1; RUN: llc < %s -march=arm64 -aarch64-neon-syntax=apple | FileCheck %s
2;
3; <rdar://problem/14486451>
4
5%struct.a = type [256 x i16]
6%struct.b = type [256 x i32]
7%struct.c = type [256 x i64]
8
9define i16 @load_halfword(%struct.a* %ctx, i32 %xor72) nounwind {
10; CHECK-LABEL: load_halfword:
11; CHECK: ubfx [[REG:x[0-9]+]], x1, #9, #8
12; CHECK: ldrh w0, [x0, [[REG]], lsl #1]
13  %shr81 = lshr i32 %xor72, 9
14  %conv82 = zext i32 %shr81 to i64
15  %idxprom83 = and i64 %conv82, 255
16  %arrayidx86 = getelementptr inbounds %struct.a, %struct.a* %ctx, i64 0, i64 %idxprom83
17  %result = load i16, i16* %arrayidx86, align 2
18  ret i16 %result
19}
20
21define i32 @load_word(%struct.b* %ctx, i32 %xor72) nounwind {
22; CHECK-LABEL: load_word:
23; CHECK: ubfx [[REG:x[0-9]+]], x1, #9, #8
24; CHECK: ldr w0, [x0, [[REG]], lsl #2]
25  %shr81 = lshr i32 %xor72, 9
26  %conv82 = zext i32 %shr81 to i64
27  %idxprom83 = and i64 %conv82, 255
28  %arrayidx86 = getelementptr inbounds %struct.b, %struct.b* %ctx, i64 0, i64 %idxprom83
29  %result = load i32, i32* %arrayidx86, align 4
30  ret i32 %result
31}
32
33define i64 @load_doubleword(%struct.c* %ctx, i32 %xor72) nounwind {
34; CHECK-LABEL: load_doubleword:
35; CHECK: ubfx [[REG:x[0-9]+]], x1, #9, #8
36; CHECK: ldr x0, [x0, [[REG]], lsl #3]
37  %shr81 = lshr i32 %xor72, 9
38  %conv82 = zext i32 %shr81 to i64
39  %idxprom83 = and i64 %conv82, 255
40  %arrayidx86 = getelementptr inbounds %struct.c, %struct.c* %ctx, i64 0, i64 %idxprom83
41  %result = load i64, i64* %arrayidx86, align 8
42  ret i64 %result
43}
44
45define void @store_halfword(%struct.a* %ctx, i32 %xor72, i16 %val) nounwind {
46; CHECK-LABEL: store_halfword:
47; CHECK: ubfx [[REG:x[0-9]+]], x1, #9, #8
48; CHECK: strh w2, [x0, [[REG]], lsl #1]
49  %shr81 = lshr i32 %xor72, 9
50  %conv82 = zext i32 %shr81 to i64
51  %idxprom83 = and i64 %conv82, 255
52  %arrayidx86 = getelementptr inbounds %struct.a, %struct.a* %ctx, i64 0, i64 %idxprom83
53  store i16 %val, i16* %arrayidx86, align 8
54  ret void
55}
56
57define void @store_word(%struct.b* %ctx, i32 %xor72, i32 %val) nounwind {
58; CHECK-LABEL: store_word:
59; CHECK: ubfx [[REG:x[0-9]+]], x1, #9, #8
60; CHECK: str w2, [x0, [[REG]], lsl #2]
61  %shr81 = lshr i32 %xor72, 9
62  %conv82 = zext i32 %shr81 to i64
63  %idxprom83 = and i64 %conv82, 255
64  %arrayidx86 = getelementptr inbounds %struct.b, %struct.b* %ctx, i64 0, i64 %idxprom83
65  store i32 %val, i32* %arrayidx86, align 8
66  ret void
67}
68
69define void @store_doubleword(%struct.c* %ctx, i32 %xor72, i64 %val) nounwind {
70; CHECK-LABEL: store_doubleword:
71; CHECK: ubfx [[REG:x[0-9]+]], x1, #9, #8
72; CHECK: str x2, [x0, [[REG]], lsl #3]
73  %shr81 = lshr i32 %xor72, 9
74  %conv82 = zext i32 %shr81 to i64
75  %idxprom83 = and i64 %conv82, 255
76  %arrayidx86 = getelementptr inbounds %struct.c, %struct.c* %ctx, i64 0, i64 %idxprom83
77  store i64 %val, i64* %arrayidx86, align 8
78  ret void
79}
80