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// REQUIRES: arm-registered-target
// RUN: %clang_cc1 -triple armv7---eabi -target-abi aapcs -mfloat-abi hard -emit-llvm %s -o - | FileCheck %s
typedef long long int64_t;
typedef unsigned int uint32_t;
/* This is not a homogenous aggregate - fundamental types are different */
typedef union {
float f[4];
uint32_t i[4];
} union_with_first_floats;
union_with_first_floats g_u_f;
extern void takes_union_with_first_floats(union_with_first_floats a);
extern union_with_first_floats returns_union_with_first_floats(void);
void test_union_with_first_floats(void) {
takes_union_with_first_floats(g_u_f);
}
// CHECK: declare arm_aapcs_vfpcc void @takes_union_with_first_floats([4 x i32])
void test_return_union_with_first_floats(void) {
g_u_f = returns_union_with_first_floats();
}
// CHECK: declare arm_aapcs_vfpcc void @returns_union_with_first_floats(%union.union_with_first_floats* sret)
/* This is not a homogenous aggregate - fundamental types are different */
typedef union {
uint32_t i[4];
float f[4];
} union_with_non_first_floats;
union_with_non_first_floats g_u_nf_f;
extern void takes_union_with_non_first_floats(union_with_non_first_floats a);
extern union_with_non_first_floats returns_union_with_non_first_floats(void);
void test_union_with_non_first_floats(void) {
takes_union_with_non_first_floats(g_u_nf_f);
}
// CHECK: declare arm_aapcs_vfpcc void @takes_union_with_non_first_floats([4 x i32])
void test_return_union_with_non_first_floats(void) {
g_u_nf_f = returns_union_with_non_first_floats();
}
// CHECK: declare arm_aapcs_vfpcc void @returns_union_with_non_first_floats(%union.union_with_non_first_floats* sret)
/* This is not a homogenous aggregate - fundamental types are different */
typedef struct {
float a;
union_with_first_floats b;
} struct_with_union_with_first_floats;
struct_with_union_with_first_floats g_s_f;
extern void takes_struct_with_union_with_first_floats(struct_with_union_with_first_floats a);
extern struct_with_union_with_first_floats returns_struct_with_union_with_first_floats(void);
void test_struct_with_union_with_first_floats(void) {
takes_struct_with_union_with_first_floats(g_s_f);
}
// CHECK: declare arm_aapcs_vfpcc void @takes_struct_with_union_with_first_floats([5 x i32])
void test_return_struct_with_union_with_first_floats(void) {
g_s_f = returns_struct_with_union_with_first_floats();
}
// CHECK: declare arm_aapcs_vfpcc void @returns_struct_with_union_with_first_floats(%struct.struct_with_union_with_first_floats* sret)
/* This is not a homogenous aggregate - fundamental types are different */
typedef struct {
float a;
union_with_non_first_floats b;
} struct_with_union_with_non_first_floats;
struct_with_union_with_non_first_floats g_s_nf_f;
extern void takes_struct_with_union_with_non_first_floats(struct_with_union_with_non_first_floats a);
extern struct_with_union_with_non_first_floats returns_struct_with_union_with_non_first_floats(void);
void test_struct_with_union_with_non_first_floats(void) {
takes_struct_with_union_with_non_first_floats(g_s_nf_f);
}
// CHECK: declare arm_aapcs_vfpcc void @takes_struct_with_union_with_non_first_floats([5 x i32])
void test_return_struct_with_union_with_non_first_floats(void) {
g_s_nf_f = returns_struct_with_union_with_non_first_floats();
}
// CHECK: declare arm_aapcs_vfpcc void @returns_struct_with_union_with_non_first_floats(%struct.struct_with_union_with_non_first_floats* sret)
/* Plain array is not a homogenous aggregate */
extern void takes_array_of_floats(float a[4]);
void test_array_of_floats(void) {
float a[4] = {1.0, 2.0, 3.0, 4.0};
takes_array_of_floats(a);
}
// CHECK: declare arm_aapcs_vfpcc void @takes_array_of_floats(float*)
/* Struct-type homogenous aggregate */
typedef struct {
float x, y, z, w;
} struct_with_fundamental_elems;
struct_with_fundamental_elems g_s;
extern void takes_struct_with_fundamental_elems(struct_with_fundamental_elems a);
extern struct_with_fundamental_elems returns_struct_with_fundamental_elems(void);
void test_struct_with_fundamental_elems(void) {
takes_struct_with_fundamental_elems(g_s);
// CHECK: call arm_aapcs_vfpcc void @takes_struct_with_fundamental_elems(float {{.*}}, float {{.*}}, float{{.*}}, float {{.*}})
}
// CHECK: declare arm_aapcs_vfpcc void @takes_struct_with_fundamental_elems(float, float, float, float)
