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94473f4db6
Generate nuw GEPs for struct member accesses, as inbounds + non-negative implies nuw. Regression tests are updated using update scripts where possible, and by find + replace where not.
71 lines
1.7 KiB
C++
71 lines
1.7 KiB
C++
// RUN: %clang_cc1 -std=c++2b -emit-llvm -triple=x86_64-pc-win32 -o - %s 2>/dev/null | FileCheck %s
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struct S {
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friend void test();
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public:
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void a(this auto){}
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void b(this auto&){}
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void c(this S){}
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void c(this S, int){}
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private:
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void d(this auto){}
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void e(this auto&){}
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void f(this S){}
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void f(this S, int){}
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protected:
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void g(this auto){}
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void h(this auto&){}
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void i(this S){}
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void i(this S, int){}
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};
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void test() {
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S s;
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s.a();
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// CHECK: call void @"??$a@US@@@S@@SAX_VU0@@Z"
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s.b();
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// CHECK: call void @"??$b@US@@@S@@SAX_VAEAU0@@Z"
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s.c();
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// CHECK: call void @"?c@S@@SAX_VU1@@Z"
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s.c(0);
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// CHECK: call void @"?c@S@@SAX_VU1@H@Z"
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s.d();
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// CHECK: call void @"??$d@US@@@S@@CAX_VU0@@Z"
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s.e();
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// CHECK: call void @"??$e@US@@@S@@CAX_VAEAU0@@Z"
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s.f();
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// CHECK: call void @"?f@S@@CAX_VU1@@Z"
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s.f(0);
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// CHECK: call void @"?f@S@@CAX_VU1@H@Z"
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s.g();
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// CHECK: call void @"??$g@US@@@S@@KAX_VU0@@Z"
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s.h();
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// CHECK: call void @"??$h@US@@@S@@KAX_VAEAU0@@Z"
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s.i();
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// CHECK: call void @"?i@S@@KAX_VU1@@Z"
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s.i(0);
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// CHECK: call void @"?i@S@@KAX_VU1@H@Z"
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}
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struct S2 {
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int i = 0;
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void foo(this const S2&, int);
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};
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struct T {
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S2 bar(this const T&, int);
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};
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void chain_test() {
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T t;
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t.bar(0).foo(0);
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}
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// CHECK: define {{.*}}chain_test{{.*}}
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// CHECK-NEXT: entry:
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// CHECK: {{.*}} = alloca %struct.T, align 1
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// CHECK: {{.*}} = alloca %struct.S2, align 4
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// CHECK: %call = call i32 @"?bar@T@@SA?AUS2@@_VAEBU1@H@Z"{{.*}}
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// CHECK: %coerce.dive = getelementptr inbounds nuw %struct.S2, {{.*}} %{{.*}}, i32 0, i32 0
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// CHECK store i32 %call, ptr %coerce.dive, align 4
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// CHECK: call void @"?foo@S2@@SAX_VAEBU1@H@Z"
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// CHECK: ret void
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