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comparison test/CodeGen/X86/extractelement-index.ll @ 95:afa8332a0e37 LLVM3.8

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LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
parents
children 1172e4bd9c6f
comparison
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84:f3e34b893a5f 95:afa8332a0e37
1 ; RUN: llc < %s -mtriple=x86_64-pc-linux | FileCheck %s -check-prefix=X64
2 ; RUN: llc < %s -mtriple=x86_64-pc-linux -mattr=+avx | FileCheck %s -check-prefix=AVX
3
4
5 ; CHECK-LABEL: extractelement_index_1:
6 define i8 @extractelement_index_1(<32 x i8> %a) nounwind {
7 ; X64: movaps
8 ; AVX: vpextrb $1
9 %b = extractelement <32 x i8> %a, i256 1
10 ret i8 %b
11 }
12
13 ; CHECK-LABEL: extractelement_index_2:
14 define i32 @extractelement_index_2(<8 x i32> %a) nounwind {
15 ; X64: pshufd
16 ; AVX: vextractf128 $1
17 ; AVX-NEXT: vpextrd $3
18 %b = extractelement <8 x i32> %a, i64 7
19 ret i32 %b
20 }
21
22 ; CHECK-LABEL: extractelement_index_3:
23 define i32 @extractelement_index_3(<8 x i32> %a) nounwind {
24 ; CHECK-NOT: pextr
25 %b = extractelement <8 x i32> %a, i64 15
26 ret i32 %b
27 }
28
29 ; CHECK-LABEL: extractelement_index_4:
30 define i32 @extractelement_index_4(<8 x i32> %a) nounwind {
31 ; X64: movd
32 ; AVX: vextractf128 $1
33 ; AVX-NEXT: vmovd
34 %b = extractelement <8 x i32> %a, i256 4
35 ret i32 %b
36 }
37
38 ; CHECK-LABEL: extractelement_index_5:
39 define i8 @extractelement_index_5(<32 x i8> %a, i256 %i) nounwind {
40 ; X64: movaps
41 ; AVX: vmovaps
42 %b = extractelement <32 x i8> %a, i256 %i
43 ret i8 %b
44 }
45
46 ; CHECK-LABEL: extractelement_index_6:
47 define i8 @extractelement_index_6(<32 x i8> %a) nounwind {
48 ; CHECK-NOT: pextr
49 %b = extractelement <32 x i8> %a, i256 -1
50 ret i8 %b
51 }