forked from OSchip/llvm-project
126 lines
3.2 KiB
C++
126 lines
3.2 KiB
C++
// RUN: %clang_analyze_cc1 -analyzer-checker=debug.DumpCallGraph %s -fblocks -std=c++14 2>&1 | FileCheck %s
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int get5() {
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return 5;
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}
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int add(int val1, int val2) {
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return val1 + val2;
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}
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int test_add() {
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return add(10, get5());
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}
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static void mmm(int y) {
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if (y != 0)
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y++;
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y = y/y;
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}
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static int foo(int x, int y) {
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mmm(y);
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if (x != 0)
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x++;
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return 5/x;
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}
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void aaa() {
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foo(1,2);
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}
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void bbb(int y) {
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int x = (y > 2);
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^ {
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foo(x, y);
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}();
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}
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void ccc();
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void ddd() { ccc(); }
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void ccc() {}
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void eee();
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void eee() {}
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void fff() { eee(); }
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// This test case tests that forward declaration for the top-level function
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// does not affect call graph construction.
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void do_nothing() {}
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void test_single_call();
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void test_single_call() {
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do_nothing();
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}
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namespace SomeNS {
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template<typename T>
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void templ(T t) {
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ccc();
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}
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template<>
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void templ<double>(double t) {
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eee();
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}
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void templUser() {
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templ(5);
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templ(5.5);
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}
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}
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namespace Lambdas {
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void Callee(){}
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void f1() {
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[](int i) {
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Callee();
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}(1);
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[](auto i) {
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Callee();
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}(1);
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}
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}
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namespace CallDecl {
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void SomeDecl();
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void SomeOtherDecl();
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void SomeDef() {}
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void Caller() {
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SomeDecl();
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SomeOtherDecl();
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}
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void SomeOtherDecl() {
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SomeDef();
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}
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}
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// CHECK:--- Call graph Dump ---
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// CHECK-NEXT: {{Function: < root > calls: get5 add test_add mmm foo aaa < > bbb ddd ccc eee fff do_nothing test_single_call SomeNS::templ SomeNS::templ SomeNS::templUser Lambdas::Callee Lambdas::f1 Lambdas::f1\(\)::\(anonymous class\)::operator\(\) Lambdas::f1\(\)::\(anonymous class\)::operator\(\) CallDecl::SomeDef CallDecl::Caller CallDecl::SomeDecl CallDecl::SomeOtherDecl $}}
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// CHECK-NEXT: {{Function: CallDecl::Caller calls: CallDecl::SomeDecl CallDecl::SomeOtherDecl $}}
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// CHECK-NEXT: {{Function: CallDecl::SomeOtherDecl calls: CallDecl::SomeDef $}}
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// CHECK-NEXT: {{Function: CallDecl::SomeDecl calls: $}}
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// CHECK-NEXT: {{Function: CallDecl::SomeDef calls: $}}
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// CHECK-NEXT: {{Function: Lambdas::f1 calls: Lambdas::f1\(\)::\(anonymous class\)::operator\(\) Lambdas::f1\(\)::\(anonymous class\)::operator\(\) $}}
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// CHECK-NEXT: {{Function: Lambdas::f1\(\)::\(anonymous class\)::operator\(\) calls: Lambdas::Callee $}}
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// CHECK-NEXT: {{Function: Lambdas::f1\(\)::\(anonymous class\)::operator\(\) calls: Lambdas::Callee $}}
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// CHECK-NEXT: {{Function: Lambdas::Callee calls: $}}
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// CHECK-NEXT: {{Function: SomeNS::templUser calls: SomeNS::templ SomeNS::templ $}}
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// CHECK-NEXT: {{Function: SomeNS::templ calls: eee $}}
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// CHECK-NEXT: {{Function: SomeNS::templ calls: ccc $}}
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// CHECK-NEXT: {{Function: test_single_call calls: do_nothing $}}
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// CHECK-NEXT: {{Function: do_nothing calls: $}}
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// CHECK-NEXT: {{Function: fff calls: eee $}}
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// CHECK-NEXT: {{Function: eee calls: $}}
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// CHECK-NEXT: {{Function: ddd calls: ccc $}}
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// CHECK-NEXT: {{Function: ccc calls: $}}
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// CHECK-NEXT: {{Function: bbb calls: < > $}}
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// CHECK-NEXT: {{Function: < > calls: foo $}}
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// CHECK-NEXT: {{Function: aaa calls: foo $}}
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// CHECK-NEXT: {{Function: foo calls: mmm $}}
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// CHECK-NEXT: {{Function: mmm calls: $}}
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// CHECK-NEXT: {{Function: test_add calls: add get5 $}}
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// CHECK-NEXT: {{Function: add calls: $}}
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// CHECK-NEXT: {{Function: get5 calls: $}}
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