source: icGREP/icgrep-devel/llvm-3.8.0.src/test/CodeGen/AArch64/arm64-EXT-undef-mask.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: 1.3 KB
Line 
1; RUN: llc -O0 -march=arm64 -aarch64-neon-syntax=apple -verify-machineinstrs < %s | FileCheck %s
2
3; The following 2 test cases test shufflevector with beginning UNDEF mask.
4define <8 x i16> @test_vext_undef_traverse(<8 x i16> %in) {
5;CHECK-LABEL: test_vext_undef_traverse:
6;CHECK: {{ext.16b.*v0, #4}}
7  %vext = shufflevector <8 x i16> <i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 0, i16 0>, <8 x i16> %in, <8 x i32> <i32 undef, i32 undef, i32 undef, i32 undef, i32 6, i32 7, i32 8, i32 9>
8  ret <8 x i16> %vext
9}
10
11define <8 x i16> @test_vext_undef_traverse2(<8 x i16> %in) {
12;CHECK-LABEL: test_vext_undef_traverse2:
13;CHECK: {{ext.16b.*v0, #6}}
14  %vext = shufflevector <8 x i16> %in, <8 x i16> <i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef>, <8 x i32> <i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 0, i32 1, i32 2>
15  ret <8 x i16> %vext
16}
17
18define <8 x i8> @test_vext_undef_traverse3(<8 x i8> %in) {
19;CHECK-LABEL: test_vext_undef_traverse3:
20;CHECK: {{ext.8b.*v0, #6}}
21  %vext = shufflevector <8 x i8> %in, <8 x i8> <i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef>, <8 x i32> <i32 undef, i32 undef, i32 undef, i32 undef, i32 2, i32 3, i32 4, i32 5>
22  ret <8 x i8> %vext
23}
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