x86_64-arguments.cpp revision 67d438d39a1cc37c372a2684dc354f58d0169bb1 
1// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s
2
3// CHECK: [[i64_i64_ty:%.*]] = type { i64, i64 }
4// CHECK: [[i64_double_ty:%.*]] = type { i64, double }
5
6// Basic base class test.
7struct f0_s0 { unsigned a; };
8struct f0_s1 : public f0_s0 { void *b; };
9// CHECK: define void @_Z2f05f0_s1([[i64_i64_ty]])
10void f0(f0_s1 a0) { }
11
12// Check with two eight-bytes in base class.
13struct f1_s0 { unsigned a; unsigned b; float c; };
14struct f1_s1 : public f1_s0 { float d;};
15// CHECK: define void @_Z2f15f1_s1([[i64_double_ty]])
16void f1(f1_s1 a0) { }
17
18// Check with two eight-bytes in base class and merge.
19struct f2_s0 { unsigned a; unsigned b; float c; };
20struct f2_s1 : public f2_s0 { char d;};
21// CHECK: define void @_Z2f25f2_s1([[i64_i64_ty]])
22void f2(f2_s1 a0) { }
23
24// PR5831
25struct s3_0 {};
26struct s3_1 { struct s3_0 a; long b; };
27void f3(struct s3_1 x) {}
28
29// CHECK: define i64 @_Z4f4_0M2s4i(i64)
30// CHECK: define [[i64_i64_ty]] @_Z4f4_1M2s4FivE([[i64_i64_ty]])
31struct s4 {};
32typedef int s4::* s4_mdp;
33typedef int (s4::*s4_mfp)();
34s4_mdp f4_0(s4_mdp a) { return a; }
35s4_mfp f4_1(s4_mfp a) { return a; }
36