1 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=knl | FileCheck %s
3 ; CHECK-LABEL: select00
6 define <16 x i32> @select00(i32 %a, <16 x i32> %b) nounwind {
7 %cmpres = icmp eq i32 %a, 255
8 %selres = select i1 %cmpres, <16 x i32> zeroinitializer, <16 x i32> %b
9 %res = xor <16 x i32> %b, %selres
13 ; CHECK-LABEL: select01
16 define <8 x i64> @select01(i32 %a, <8 x i64> %b) nounwind {
17 %cmpres = icmp eq i32 %a, 255
18 %selres = select i1 %cmpres, <8 x i64> zeroinitializer, <8 x i64> %b
19 %res = xor <8 x i64> %b, %selres
23 ; CHECK-LABEL: @select02
24 ; CHECK: cmpless %xmm0, %xmm3, %k1
25 ; CHECK-NEXT: vmovss %xmm2, {{.*}}%xmm1 {%k1}
27 define float @select02(float %a, float %b, float %c, float %eps) {
28 %cmp = fcmp oge float %a, %eps
29 %cond = select i1 %cmp, float %c, float %b
33 ; CHECK-LABEL: @select03
34 ; CHECK: cmplesd %xmm0, %xmm3, %k1
35 ; CHECK-NEXT: vmovsd %xmm2, {{.*}}%xmm1 {%k1}
37 define double @select03(double %a, double %b, double %c, double %eps) {
38 %cmp = fcmp oge double %a, %eps
39 %cond = select i1 %cmp, double %c, double %b
43 ; CHECK-LABEL: @select04
44 ; CHECK: vmovaps %zmm3, %zmm1
47 define <16 x double> @select04(<16 x double> %a, <16 x double> %b) {
48 %sel = select <16 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 false, i1 false, i1 false, i1 false, i1 false, i1 false, i1 false, i1 false>, <16 x double> %a, <16 x double> %b
49 ret <16 x double> %sel
52 ; CHECK-LABEL: select05
53 ; CHECK: kmovw %esi, %k0
54 ; CHECK-NEXT: kmovw %edi, %k1
55 ; CHECK-NEXT: korw %k1, %k0, %k0
56 ; CHECK-NEXT: kmovw %k0, %eax
57 define i8 @select05(i8 %a.0, i8 %m) {
58 %mask = bitcast i8 %m to <8 x i1>
59 %a = bitcast i8 %a.0 to <8 x i1>
60 %r = select <8 x i1> %mask, <8 x i1> <i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1>, <8 x i1> %a
61 %res = bitcast <8 x i1> %r to i8
65 ; CHECK-LABEL: select06
66 ; CHECK: kmovw %esi, %k0
67 ; CHECK-NEXT: kmovw %edi, %k1
68 ; CHECK-NEXT: kandw %k1, %k0, %k0
69 ; CHECK-NEXT: kmovw %k0, %eax
70 define i8 @select06(i8 %a.0, i8 %m) {
71 %mask = bitcast i8 %m to <8 x i1>
72 %a = bitcast i8 %a.0 to <8 x i1>
73 %r = select <8 x i1> %mask, <8 x i1> %a, <8 x i1> zeroinitializer
74 %res = bitcast <8 x i1> %r to i8
78 ; CHECK-LABEL: select07
79 ; CHECK-DAG: kmovw %edx, %k0
80 ; CHECK-DAG: kmovw %edi, %k1
81 ; CHECK-DAG: kmovw %esi, %k2
82 ; CHECK: kandw %k0, %k1, %k1
83 ; CHECK-NEXT: knotw %k0, %k0
84 ; CHECK-NEXT: kandw %k0, %k2, %k0
85 ; CHECK-NEXT: korw %k0, %k1, %k0
86 ; CHECK-NEXT: kmovw %k0, %eax
87 define i8 @select07(i8 %a.0, i8 %b.0, i8 %m) {
88 %mask = bitcast i8 %m to <8 x i1>
89 %a = bitcast i8 %a.0 to <8 x i1>
90 %b = bitcast i8 %b.0 to <8 x i1>
91 %r = select <8 x i1> %mask, <8 x i1> %a, <8 x i1> %b
92 %res = bitcast <8 x i1> %r to i8