1// RUN: %clang_cc1 -triple lanai-unknown-unknown %s -emit-llvm -o - \ 2// RUN: | FileCheck %s 3 4// Basic argument/attribute tests for Lanai. 5 6// CHECK: define void @f0(i32 inreg %i, i32 inreg %j, i64 inreg %k) 7void f0(int i, long j, long long k) {} 8 9typedef struct { 10 int aa; 11 int bb; 12} s1; 13// CHECK: define void @f1(i32 inreg %i.coerce0, i32 inreg %i.coerce1) 14void f1(s1 i) {} 15 16typedef struct { 17 int cc; 18} s2; 19// CHECK: define void @f2(%struct.s2* noalias sret %agg.result) 20s2 f2() { 21 s2 foo; 22 return foo; 23} 24 25typedef struct { 26 int cc; 27 int dd; 28} s3; 29// CHECK: define void @f3(%struct.s3* noalias sret %agg.result) 30s3 f3() { 31 s3 foo; 32 return foo; 33} 34 35// CHECK: define void @f4(i64 inreg %i) 36void f4(long long i) {} 37 38// CHECK: define void @f5(i8 inreg %a, i16 inreg %b) 39void f5(char a, short b) {} 40 41// CHECK: define void @f6(i8 inreg %a, i16 inreg %b) 42void f6(unsigned char a, unsigned short b) {} 43 44enum my_enum { 45 ENUM1, 46 ENUM2, 47 ENUM3, 48}; 49// Enums should be treated as the underlying i32. 50// CHECK: define void @f7(i32 inreg %a) 51void f7(enum my_enum a) {} 52 53enum my_big_enum { 54 ENUM4 = 0xFFFFFFFFFFFFFFFF, 55}; 56// Big enums should be treated as the underlying i64. 57// CHECK: define void @f8(i64 inreg %a) 58void f8(enum my_big_enum a) {} 59 60union simple_union { 61 int a; 62 char b; 63}; 64// Unions should be passed inreg. 65// CHECK: define void @f9(i32 inreg %s.coerce) 66void f9(union simple_union s) {} 67 68typedef struct { 69 int b4 : 4; 70 int b3 : 3; 71 int b8 : 8; 72} bitfield1; 73// Bitfields should be passed inreg. 74// CHECK: define void @f10(i32 inreg %bf1.coerce) 75void f10(bitfield1 bf1) {} 76