1 ; RUN: llc < %s -mtriple=arm64-eabi -aarch64-neon-syntax=apple | FileCheck %s
3 ; <rdar://problem/14486451>
5 %struct.a = type [256 x i16]
6 %struct.b = type [256 x i32]
7 %struct.c = type [256 x i64]
9 define 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
21 define 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
33 define 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
45 define 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
57 define 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
69 define 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