llvm-project/clang/test/CodeGenCXX/this-nonnull.cpp

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C++

// RUN: %clang_cc1 -S -emit-llvm -o - -triple=x86_64-linux-gnu %s | FileCheck %s -check-prefix=CHECK-YES
// RUN: %clang_cc1 -S -emit-llvm -o - -fno-delete-null-pointer-checks -triple=x86_64-linux-gnu %s | FileCheck %s -check-prefix=CHECK-NO
struct Struct {
int many;
int member;
int fields;
void ReturnsVoid();
};
void TestReturnsVoid(Struct &s) {
s.ReturnsVoid();
// CHECK-YES: call void @_ZN6Struct11ReturnsVoidEv(%struct.Struct* noundef %0)
/// FIXME Use dereferenceable after dereferenceable respects NullPointerIsValid.
// CHECK-NO: call void @_ZN6Struct11ReturnsVoidEv(%struct.Struct* noundef %0)
}
// CHECK-YES: declare void @_ZN6Struct11ReturnsVoidEv(%struct.Struct* noundef)
// CHECK-NO: declare void @_ZN6Struct11ReturnsVoidEv(%struct.Struct* noundef)