forked from OSchip/llvm-project
162 lines
6.6 KiB
C
162 lines
6.6 KiB
C
// REQUIRES: arm-registered-target
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// RUN: %clang_cc1 -triple armv7---eabi -target-abi aapcs -mfloat-abi hard -emit-llvm %s -o - | FileCheck %s
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typedef long long int64_t;
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typedef unsigned int uint32_t;
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/* This is not a homogenous aggregate - fundamental types are different */
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typedef union {
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float f[4];
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uint32_t i[4];
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} union_with_first_floats;
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union_with_first_floats g_u_f;
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extern void takes_union_with_first_floats(union_with_first_floats a);
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extern union_with_first_floats returns_union_with_first_floats(void);
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void test_union_with_first_floats(void) {
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takes_union_with_first_floats(g_u_f);
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}
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// CHECK: declare arm_aapcs_vfpcc void @takes_union_with_first_floats([4 x i32])
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void test_return_union_with_first_floats(void) {
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g_u_f = returns_union_with_first_floats();
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}
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// CHECK: declare arm_aapcs_vfpcc void @returns_union_with_first_floats(%union.union_with_first_floats* sret)
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/* This is not a homogenous aggregate - fundamental types are different */
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typedef union {
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uint32_t i[4];
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float f[4];
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} union_with_non_first_floats;
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union_with_non_first_floats g_u_nf_f;
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extern void takes_union_with_non_first_floats(union_with_non_first_floats a);
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extern union_with_non_first_floats returns_union_with_non_first_floats(void);
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void test_union_with_non_first_floats(void) {
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takes_union_with_non_first_floats(g_u_nf_f);
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}
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// CHECK: declare arm_aapcs_vfpcc void @takes_union_with_non_first_floats([4 x i32])
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void test_return_union_with_non_first_floats(void) {
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g_u_nf_f = returns_union_with_non_first_floats();
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}
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// CHECK: declare arm_aapcs_vfpcc void @returns_union_with_non_first_floats(%union.union_with_non_first_floats* sret)
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/* This is not a homogenous aggregate - fundamental types are different */
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typedef struct {
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float a;
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union_with_first_floats b;
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} struct_with_union_with_first_floats;
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struct_with_union_with_first_floats g_s_f;
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extern void takes_struct_with_union_with_first_floats(struct_with_union_with_first_floats a);
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extern struct_with_union_with_first_floats returns_struct_with_union_with_first_floats(void);
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void test_struct_with_union_with_first_floats(void) {
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takes_struct_with_union_with_first_floats(g_s_f);
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}
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// CHECK: declare arm_aapcs_vfpcc void @takes_struct_with_union_with_first_floats([5 x i32])
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void test_return_struct_with_union_with_first_floats(void) {
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g_s_f = returns_struct_with_union_with_first_floats();
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}
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// CHECK: declare arm_aapcs_vfpcc void @returns_struct_with_union_with_first_floats(%struct.struct_with_union_with_first_floats* sret)
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/* This is not a homogenous aggregate - fundamental types are different */
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typedef struct {
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float a;
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union_with_non_first_floats b;
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} struct_with_union_with_non_first_floats;
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struct_with_union_with_non_first_floats g_s_nf_f;
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extern void takes_struct_with_union_with_non_first_floats(struct_with_union_with_non_first_floats a);
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extern struct_with_union_with_non_first_floats returns_struct_with_union_with_non_first_floats(void);
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void test_struct_with_union_with_non_first_floats(void) {
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takes_struct_with_union_with_non_first_floats(g_s_nf_f);
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}
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// CHECK: declare arm_aapcs_vfpcc void @takes_struct_with_union_with_non_first_floats([5 x i32])
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void test_return_struct_with_union_with_non_first_floats(void) {
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g_s_nf_f = returns_struct_with_union_with_non_first_floats();
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}