void test_return_struct_with_fundamental_elems(void) {
g_s = returns_struct_with_fundamental_elems();
// CHECK: call arm_aapcs_vfpcc %struct.struct_with_fundamental_elems @returns_struct_with_fundamental_elems()
}
// CHECK: declare arm_aapcs_vfpcc %struct.struct_with_fundamental_elems @returns_struct_with_fundamental_elems()
/* Array-type homogenous aggregate */
typedef struct {
float xyzw[4];
} struct_with_array;
struct_with_array g_s_a;
extern void takes_struct_with_array(struct_with_array a);
extern struct_with_array returns_struct_with_array(void);
void test_struct_with_array(void) {
takes_struct_with_array(g_s_a);
// CHECK: call arm_aapcs_vfpcc void @takes_struct_with_array(float {{.*}}, float {{.*}}, float {{.*}}, float {{.*}})
}
// CHECK: declare arm_aapcs_vfpcc void @takes_struct_with_array(float, float, float, float)
void test_return_struct_with_array(void) {
g_s_a = returns_struct_with_array();
// CHECK: call arm_aapcs_vfpcc %struct.struct_with_array @returns_struct_with_array()
}
// CHECK: declare arm_aapcs_vfpcc %struct.struct_with_array @returns_struct_with_array()
/* This union is a homogenous aggregate. Check that it's passed properly */
typedef union {
struct_with_fundamental_elems xyzw;
float a[3];
} union_with_struct_with_fundamental_elems;
union_with_struct_with_fundamental_elems g_u_s_fe;
extern void takes_union_with_struct_with_fundamental_elems(union_with_struct_with_fundamental_elems a);
extern union_with_struct_with_fundamental_elems returns_union_with_struct_with_fundamental_elems(void);
void test_union_with_struct_with_fundamental_elems(void) {
takes_union_with_struct_with_fundamental_elems(g_u_s_fe);
// CHECK: call arm_aapcs_vfpcc void @takes_union_with_struct_with_fundamental_elems(float {{.*}}, float {{.*}}, float {{.*}}, float {{.*}})
}
// CHECK: declare arm_aapcs_vfpcc void @takes_union_with_struct_with_fundamental_elems(float, float, float, float)
void test_return_union_with_struct_with_fundamental_elems(void) {
g_u_s_fe = returns_union_with_struct_with_fundamental_elems();
// CHECK: call arm_aapcs_vfpcc %union.union_with_struct_with_fundamental_elems @returns_union_with_struct_with_fundamental_elems()
}
// CHECK: declare arm_aapcs_vfpcc %union.union_with_struct_with_fundamental_elems @returns_union_with_struct_with_fundamental_elems()
// Make sure HAs that can be partially fit into VFP registers will be allocated
// on stack and that later VFP candidates will go on stack as well.
typedef struct {
double x;
double a2;
double a3;
double a4;
} struct_of_four_doubles;
extern void takes_struct_of_four_doubles(double a, struct_of_four_doubles b, struct_of_four_doubles c, double d);
struct_of_four_doubles g_s4d;
void test_struct_of_four_doubles(void) {
// CHECK: test_struct_of_four_doubles
// CHECK: call arm_aapcs_vfpcc void @takes_struct_of_four_doubles(double {{.*}}, double {{.*}}, double {{.*}}, double {{.*}}, double {{.*}}, [6 x float] undef, double {{.*}}, double {{.*}}, double {{.*}}, double {{.*}}, double {{.*}})
takes_struct_of_four_doubles(3.0, g_s4d, g_s4d, 4.0);
}
extern void takes_struct_with_backfill(float f1, double a, float f2, struct_of_four_doubles b, struct_of_four_doubles c, double d);
void test_struct_with_backfill(void) {
// CHECK: test_struct_with_backfill
// CHECK: call arm_aapcs_vfpcc void @takes_struct_with_backfill(float {{.*}}, double {{.*}}, float {{.*}}, double {{.*}}, double {{.*}}, double {{.*}}, double {{.*}}, [4 x float] undef, double {{.*}}, double {{.*}}, double {{.*}}, double {{.*}}, double {{.*}})
takes_struct_with_backfill(3.0, 3.1, 3.2, g_s4d, g_s4d, 4.0);
}
typedef __attribute__(( ext_vector_type(8) )) char __char8;
typedef __attribute__(( ext_vector_type(4) )) short __short4;
typedef struct {
__char8 a1;
__short4 a2;
__char8 a3;
__short4 a4;
} struct_of_vecs;
extern void takes_struct_of_vecs(double a, struct_of_vecs b, struct_of_vecs c, double d);
struct_of_vecs g_vec;
void test_struct_of_vecs(void) {
// CHECK: test_struct_of_vecs
// CHECK: call arm_aapcs_vfpcc void @takes_struct_of_vecs(double {{.*}}, <8 x i8> {{.*}}, <4 x i16> {{.*}}, <8 x i8> {{.*}}, <4 x i16> {{.*}}, [6 x float] undef, <8 x i8> {{.*}}, <4 x i16> {{.*}}, <8 x i8> {{.*}}, <4 x i16> {{.*}}, double {{.*}})
takes_struct_of_vecs(3.0, g_vec, g_vec, 4.0);
}
// FIXME: Tests necessary:
// - Vectors
// - C++ stuff
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