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80 lines
2.7 KiB
LLVM
80 lines
2.7 KiB
LLVM
; RUN: llc < %s -mtriple=arm64-eabi -aarch64-neon-syntax=apple | FileCheck %s
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;
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; <rdar://problem/14486451>
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%struct.a = type [256 x i16]
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%struct.b = type [256 x i32]
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%struct.c = type [256 x i64]
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define i16 @load_halfword(%struct.a* %ctx, i32 %xor72) nounwind {
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; CHECK-LABEL: load_halfword:
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; CHECK: ubfx [[REG:x[0-9]+]], x1, #9, #8
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; CHECK: ldrh w0, [x0, [[REG]], lsl #1]
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%shr81 = lshr i32 %xor72, 9
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%conv82 = zext i32 %shr81 to i64
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%idxprom83 = and i64 %conv82, 255
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%arrayidx86 = getelementptr inbounds %struct.a, %struct.a* %ctx, i64 0, i64 %idxprom83
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%result = load i16, i16* %arrayidx86, align 2
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ret i16 %result
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}
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define i32 @load_word(%struct.b* %ctx, i32 %xor72) nounwind {
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; CHECK-LABEL: load_word:
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; CHECK: ubfx [[REG:x[0-9]+]], x1, #9, #8
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; CHECK: ldr w0, [x0, [[REG]], lsl #2]
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%shr81 = lshr i32 %xor72, 9
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%conv82 = zext i32 %shr81 to i64
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%idxprom83 = and i64 %conv82, 255
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%arrayidx86 = getelementptr inbounds %struct.b, %struct.b* %ctx, i64 0, i64 %idxprom83
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%result = load i32, i32* %arrayidx86, align 4
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ret i32 %result
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}
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define i64 @load_doubleword(%struct.c* %ctx, i32 %xor72) nounwind {
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; CHECK-LABEL: load_doubleword:
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; CHECK: ubfx [[REG:x[0-9]+]], x1, #9, #8
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; CHECK: ldr x0, [x0, [[REG]], lsl #3]
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%shr81 = lshr i32 %xor72, 9
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%conv82 = zext i32 %shr81 to i64
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%idxprom83 = and i64 %conv82, 255
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%arrayidx86 = getelementptr inbounds %struct.c, %struct.c* %ctx, i64 0, i64 %idxprom83
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%result = load i64, i64* %arrayidx86, align 8
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ret i64 %result
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}
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define void @store_halfword(%struct.a* %ctx, i32 %xor72, i16 %val) nounwind {
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; CHECK-LABEL: store_halfword:
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; CHECK: ubfx [[REG:x[0-9]+]], x1, #9, #8
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; CHECK: strh w2, [x0, [[REG]], lsl #1]
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%shr81 = lshr i32 %xor72, 9
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%conv82 = zext i32 %shr81 to i64
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%idxprom83 = and i64 %conv82, 255
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%arrayidx86 = getelementptr inbounds %struct.a, %struct.a* %ctx, i64 0, i64 %idxprom83
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store i16 %val, i16* %arrayidx86, align 8
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ret void
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}
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define void @store_word(%struct.b* %ctx, i32 %xor72, i32 %val) nounwind {
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; CHECK-LABEL: store_word:
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; CHECK: ubfx [[REG:x[0-9]+]], x1, #9, #8
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; CHECK: str w2, [x0, [[REG]], lsl #2]
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%shr81 = lshr i32 %xor72, 9
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%conv82 = zext i32 %shr81 to i64
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%idxprom83 = and i64 %conv82, 255
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%arrayidx86 = getelementptr inbounds %struct.b, %struct.b* %ctx, i64 0, i64 %idxprom83
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store i32 %val, i32* %arrayidx86, align 8
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ret void
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}
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define void @store_doubleword(%struct.c* %ctx, i32 %xor72, i64 %val) nounwind {
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; CHECK-LABEL: store_doubleword:
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; CHECK: ubfx [[REG:x[0-9]+]], x1, #9, #8
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; CHECK: str x2, [x0, [[REG]], lsl #3]
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%shr81 = lshr i32 %xor72, 9
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%conv82 = zext i32 %shr81 to i64
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%idxprom83 = and i64 %conv82, 255
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%arrayidx86 = getelementptr inbounds %struct.c, %struct.c* %ctx, i64 0, i64 %idxprom83
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store i64 %val, i64* %arrayidx86, align 8
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ret void
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}
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