54 lines
1.9 KiB
C
54 lines
1.9 KiB
C
|
// RUN: %clang_cc1 -triple riscv32 -emit-llvm %s -o - | FileCheck %s
|
||
|
|
|
||
|
|
// This file contains test cases that will have different output for ilp32 vs
|
||
|
|
// the other 32-bit ABIs.
|
||
|
|
|
||
|
|
#include <stddef.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
struct tiny {
|
||
|
|
uint8_t a, b, c, d;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct small {
|
||
|
|
int32_t a, *b;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct small_aligned {
|
||
|
|
int64_t a;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct large {
|
||
|
|
int32_t a, b, c, d;
|
||
|
|
};
|
||
|
|
|
||
|
|
// Scalars passed on the stack should not have signext/zeroext attributes
|
||
|
|
// (they are anyext).
|
||
|
|
|
||
|
|
// CHECK-LABEL: define{{.*}} i32 @f_scalar_stack_1(i32 %a, i64 %b, float %c, double %d, fp128 %e, i8 zeroext %f, i8 %g, i8 %h)
|
||
|
|
int f_scalar_stack_1(int32_t a, int64_t b, float c, double d, long double e,
|
||
|
|
uint8_t f, int8_t g, uint8_t h) {
|
||
|
|
return g + h;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Ensure that scalars passed on the stack are still determined correctly in
|
||
|
|
// the presence of large return values that consume a register due to the need
|
||
|
|
// to pass a pointer.
|
||
|
|
|
||
|
|
// CHECK-LABEL: define{{.*}} void @f_scalar_stack_2(%struct.large* noalias sret(%struct.large) align 4 %agg.result, float %a, i64 %b, double %c, fp128 %d, i8 zeroext %e, i8 %f, i8 %g)
|
||
|
|
struct large f_scalar_stack_2(float a, int64_t b, double c, long double d,
|
||
|
|
uint8_t e, int8_t f, uint8_t g) {
|
||
|
|
return (struct large){a, e, f, g};
|
||
|
|
}
|
||
|
|
|
||
|
|
// Aggregates and >=XLen scalars passed on the stack should be lowered just as
|
||
|
|
// they would be if passed via registers.
|
||
|
|
|
||
|
|
// CHECK-LABEL: define{{.*}} void @f_scalar_stack_3(double %a, i64 %b, double %c, i64 %d, i32 %e, i64 %f, float %g, double %h, fp128 %i)
|
||
|
|
void f_scalar_stack_3(double a, int64_t b, double c, int64_t d, int e,
|
||
|
|
int64_t f, float g, double h, long double i) {}
|
||
|
|
|
||
|
|
// CHECK-LABEL: define{{.*}} void @f_agg_stack(double %a, i64 %b, double %c, i64 %d, i32 %e.coerce, [2 x i32] %f.coerce, i64 %g.coerce, %struct.large* %h)
|
||
|
|
void f_agg_stack(double a, int64_t b, double c, int64_t d, struct tiny e,
|
||
|
|
struct small f, struct small_aligned g, struct large h) {}
|