source: icGREP/icgrep-devel/llvm-3.8.0.src/test/CodeGen/ARM/2009-12-02-vtrn-undef.ll @ 5027

Last change on this file since 5027 was 5027, checked in by cameron, 3 years ago

Upgrade to llvm 3.8

File size: 1.9 KB
Line 
1; RUN: llc -mcpu=cortex-a8 < %s | FileCheck %s
2
3target 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"
4target triple = "armv7-apple-darwin10"
5
6%struct.int16x8_t = type { <8 x i16> }
7%struct.int16x8x2_t = type { [2 x %struct.int16x8_t] }
8
9define void @t(%struct.int16x8x2_t* noalias nocapture sret %agg.result, <8 x i16> %tmp.0, %struct.int16x8x2_t* nocapture %dst) nounwind {
10entry:
11;CHECK: vtrn.16
12  %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>
13  %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>
14  %agg.result1218.0 = getelementptr %struct.int16x8x2_t, %struct.int16x8x2_t* %agg.result, i32 0, i32 0, i32 0, i32 0 ; <<8 x i16>*>
15  store <8 x i16> %0, <8 x i16>* %agg.result1218.0, align 16
16  %agg.result12.1.0 = getelementptr %struct.int16x8x2_t, %struct.int16x8x2_t* %agg.result, i32 0, i32 0, i32 1, i32 0 ; <<8 x i16>*>
17  store <8 x i16> %1, <8 x i16>* %agg.result12.1.0, align 16
18  ret void
19}
20
21; Radar 8290937: Ignore undef shuffle indices.
22; CHECK: t2
23; CHECK: vtrn.16
24define void @t2(%struct.int16x8x2_t* nocapture %ptr, <4 x i16> %a.0, <4 x i16> %b.0) nounwind {
25entry:
26  %0 = shufflevector <4 x i16> %a.0, <4 x i16> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 undef, i32 undef, i32 undef, i32 undef>
27  %1 = shufflevector <4 x i16> %a.0, <4 x i16> undef, <8 x i32> <i32 1, i32 1, i32 3, i32 3, i32 undef, i32 undef, i32 undef, i32 undef>
28  %ptr26.0 = getelementptr inbounds %struct.int16x8x2_t, %struct.int16x8x2_t* %ptr, i32 0, i32 0, i32 0, i32 0
29  store <8 x i16> %0, <8 x i16>* %ptr26.0, align 16
30  %ptr20.1.0 = getelementptr inbounds %struct.int16x8x2_t, %struct.int16x8x2_t* %ptr, i32 0, i32 0, i32 1, i32 0
31  store <8 x i16> %1, <8 x i16>* %ptr20.1.0, align 16
32  ret void
33}
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