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comparison test/CodeGen/X86/avx512-mask-op.ll @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
parents
children e4204d083e25
comparison
equal deleted inserted replaced
-1:000000000000 0:95c75e76d11b
1 ; RUN: llc < %s -march=x86-64 -mcpu=knl | FileCheck %s
2
3 define i16 @mask16(i16 %x) {
4 %m0 = bitcast i16 %x to <16 x i1>
5 %m1 = xor <16 x i1> %m0, <i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1>
6 %ret = bitcast <16 x i1> %m1 to i16
7 ret i16 %ret
8 ; CHECK: mask16
9 ; CHECK: knotw
10 ; CHECK: ret
11 }
12
13 define i8 @mask8(i8 %x) {
14 %m0 = bitcast i8 %x to <8 x i1>
15 %m1 = xor <8 x i1> %m0, <i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1>
16 %ret = bitcast <8 x i1> %m1 to i8
17 ret i8 %ret
18 ; CHECK: mask8
19 ; CHECK: knotw
20 ; CHECK: ret
21 }
22
23 define i16 @mand16(i16 %x, i16 %y) {
24 %ma = bitcast i16 %x to <16 x i1>
25 %mb = bitcast i16 %y to <16 x i1>
26 %mc = and <16 x i1> %ma, %mb
27 %md = xor <16 x i1> %ma, %mb
28 %me = or <16 x i1> %mc, %md
29 %ret = bitcast <16 x i1> %me to i16
30 ; CHECK: kandw
31 ; CHECK: kxorw
32 ; CHECK: korw
33 ret i16 %ret
34 }
35
36 ; CHECK: unpckbw_test
37 ; CHECK: kunpckbw
38 ; CHECK:ret
39 declare <16 x i1> @llvm.x86.kunpck.v16i1(<8 x i1>, <8 x i1>) nounwind readnone
40
41 define i16 @unpckbw_test(i8 %x, i8 %y) {
42 %m0 = bitcast i8 %x to <8 x i1>
43 %m1 = bitcast i8 %y to <8 x i1>
44 %k = tail call <16 x i1> @llvm.x86.kunpck.v16i1(<8 x i1> %m0, <8 x i1> %m1)
45 %r = bitcast <16 x i1> %k to i16
46 ret i16 %r
47 }
48
49 ; CHECK: shuf_test1
50 ; CHECK: kshiftrw $8
51 ; CHECK:ret
52 define i8 @shuf_test1(i16 %v) nounwind {
53 %v1 = bitcast i16 %v to <16 x i1>
54 %mask = shufflevector <16 x i1> %v1, <16 x i1> undef, <8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
55 %mask1 = bitcast <8 x i1> %mask to i8
56 ret i8 %mask1
57 }