1 // RUN: %clang_cc1 -triple riscv64 -emit-llvm %s -o - | FileCheck %s
2
3 // This file contains test cases that will have different output for lp64 vs
4 // the other 64-bit ABIs.
5
6 #include <stddef.h>
7 #include <stdint.h>
8
9 struct large {
10 int64_t a, b, c, d;
11 };
12
13 typedef unsigned char v32i8 __attribute__((vector_size(32)));
14
15 // Scalars passed on the stack should not have signext/zeroext attributes
16 // (they are anyext).
17
18 // CHECK-LABEL: define signext i32 @f_scalar_stack_1(i32 signext %a, i128 %b, float %c, fp128 %d, <32 x i8>*, i8 zeroext %f, i8 %g, i8 %h)
f_scalar_stack_1(int32_t a,__int128_t b,float c,long double d,v32i8 e,uint8_t f,int8_t g,uint8_t h)19 int f_scalar_stack_1(int32_t a, __int128_t b, float c, long double d, v32i8 e,
20 uint8_t f, int8_t g, uint8_t h) {
21 return g + h;
22 }
23
24 // Ensure that scalars passed on the stack are still determined correctly in
25 // the presence of large return values that consume a register due to the need
26 // to pass a pointer.
27
28 // CHECK-LABEL: define void @f_scalar_stack_2(%struct.large* noalias sret %agg.result, double %a, i128 %b, fp128 %c, <32 x i8>*, i8 zeroext %e, i8 %f, i8 %g)
f_scalar_stack_2(double a,__int128_t b,long double c,v32i8 d,uint8_t e,int8_t f,uint8_t g)29 struct large f_scalar_stack_2(double a, __int128_t b, long double c, v32i8 d,
30 uint8_t e, int8_t f, uint8_t g) {
31 return (struct large){a, e, f, g};
32 }
33