1; RUN: llc < %s | FileCheck %s
2
3target datalayout = "e-p:16:16:16-i8:8:8-i16:16:16-i32:16:32-n8:16"
4target triple = "msp430---elf"
5
6; Pass large structures by reference (MSP430 EABI p. 3.5)
7
8%s = type { i64, i64 }
9
10define %s @fred() #0 {
11; CHECK-LABEL: fred:
12; CHECK: mov	#2314, 14(r12)
13; CHECK: mov	#2828, 12(r12)
14; CHECK: mov	#3342, 10(r12)
15; CHECK: mov	#3840, 8(r12)
16; CHECK: mov	#258, 6(r12)
17; CHECK: mov	#772, 4(r12)
18; CHECK: mov	#1286, 2(r12)
19; CHECK: mov	#1800, 0(r12)
20  ret %s {i64 72623859790382856, i64 651345242494996224}
21}
22
23%struct.S = type { i16, i16, i16 }
24
25@a = common global i16 0, align 2
26@b = common global i16 0, align 2
27@c = common global i16 0, align 2
28
29define void @test() #1 {
30; CHECK-LABEL: test:
31  %1 = alloca %struct.S, align 2
32; CHECK:      mov	r1, r12
33; CHECK-NEXT: call	#sret
34  call void @sret(%struct.S* nonnull sret %1) #3
35  ret void
36}
37
38define void @sret(%struct.S* noalias nocapture sret) #0 {
39; CHECK-LABEL: sret:
40; CHECK: mov	&a, 0(r12)
41; CHECK: mov	&b, 2(r12)
42; CHECK: mov	&c, 4(r12)
43  %2 = getelementptr inbounds %struct.S, %struct.S* %0, i16 0, i32 0
44  %3 = load i16, i16* @a, align 2
45  store i16 %3, i16* %2, align 2
46  %4 = getelementptr inbounds %struct.S, %struct.S* %0, i16 0, i32 1
47  %5 = load i16, i16* @b, align 2
48  store i16 %5, i16* %4, align 2
49  %6 = getelementptr inbounds %struct.S, %struct.S* %0, i16 0, i32 2
50  %7 = load i16, i16* @c, align 2
51  store i16 %7, i16* %6, align 2
52  ret void
53}
54
55attributes #0 = { nounwind }
56