) == 9); // expected-warning{{TRUE}} 123 clang_analyzer_eval(myns::embed_ns::fens(2) == -1); // expected-warning{{TRUE}} 124 clang_analyzer_eval(mycls().fcl(1) == 6); // expected-warning{{TRUE}} 125 clang_analyzer_eval(mycls::fscl(1) == 7); // expected-warning{{TRUE}} 126 clang_analyzer_eval(myns::embed_cls().fecl(1) == -6); // expected-warning{{TRUE}} 127 clang_analyzer_eval(mycls::embed_cls2().fecl2(0) == -11); // expected-warning{{TRUE}} 128 129 clang_analyzer_eval(chns::chf1(4) == 12); // expected-warning{{TRUE}} 130 clang_analyzer_eval(fun_using_anon_struct(8) == 8); // expected-warning{{TRUE}} 131 132 clang_analyzer_eval(other_macro_diag(1) == 1); // expected-warning{{TRUE}} 133 // expected-warning@Inputs/ctu-other.cpp:93{{REACHABLE}} 134 MACRODIAG(); // expected-warning{{REACHABLE}} 135 136 clang_analyzer_eval(extInt == 2); // expected-warning{{TRUE}} 137 clang_analyzer_eval(intns::extInt == 3); // expected-warning{{TRUE}} 138 clang_analyzer_eval(extS.a == 4); // expected-warning{{TRUE}} 139 clang_analyzer_eval(extHere == 6); // expected-warning{{TRUE}} 140 clang_analyzer_eval(A::a == 3); // expected-warning{{TRUE}} 141 clang_analyzer_eval(extSC.a == 8); // expected-warning{{TRUE}} 142 clang_analyzer_eval(ST::sc.a == 2); // expected-warning{{TRUE}} 143 // clang_analyzer_eval(extSCN.scn.a == 9); // TODO 144 clang_analyzer_eval(extSubSCN.a == 1); // expected-warning{{TRUE}} 145 // clang_analyzer_eval(extSCC.a == 7); // TODO 146 clang_analyzer_eval(extU.a == 4); // expected-warning{{TRUE}} 147 } 148