1 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=knl | FileCheck %s 2 3 ; CHECK-LABEL: select00 4 ; CHECK: vmovaps 5 ; CHECK-NEXT: LBB 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 10 ret <16 x i32> %res 11 } 12 13 ; CHECK-LABEL: select01 14 ; CHECK: vmovaps 15 ; CHECK-NEXT: LBB 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 20 ret <8 x i64> %res 21 } 22 23 ; CHECK-LABEL: @select02 24 ; CHECK: cmpless %xmm0, %xmm3, %k1 25 ; CHECK-NEXT: vmovss %xmm2, {{.*}}%xmm1 {%k1} 26 ; CHECK: ret 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 30 ret float %cond 31 } 32 33 ; CHECK-LABEL: @select03 34 ; CHECK: cmplesd %xmm0, %xmm3, %k1 35 ; CHECK-NEXT: vmovsd %xmm2, {{.*}}%xmm1 {%k1} 36 ; CHECK: ret 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 40 ret double %cond 41 } 42 43 ; CHECK-LABEL: @select04 44 ; CHECK: vmovaps %zmm3, %zmm1 45 ; CHECK-NEXT: ret 46 ; PR20677 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 50 } 51 52 ; CHECK-LABEL: select05 53 ; CHECK: movzbl %sil, %eax 54 ; CHECK: kmovw %eax, %k0 55 ; CHECK: movzbl %dil, %eax 56 ; CHECK: kmovw %eax, %k1 57 ; CHECK-NEXT: korw %k1, %k0, %k0 58 ; CHECK-NEXT: kmovw %k0, %eax 59 define i8 @select05(i8 %a.0, i8 %m) { 60 %mask = bitcast i8 %m to <8 x i1> 61 %a = bitcast i8 %a.0 to <8 x i1> 62 %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 63 %res = bitcast <8 x i1> %r to i8 64 ret i8 %res; 65 } 66 67 ; CHECK-LABEL: select06 68 ; CHECK: movzbl %sil, %eax 69 ; CHECK: kmovw %eax, %k0 70 ; CHECK: movzbl %dil, %eax 71 ; CHECK: kmovw %eax, %k1 72 ; CHECK-NEXT: kandw %k1, %k0, %k0 73 ; CHECK-NEXT: kmovw %k0, %eax 74 define i8 @select06(i8 %a.0, i8 %m) { 75 %mask = bitcast i8 %m to <8 x i1> 76 %a = bitcast i8 %a.0 to <8 x i1> 77 %r = select <8 x i1> %mask, <8 x i1> %a, <8 x i1> zeroinitializer 78 %res = bitcast <8 x i1> %r to i8 79 ret i8 %res; 80 } 81 82 ; CHECK-LABEL: select07 83 ; CHECK-DAG: movzbl %dl, %eax 84 ; CHECK-DAG: kmovw %eax, %k0 85 ; CHECK-DAG: movzbl %dil, %eax 86 ; CHECK-DAG: kmovw %eax, %k1 87 ; CHECK-DAG: movzbl %sil, %eax 88 ; CHECK-DAG: kmovw %eax, %k2 89 ; CHECK: kandw %k0, %k1, %k1 90 ; CHECK-NEXT: knotw %k0, %k0 91 ; CHECK-NEXT: kandw %k0, %k2, %k0 92 ; CHECK-NEXT: korw %k0, %k1, %k0 93 ; CHECK-NEXT: kmovw %k0, %eax 94 define i8 @select07(i8 %a.0, i8 %b.0, i8 %m) { 95 %mask = bitcast i8 %m to <8 x i1> 96 %a = bitcast i8 %a.0 to <8 x i1> 97 %b = bitcast i8 %b.0 to <8 x i1> 98 %r = select <8 x i1> %mask, <8 x i1> %a, <8 x i1> %b 99 %res = bitcast <8 x i1> %r to i8 100 ret i8 %res; 101 } 102
