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TheRock/compiler/amd-llvm/clang/test/Analysis/clang-suppress/diagnostic-identifiers.cpp
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// RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -verify %s
void clang_analyzer_warnIfReached();
// Tests for [[clang::suppress]] with diagnostic identifier arguments.
// ============================================================================
// Group A: Bare [[clang::suppress]] vs. with identifier
// ============================================================================
void bare_suppress() {
[[clang::suppress]] {
clang_analyzer_warnIfReached(); // no-warning: bare suppress works
}
}
void suppress_with_identifier() {
// FIXME: This should suppress debug.ExprInspection warnings, but currently
// any identifier makes the suppression a no-op.
[[clang::suppress("debug.ExprInspection")]] {
clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
}
}
void suppress_with_wrong_identifier() {
// Even with the wrong checker name, the current behavior is the same:
// any identifier makes the suppression a no-op.
[[clang::suppress("alpha.SomeOtherChecker")]] {
clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
}
}
// ============================================================================
// Group B: Identifier on declarations
// ============================================================================
[[clang::suppress]] void decl_bare_suppress() {
clang_analyzer_warnIfReached(); // no-warning
}
// FIXME: Should suppress, but currently identifiers disable suppression.
[[clang::suppress("debug.ExprInspection")]] void decl_with_identifier() {
clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
}
// ============================================================================
// Group C: Identifier on class
// ============================================================================
struct [[clang::suppress]] C_BareSuppressedClass {
void method() {
clang_analyzer_warnIfReached(); // no-warning
}
};
// FIXME: Should suppress, but identifiers disable suppression.
struct [[clang::suppress("core")]] C_IdentifierSuppressedClass {
void method() {
clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
}
};
// ============================================================================
// Group D: Multiple identifiers
// ============================================================================
void multiple_identifiers() {
// FIXME: Multiple identifiers — currently treated as a no-op.
[[clang::suppress("core.NullDereference", "core.DivideZero")]] {
clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
}
}
// ============================================================================
// Group E: Empty string identifier
// ============================================================================
void empty_string_identifier() {
// An empty string is still a non-empty identifier list.
[[clang::suppress("")]] {
clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
}
}
// ============================================================================
// Group F: Mixed — bare suppress and identifier suppress in same function
// ============================================================================
void mixed_suppressions() {
[[clang::suppress]] {
clang_analyzer_warnIfReached(); // no-warning: bare suppress works
}
// FIXME: Should suppress too, but identifiers disable it.
[[clang::suppress("debug.ExprInspection")]] {
clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
}
}
// ============================================================================
// Group G: Identifier on namespace
// ============================================================================
namespace [[clang::suppress]] G_BareNS {
void func() {
clang_analyzer_warnIfReached(); // no-warning
}
} // namespace G_BareNS
// FIXME: Should suppress, but identifiers disable it.
namespace [[clang::suppress("core")]] G_IdentifierNS {
void func() {
clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
}
} // namespace G_IdentifierNS