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// RUN: %clang_cc1 -triple le32-unknown-nacl %s -emit-llvm -o - | FileCheck %s
// Basic argument/attribute tests for le32/PNaCl
// CHECK-LABEL: define void @f0(i32 %i, i32 %j, double %k)
void f0(int i, long j, double k) {}
typedef struct {
int aa;
int bb;
} s1;
// Structs should be passed byval and not split up
// CHECK-LABEL: define void @f1(%struct.s1* byval align 4 %i)
void f1(s1 i) {}
typedef struct {
int cc;
} s2;
// Structs should be returned sret and not simplified by the frontend
// CHECK-LABEL: define void @f2(%struct.s2* noalias sret %agg.result)
s2 f2() {
s2 foo;
return foo;
}
// CHECK-LABEL: define void @f3(i64 %i)
void f3(long long i) {}
// i8/i16 should be signext, i32 and higher should not
// CHECK-LABEL: define void @f4(i8 signext %a, i16 signext %b)
void f4(char a, short b) {}
// CHECK-LABEL: define void @f5(i8 zeroext %a, i16 zeroext %b)
void f5(unsigned char a, unsigned short b) {}
enum my_enum {
ENUM1,
ENUM2,
ENUM3,
};
// Enums should be treated as the underlying i32
// CHECK-LABEL: define void @f6(i32 %a)
void f6(enum my_enum a) {}
union simple_union {
int a;
char b;
};
// Unions should be passed as byval structs
// CHECK-LABEL: define void @f7(%union.simple_union* byval align 4 %s)
void f7(union simple_union s) {}
typedef struct {
int b4 : 4;
int b3 : 3;
int b8 : 8;
} bitfield1;
// Bitfields should be passed as byval structs
// CHECK-LABEL: define void @f8(%struct.bitfield1* byval align 4 %bf1)
void f8(bitfield1 bf1) {}
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