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b53c801366
both source operands. In the canonical form, the 2nd operand is changed to an undef and the shuffle mask is adjusted to only reference elements from the 1st operand. Radar 7434842. llvm-svn: 90417
20 lines
1.1 KiB
LLVM
20 lines
1.1 KiB
LLVM
; RUN: llc -mcpu=cortex-a8 < %s | FileCheck %s
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target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:32-n32"
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target triple = "armv7-apple-darwin10"
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%struct.int16x8_t = type { <8 x i16> }
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%struct.int16x8x2_t = type { [2 x %struct.int16x8_t] }
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define arm_apcscc void @t(%struct.int16x8x2_t* noalias nocapture sret %agg.result, <8 x i16> %tmp.0, %struct.int16x8x2_t* nocapture %dst) nounwind {
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entry:
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;CHECK: vtrn.16
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%0 = shufflevector <8 x i16> %tmp.0, <8 x i16> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
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%1 = shufflevector <8 x i16> %tmp.0, <8 x i16> undef, <8 x i32> <i32 1, i32 1, i32 3, i32 3, i32 5, i32 5, i32 7, i32 7>
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%agg.result1218.0 = getelementptr %struct.int16x8x2_t* %agg.result, i32 0, i32 0, i32 0, i32 0 ; <<8 x i16>*>
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store <8 x i16> %0, <8 x i16>* %agg.result1218.0, align 16
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%agg.result12.1.0 = getelementptr %struct.int16x8x2_t* %agg.result, i32 0, i32 0, i32 1, i32 0 ; <<8 x i16>*>
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store <8 x i16> %1, <8 x i16>* %agg.result12.1.0, align 16
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ret void
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}
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