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; RUN: llc < %s -march=avr | FileCheck %s
; CHECK-LABEL: ret_void_args_i8
define void @ret_void_args_i8(i8 %a) {
; CHECK: sts 4, r24
store volatile i8 %a, i8* inttoptr (i64 4 to i8*)
ret void
}
; CHECK-LABEL: ret_void_args_i8_i32
define void @ret_void_args_i8_i32(i8 %a, i32 %b) {
; CHECK: sts 4, r24
store volatile i8 %a, i8* inttoptr (i64 4 to i8*)
; CHECK-NEXT: sts 8, r23
; CHECK-NEXT: sts 7, r22
; CHECK-NEXT: sts 6, r21
; CHECK-NEXT: sts 5, r20
store volatile i32 %b, i32* inttoptr (i64 5 to i32*)
ret void
}
; CHECK-LABEL: ret_void_args_i8_i8_i8_i8
define void @ret_void_args_i8_i8_i8_i8(i8 %a, i8 %b, i8 %c, i8 %d) {
; CHECK: sts 4, r24
store volatile i8 %a, i8* inttoptr (i64 4 to i8*)
; CHECK-NEXT: sts 5, r22
store volatile i8 %b, i8* inttoptr (i64 5 to i8*)
; CHECK-NEXT: sts 6, r20
store volatile i8 %c, i8* inttoptr (i64 6 to i8*)
; CHECK-NEXT: sts 7, r18
store volatile i8 %d, i8* inttoptr (i64 7 to i8*)
ret void
}
; CHECK-LABEL: ret_void_args_i32_16_i8
define void @ret_void_args_i32_16_i8(i32 %a, i16 %b, i8 %c) {
; CHECK: sts 7, r25
; CHECK-NEXT: sts 6, r24
; CHECK-NEXT: sts 5, r23
; CHECK-NEXT: sts 4, r22
store volatile i32 %a, i32* inttoptr (i64 4 to i32*)
; CHECK-NEXT: sts 5, r21
; CHECK-NEXT: sts 4, r20
store volatile i16 %b, i16* inttoptr (i64 4 to i16*)
; CHECK-NEXT: sts 4, r18
store volatile i8 %c, i8* inttoptr (i64 4 to i8*)
ret void
}
; CHECK-LABEL: ret_void_args_i64
define void @ret_void_args_i64(i64 %a) {
; CHECK: sts 11, r25
; CHECK-NEXT: sts 10, r24
; CHECK-NEXT: sts 9, r23
; CHECK-NEXT: sts 8, r22
; CHECK-NEXT: sts 7, r21
; CHECK-NEXT: sts 6, r20
; CHECK-NEXT: sts 5, r19
; CHECK-NEXT: sts 4, r18
store volatile i64 %a, i64* inttoptr (i64 4 to i64*)
ret void
}
; CHECK-LABEL: ret_void_args_i64_i64
define void @ret_void_args_i64_i64(i64 %a, i64 %b) {
; CHECK-DAG: sts 11, r25
; CHECK-DAG: sts 10, r24
; CHECK-DAG: sts 9, r23
; CHECK-DAG: sts 8, r22
; CHECK-DAG: sts 7, r21
; CHECK-DAG: sts 6, r20
; CHECK-DAG: sts 5, r19
; CHECK-DAG: sts 4, r18
store volatile i64 %a, i64* inttoptr (i64 4 to i64*)
; CHECK-DAG: sts 11, r17
; CHECK-DAG: sts 10, r16
; CHECK-DAG: sts 9, r15
; CHECK-DAG: sts 8, r14
; CHECK-DAG: sts 7, r13
; CHECK-DAG: sts 6, r12
; CHECK-DAG: sts 5, r11
; CHECK-DAG: sts 4, r10
store volatile i64 %b, i64* inttoptr (i64 4 to i64*)
ret void
}
; This is exactly enough to hit the limit of what can be passed
; completely in registers.
; CHECK-LABEL: ret_void_args_i64_i64_i16
define void @ret_void_args_i64_i64_i16(i64 %a, i64 %b, i16 %c) {
; CHECK: sts 5, r9
; CHECK-NEXT: sts 4, r8
store volatile i16 %c, i16* inttoptr (i64 4 to i16*)
ret void
}
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