mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 04:30:12 +00:00
a7a1c7e971
This directory needs to be reorganized and some of the tests need changes to make them executable. Also comments would help... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2865 91177308-0d34-0410-b5e6-96231b3b80d8
157 lines
4.3 KiB
C
157 lines
4.3 KiB
C
#include <stdio.h>
|
|
#include <stdarg.h>
|
|
|
|
|
|
#undef LLVM_CAN_PASS_STRUCTS_BY_VALUE
|
|
#ifdef LLVM_CAN_PASS_STRUCTS_BY_VALUE
|
|
typedef struct SmallStruct_struct {
|
|
char c1, c2, c3, c4;
|
|
int n;
|
|
} SmallStruct;
|
|
|
|
|
|
typedef struct BigStruct_struct {
|
|
char c1, c2, c3, c4;
|
|
double d1, d2; /* Note: d1 will need padding */
|
|
int n;
|
|
struct BigStruct_struct* next; /* Note: next will need padding */
|
|
} BigStruct;
|
|
|
|
|
|
SmallStruct
|
|
printStructArgs(SmallStruct s1, /* Could fit in reg */
|
|
int a1, float a2, char a3, double a4, char* a5,
|
|
BigStruct s2, /* Must go on stack */
|
|
int a6, float a7, char a8, double a9, char* a10,
|
|
SmallStruct s3, /* Probably no available regs */
|
|
int a11, float a12, char a13, double a14, char* a15)
|
|
{
|
|
SmallStruct result;
|
|
|
|
printf("\nprintStructArgs with 13 arguments:\n");
|
|
printf("\tArg 1 : %c %c %c %c %d\n", s1.c1, s1.c2, s1.c3, s1.c4, s1.n);
|
|
printf("\tArgs 2-6 : %d %f %c %lf %c\n", a1, a2, a3, a4, *a5);
|
|
printf("\tArg 7 : %c %c %c %c %lf %lf %d %p\n",
|
|
s2.c1, s2.c2, s2.c3, s2.c4, s2.d1, s2.d2, s2.n,s2.next);
|
|
printf("\tArg 8 : %c %c %c %c %d\n", s3.c1, s3.c2, s3.c3, s3.c4, s3.n);
|
|
printf("\tArgs 9-13 : %d %f %c %lf %c\n", a6, a7, a8, a9, *a10);
|
|
printf("\tArgs 14-18: %d %f %c %lf %c\n", a11, a12, a13, a14, *a15);
|
|
printf("\n");
|
|
|
|
result.c1 = s2.c1;
|
|
result.c2 = s2.c2;
|
|
result.c3 = s2.c3;
|
|
result.c4 = s2.c4;
|
|
result.n = s2.n;
|
|
|
|
return result;
|
|
}
|
|
#endif /* LLVM_CAN_PASS_STRUCTS_BY_VALUE */
|
|
|
|
#undef LLC_SUPPORTS_VARARGS_FUNCTIONS
|
|
#ifdef LLC_SUPPORTS_VARARGS_FUNCTIONS
|
|
void
|
|
printVarArgs(int a1, ...)
