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view clang/test/Analysis/template-param-objects.cpp @ 236:c4bab56944e8 llvm-original
LLVM 16
author | kono |
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date | Wed, 09 Nov 2022 17:45:10 +0900 |
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// RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection \ // RUN: -analyzer-config eagerly-assume=false -std=c++20 -verify %s template <class T> void clang_analyzer_dump(T); void clang_analyzer_eval(bool); struct Box { int value; }; bool operator ==(Box lhs, Box rhs) { return lhs.value == rhs.value; } template <Box V> void dumps() { clang_analyzer_dump(V); // expected-warning {{lazyCompoundVal}} clang_analyzer_dump(&V); // expected-warning {{Unknown}} clang_analyzer_dump(V.value); // expected-warning {{Unknown}} FIXME: It should be '6 S32b'. clang_analyzer_dump(&V.value); // expected-warning {{Unknown}} } template void dumps<Box{6}>(); // [temp.param].7.3.2: // "All such template parameters in the program of the same type with the // same value denote the same template parameter object." template <Box A1, Box A2, Box B1, Box B2> void stable_addresses() { clang_analyzer_eval(&A1 == &A2); // expected-warning {{UNKNOWN}} FIXME: It should be TRUE. clang_analyzer_eval(&B1 == &B2); // expected-warning {{UNKNOWN}} FIXME: It should be TRUE. clang_analyzer_eval(&A1 == &B2); // expected-warning {{UNKNOWN}} FIXME: It should be FALSE. clang_analyzer_eval(A1 == A2); // expected-warning {{UNKNOWN}} FIXME: It should be TRUE. clang_analyzer_eval(B1 == B2); // expected-warning {{UNKNOWN}} FIXME: It should be TRUE. clang_analyzer_eval(A1 == B2); // expected-warning {{UNKNOWN}} FIXME: It should be FALSE. } template void stable_addresses<Box{1}, Box{1}, Box{2}, Box{2}>();