1// RUN: %clang_cc1 -triple le32-unknown-nacl %s -emit-llvm -o - | FileCheck %s
2
3// Basic argument/attribute tests for le32/PNaCl
4
5// CHECK-LABEL: define void @f0(i32 %i, i32 %j, double %k)
6void f0(int i, long j, double k) {}
7
8typedef struct {
9  int aa;
10  int bb;
11} s1;
12// Structs should be passed byval and not split up
13// CHECK-LABEL: define void @f1(%struct.s1* byval %i)
14void f1(s1 i) {}
15
16typedef struct {
17  int cc;
18} s2;
19// Structs should be returned sret and not simplified by the frontend
20// CHECK-LABEL: define void @f2(%struct.s2* noalias sret %agg.result)
21s2 f2() {
22  s2 foo;
23  return foo;
24}
25
26// CHECK-LABEL: define void @f3(i64 %i)
27void f3(long long i) {}
28
29// i8/i16 should be signext, i32 and higher should not
30// CHECK-LABEL: define void @f4(i8 signext %a, i16 signext %b)
31void f4(char a, short b) {}
32
33// CHECK-LABEL: define void @f5(i8 zeroext %a, i16 zeroext %b)
34void f5(unsigned char a, unsigned short b) {}
35
36
37enum my_enum {
38  ENUM1,
39  ENUM2,
40  ENUM3,
41};
42// Enums should be treated as the underlying i32
43// CHECK-LABEL: define void @f6(i32 %a)
44void f6(enum my_enum a) {}
45
46union simple_union {
47  int a;
48  char b;
49};
50// Unions should be passed as byval structs
51// CHECK-LABEL: define void @f7(%union.simple_union* byval %s)
52void f7(union simple_union s) {}
53
54typedef struct {
55  int b4 : 4;
56  int b3 : 3;
57  int b8 : 8;
58} bitfield1;
59// Bitfields should be passed as byval structs
60// CHECK-LABEL: define void @f8(%struct.bitfield1* byval %bf1)
61void f8(bitfield1 bf1) {}
62