|
|
{
|
|
double a2, a7, a12; /* float is promoted to double! */
|
|
int a3, a8, a13; /* char is promoted to int! */
|
|
double a4, a9, a14;
|
|
char *a5, *a10, *a15;
|
|
int a6, a11;
|
|
|
|
va_list ap;
|
|
va_start(ap, a1);
|
|
a2 = va_arg(ap, double);
|
|
a3 = va_arg(ap, int);
|
|
a4 = va_arg(ap, double);
|
|
a5 = va_arg(ap, char*);
|
|
|
|
a6 = va_arg(ap, int);
|
|
a7 = va_arg(ap, double);
|
|
a8 = va_arg(ap, int);
|
|
a9 = va_arg(ap, double);
|
|
a10 = va_arg(ap, char*);
|
|
|
|
a11 = va_arg(ap, int);
|
|
a12 = va_arg(ap, double);
|
|
a13 = va_arg(ap, int);
|
|
a14 = va_arg(ap, double);
|
|
a15 = va_arg(ap, char*);
|
|
|
|
printf("\nprintVarArgs with 15 arguments:\n");
|
|
printf("\tArgs 1-5 : %d %f %c %lf %c\n", a1, a2, a3, a4, *a5);
|
|
printf("\tArgs 6-10 : %d %f %c %lf %c\n", a6, a7, a8, a9, *a10);
|
|
printf("\tArgs 11-14: %d %f %c %lf %c\n", a11, a12, a13, a14, *a15);
|
|
printf("\n");
|
|
return;
|
|
}
|
|
#endif /* LLC_SUPPORTS_VARARGS_FUNCTIONS */
|
|
|
|
|
|
void
|
|
printArgsNoRet(int a1, float a2, char a3, double a4, char* a5,
|
|
int a6, float a7, char a8, double a9, char* a10,
|
|
int a11, float a12, char a13, double a14, char* a15)
|
|
{
|
|
printf("\nprintArgsNoRet with 15 arguments:\n");
|
|
printf("\tArgs 1-5 : %d %f %c %lf %c\n", a1, a2, a3, a4, *a5);
|
|
printf("\tArgs 6-10 : %d %f %c %lf %c\n", a6, a7, a8, a9, *a10);
|
|
printf("\tArgs 11-14: %d %f %c %lf %c\n", a11, a12, a13, a14, *a15);
|
|
printf("\n");
|
|
return;
|
|
}
|
|
|
|
|
|
int
|
|
main(int argc, char** argv)
|
|
{
|
|
#ifdef LLVM_CAN_PASS_STRUCTS_BY_VALUE
|
|
SmallStruct s1, s3, result;
|
|
BigStruct s2;
|
|
#endif /* LLVM_CAN_PASS_STRUCTS_BY_VALUE */
|
|
|
|
printArgsNoRet(1, 2.1, 'c', 4.1, "e",
|
|
6, 7.1, 'h', 9.1, "j",
|
|
11, 12.1, 'm', 14.1, "o");
|
|
|
|
#ifdef LLC_SUPPORTS_VARARGS_FUNCTIONS
|
|
printVarArgs(1, 2.2, 'c', 4.2, "e",
|
|
6, 7.2, 'h', 9.2, "j",
|
|
11, 12.2, 'm', 14.2, "o");
|
|
#endif /* LLC_SUPPORTS_VARARGS_FUNCTIONS */
|
|
|
|
#ifdef LLVM_CAN_PASS_STRUCTS_BY_VALUE
|
|
s1.c1 = 'a';
|
|
s1.c2 = 'b';
|
|
s1.c3 = 'c';
|
|
s1.c4 = 'd';
|
|
s1.n = 111;
|
|
|
|
s2.c1 = 'h';
|
|
s2.c2 = 'i';
|
|
s2.c3 = 'j';
|
|
s2.c4 = 'k';
|
|
s2.d1 = 1.1;
|
|
s2.d2 = 2.2;
|
|
s2.n = 222;
|
|
s2.next = &s2;
|
|
|
|
s3.c1 = 'w';
|
|
s3.c2 = 'x';
|
|
s3.c3 = 'y';
|
|
s3.c4 = 'z';
|
|
s3.n = 333;
|
|
|
|
result = printStructArgs(s1,
|
|
1, 2.0, 'c', 4.0, "e",
|
|
s2,
|
|
6, 7.0, 'h', 9.0, "j",
|
|
s3);
|
|
|
|
printf("\nprintStructArgs returns:\n\t%c %c %c %c %d\n\n",
|
|
result.c1, result.c2, result.c3, result.c4, result.n);
|
|
#endif /* LLVM_CAN_PASS_STRUCTS_BY_VALUE */
|
|
|
|
return 0;
|
|
}
|