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 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 18 ret i16 %result 19 } 20 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 30 ret i32 %result 31 } 32 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 42 ret i64 %result 43 } 44 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 54 ret void 55 } 56 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 66 ret void 67 } 68 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 78 ret void 79 } 80
