llvm-6502/test/CodeGen/X86/avx512-select.ll

95 lines
2.9 KiB
LLVM
Raw Normal View History

; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=knl | FileCheck %s
; CHECK-LABEL: select00
; CHECK: vmovaps
; CHECK-NEXT: LBB
define <16 x i32> @select00(i32 %a, <16 x i32> %b) nounwind {
%cmpres = icmp eq i32 %a, 255
%selres = select i1 %cmpres, <16 x i32> zeroinitializer, <16 x i32> %b
%res = xor <16 x i32> %b, %selres
ret <16 x i32> %res
}
; CHECK-LABEL: select01
; CHECK: vmovaps
; CHECK-NEXT: LBB
define <8 x i64> @select01(i32 %a, <8 x i64> %b) nounwind {
%cmpres = icmp eq i32 %a, 255
%selres = select i1 %cmpres, <8 x i64> zeroinitializer, <8 x i64> %b
%res = xor <8 x i64> %b, %selres
ret <8 x i64> %res
}
; CHECK-LABEL: @select02
; CHECK: cmpless %xmm0, %xmm3, %k1
; CHECK-NEXT: vmovss %xmm2, {{.*}}%xmm1 {%k1}
; CHECK: ret
define float @select02(float %a, float %b, float %c, float %eps) {
%cmp = fcmp oge float %a, %eps
%cond = select i1 %cmp, float %c, float %b
ret float %cond
}
; CHECK-LABEL: @select03
; CHECK: cmplesd %xmm0, %xmm3, %k1
; CHECK-NEXT: vmovsd %xmm2, {{.*}}%xmm1 {%k1}
; CHECK: ret
define double @select03(double %a, double %b, double %c, double %eps) {
%cmp = fcmp oge double %a, %eps
%cond = select i1 %cmp, double %c, double %b
ret double %cond
}
; CHECK-LABEL: @select04
; CHECK: vmovaps %zmm3, %zmm1
; CHECK-NEXT: ret
; PR20677
define <16 x double> @select04(<16 x double> %a, <16 x double> %b) {
%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
ret <16 x double> %sel
}
; CHECK-LABEL: select05
; CHECK: kmovw %esi, %k0
; CHECK-NEXT: kmovw %edi, %k1
; CHECK-NEXT: korw %k1, %k0, %k0
; CHECK-NEXT: kmovw %k0, %eax
define i8 @select05(i8 %a.0, i8 %m) {
%mask = bitcast i8 %m to <8 x i1>
%a = bitcast i8 %a.0 to <8 x i1>
%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
%res = bitcast <8 x i1> %r to i8
ret i8 %res;
}
; CHECK-LABEL: select06
; CHECK: kmovw %esi, %k0
; CHECK-NEXT: kmovw %edi, %k1
; CHECK-NEXT: kandw %k1, %k0, %k0
; CHECK-NEXT: kmovw %k0, %eax
define i8 @select06(i8 %a.0, i8 %m) {
%mask = bitcast i8 %m to <8 x i1>
%a = bitcast i8 %a.0 to <8 x i1>
%r = select <8 x i1> %mask, <8 x i1> %a, <8 x i1> zeroinitializer
%res = bitcast <8 x i1> %r to i8
ret i8 %res;
}
; CHECK-LABEL: select07
; CHECK-DAG: kmovw %edx, %k0
; CHECK-DAG: kmovw %edi, %k1
; CHECK-DAG: kmovw %esi, %k2
; CHECK: kandw %k0, %k1, %k1
; CHECK-NEXT: knotw %k0, %k0
; CHECK-NEXT: kandw %k0, %k2, %k0
; CHECK-NEXT: korw %k0, %k1, %k0
; CHECK-NEXT: kmovw %k0, %eax
define i8 @select07(i8 %a.0, i8 %b.0, i8 %m) {
%mask = bitcast i8 %m to <8 x i1>
%a = bitcast i8 %a.0 to <8 x i1>
%b = bitcast i8 %b.0 to <8 x i1>
%r = select <8 x i1> %mask, <8 x i1> %a, <8 x i1> %b
%res = bitcast <8 x i1> %r to i8
ret i8 %res;
}