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// CHECK: declare arm_aapcs_vfpcc void @returns_struct_with_union_with_non_first_floats(%struct.struct_with_union_with_non_first_floats* sret)
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/* Plain array is not a homogenous aggregate */
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extern void takes_array_of_floats(float a[4]);
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void test_array_of_floats(void) {
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float a[4] = {1.0, 2.0, 3.0, 4.0};
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takes_array_of_floats(a);
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}
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// CHECK: declare arm_aapcs_vfpcc void @takes_array_of_floats(float*)
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/* Struct-type homogenous aggregate */
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typedef struct {
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float x, y, z, w;
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} struct_with_fundamental_elems;
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struct_with_fundamental_elems g_s;
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extern void takes_struct_with_fundamental_elems(struct_with_fundamental_elems a);
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extern struct_with_fundamental_elems returns_struct_with_fundamental_elems(void);
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void test_struct_with_fundamental_elems(void) {
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takes_struct_with_fundamental_elems(g_s);
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// CHECK: call arm_aapcs_vfpcc void @takes_struct_with_fundamental_elems(float {{.*}}, float {{.*}}, float{{.*}}, float {{.*}})
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}
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// CHECK: declare arm_aapcs_vfpcc void @takes_struct_with_fundamental_elems(float, float, float, float)
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void test_return_struct_with_fundamental_elems(void) {
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g_s = returns_struct_with_fundamental_elems();
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// CHECK: call arm_aapcs_vfpcc %struct.struct_with_fundamental_elems @returns_struct_with_fundamental_elems()
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}
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// CHECK: declare arm_aapcs_vfpcc %struct.struct_with_fundamental_elems @returns_struct_with_fundamental_elems()
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/* Array-type homogenous aggregate */
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typedef struct {
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float xyzw[4];
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} struct_with_array;
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struct_with_array g_s_a;
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extern void takes_struct_with_array(struct_with_array a);
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extern struct_with_array returns_struct_with_array(void);
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void test_struct_with_array(void) {
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takes_struct_with_array(g_s_a);
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// CHECK: call arm_aapcs_vfpcc void @takes_struct_with_array(float {{.*}}, float {{.*}}, float {{.*}}, float {{.*}})
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}
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// CHECK: declare arm_aapcs_vfpcc void @takes_struct_with_array(float, float, float, float)
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void test_return_struct_with_array(void) {
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g_s_a = returns_struct_with_array();
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// CHECK: call arm_aapcs_vfpcc %struct.struct_with_array @returns_struct_with_array()
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}
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// CHECK: declare arm_aapcs_vfpcc %struct.struct_with_array @returns_struct_with_array()
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/* This union is a homogenous aggregate. Check that it's passed properly */
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typedef union {
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struct_with_fundamental_elems xyzw;
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float a[3];
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} union_with_struct_with_fundamental_elems;
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union_with_struct_with_fundamental_elems g_u_s_fe;
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extern void takes_union_with_struct_with_fundamental_elems(union_with_struct_with_fundamental_elems a);
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extern union_with_struct_with_fundamental_elems returns_union_with_struct_with_fundamental_elems(void);
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void test_union_with_struct_with_fundamental_elems(void) {
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takes_union_with_struct_with_fundamental_elems(g_u_s_fe);
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// CHECK: call arm_aapcs_vfpcc void @takes_union_with_struct_with_fundamental_elems(float {{.*}}, float {{.*}}, float {{.*}}, float {{.*}})
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}
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// CHECK: declare arm_aapcs_vfpcc void @takes_union_with_struct_with_fundamental_elems(float, float, float, float)
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void test_return_union_with_struct_with_fundamental_elems(void) {
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g_u_s_fe = returns_union_with_struct_with_fundamental_elems();
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// CHECK: call arm_aapcs_vfpcc %union.union_with_struct_with_fundamental_elems @returns_union_with_struct_with_fundamental_elems()
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}
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// CHECK: declare arm_aapcs_vfpcc %union.union_with_struct_with_fundamental_elems @returns_union_with_struct_with_fundamental_elems()
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// FIXME: Tests necessary:
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// - Vectors
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// - C++ stuff
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