x86_64-arguments.cpp revision 117e3f4cd4d6ea41c3202da8729f94168c5c8239 
1// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s
2
3// Basic base class test.
4struct f0_s0 { unsigned a; };
5struct f0_s1 : public f0_s0 { void *b; };
6// CHECK: define void @_Z2f05f0_s1(i64 %a0.coerce0, i8* %a0.coerce1)
7void f0(f0_s1 a0) { }
8
9// Check with two eight-bytes in base class.
10struct f1_s0 { unsigned a; unsigned b; float c; };
11struct f1_s1 : public f1_s0 { float d;};
12// CHECK: define void @_Z2f15f1_s1(i64 %a0.coerce0, double %a0.coerce1)
13void f1(f1_s1 a0) { }
14
15// Check with two eight-bytes in base class and merge.
16struct f2_s0 { unsigned a; unsigned b; float c; };
17struct f2_s1 : public f2_s0 { char d;};
18// CHECK: define void @_Z2f25f2_s1(i64 %a0.coerce0, i64 %a0.coerce1)
19void f2(f2_s1 a0) { }
20
21// PR5831
22// CHECK: define void @_Z2f34s3_1(i64 %x.coerce)
23struct s3_0 {};
24struct s3_1 { struct s3_0 a; long b; };
25void f3(struct s3_1 x) {}
26
27// CHECK: define i64 @_Z4f4_0M2s4i(i64 %a)
28// CHECK: define {{.*}} @_Z4f4_1M2s4FivE(i64 %a.coerce0, i64 %a.coerce1)
29struct s4 {};
30typedef int s4::* s4_mdp;
31typedef int (s4::*s4_mfp)();
32s4_mdp f4_0(s4_mdp a) { return a; }
33s4_mfp f4_1(s4_mfp a) { return a; }
34
35
36namespace PR7523 {
37struct StringRef {
38  char *a;
39};
40
41void AddKeyword(StringRef, int x);
42
43void foo() {
44  // CHECK: define void @_ZN6PR75233fooEv()
45  // CHECK: call void @_ZN6PR752310AddKeywordENS_9StringRefEi(i8* {{.*}}, i32 4)
46  AddKeyword(StringRef(), 4);
47}
48}
49
50namespace PR7742 { // Also rdar://8250764
51  struct s2 {
52    float a[2];
53  };
54
55  struct c2 : public s2 {};
56
57  // CHECK: define double @_ZN6PR77423fooEPNS_2c2E(%"struct.PR7742::c2"* %P)
58  c2 foo(c2 *P) {
59  }
60
61}
62
63namespace PR5179 {
64  struct B {};
65
66  struct B1 : B {
67    int* pa;
68  };
69
70  struct B2 : B {
71    B1 b1;
72  };
73
74  // CHECK: define i8* @_ZN6PR51793barENS_2B2E(i32* %b2.coerce)
75  const void *bar(B2 b2) {
76    return b2.b1.pa;
77  }
78}
79