1 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s
3 // Basic base class test.
4 struct f0_s0 { unsigned a; };
5 struct f0_s1 : public f0_s0 { void *b; };
6 // CHECK-LABEL: define void @_Z2f05f0_s1(i32 %a0.coerce0, i8* %a0.coerce1)
9 // Check with two eight-bytes in base class.
10 struct f1_s0 { unsigned a; unsigned b; float c; };
11 struct f1_s1 : public f1_s0 { float d;};
12 // CHECK-LABEL: define void @_Z2f15f1_s1(i64 %a0.coerce0, <2 x float> %a0.coerce1)
15 // Check with two eight-bytes in base class and merge.
16 struct f2_s0 { unsigned a; unsigned b; float c; };
17 struct f2_s1 : public f2_s0 { char d;};
18 // CHECK-LABEL: define void @_Z2f25f2_s1(i64 %a0.coerce0, i64 %a0.coerce1)
22 // CHECK-LABEL: define void @_Z2f34s3_1(i64 %x.coerce)
24 struct s3_1 { struct s3_0 a; long b; };
25 void f3(struct s3_1 x) {}
27 // CHECK-LABEL: define i64 @_Z4f4_0M2s4i(i64 %a)
28 // CHECK: define {{.*}} @_Z4f4_1M2s4FivE(i64 %a.coerce0, i64 %a.coerce1)
30 typedef int s4::* s4_mdp;
31 typedef int (s4::*s4_mfp)();
32 s4_mdp f4_0(s4_mdp a) { return a; }
33 s4_mfp f4_1(s4_mfp a) { return a; }
41 void AddKeyword(StringRef, int x);
44 // CHECK-LABEL: define void @_ZN6PR75233fooEv()
45 // CHECK: call void @_ZN6PR752310AddKeywordENS_9StringRefEi(i8* {{.*}}, i32 4)
46 AddKeyword(StringRef(), 4);
50 namespace PR7742 { // Also rdar://8250764
55 struct c2 : public s2 {};
57 // CHECK-LABEL: define <2 x float> @_ZN6PR77423fooEPNS_2c2E(%"struct.PR7742::c2"* %P)
75 // CHECK-LABEL: define i8* @_ZN6PR51793barENS_2B2E(i32* %b2.coerce)
76 const void *bar(B2 b2) {
85 struct X : public Xbase {
93 int takeY(const Y&, int y);
95 // rdar://8340348 - The temporary for the X object needs to have a defined
96 // address when passed into X::f as 'this'.
97 takeY(getX().f(), 42);
99 // CHECK: void @_ZN5test51gEv()
100 // CHECK: alloca %"struct.test5::Y"
101 // CHECK: alloca %"struct.test5::X"
102 // CHECK: alloca %"struct.test5::Y"
110 struct epsilon_matcher {} e;
117 // CHECK-LABEL: define i32 @_ZN5test64testENS_5outerE(i64 %x.coerce0, i32 %x.coerce1)
121 struct StringRef {char* ptr; long len; };
122 class A { public: ~A(); };
123 A x(A, A, long, long, StringRef) { return A(); }
124 // Check that the StringRef is passed byval instead of expanded
125 // (which would split it between registers and memory).
126 // rdar://problem/9686430
127 // CHECK: define void @_ZN5test71xENS_1AES0_llNS_9StringRefE({{.*}} byval align 8)
129 // And a couple extra related tests:
130 A y(A, long double, long, long, StringRef) { return A(); }
131 // CHECK: define void @_ZN5test71yENS_1AEellNS_9StringRefE({{.*}} i8*
132 struct StringDouble {char * ptr; double d;};
133 A z(A, A, A, A, A, StringDouble) { return A(); }
134 A zz(A, A, A, A, StringDouble) { return A(); }
135 // CHECK: define void @_ZN5test71zENS_1AES0_S0_S0_S0_NS_12StringDoubleE({{.*}} byval align 8)
136 // CHECK: define void @_ZN5test72zzENS_1AES0_S0_S0_NS_12StringDoubleE({{.*}} i8*
140 // CHECK: declare void @_ZN5test83fooENS_1BE(%"class.test8::B"* byval align 8)
145 class B : public A {};
156 // Large enough to be passed indirectly.
157 struct S { void *data[3]; };
159 struct T { void *data[2]; };
161 // CHECK: define void @_ZN5test93fooEPNS_1SEPNS_1TE([[S:%.*]]*, [[T:%.*]]*)
164 // CHECK: define void @_ZN5test91aEiiiiNS_1TEPv([[S]]* noalias sret {{%.*}}, i32, i32, i32, i32, [[T]]* byval align 8, i8*)
165 S a(int, int, int, int, T, void*) {
169 // CHECK: define [[S]]* @_ZN5test91bEPNS_1SEiiiiNS_1TEPv([[S]]* {{%.*}}, i32, i32, i32, i32, [[T:%.*]]* byval align 8, i8*)
170 S* b(S* sret, int, int, int, int, T, void*) {
174 // CHECK: define void @_ZN5test91cEiiiNS_1TEPv([[S]]* noalias sret {{%.*}}, i32, i32, i32, i8* {{%.*}}, i8* {{%.*}}, i8*)
175 S c(int, int, int, T, void*) {
179 // CHECK: define [[S]]* @_ZN5test91dEPNS_1SEiiiNS_1TEPv([[S]]* {{%.*}}, i32, i32, i32, i8* {{%.*}}, i8* {{%.*}}, i8*)
180 S* d(S* sret, int, int, int, T, void*) {