llvm/test/CodeGen/AArch64/vector-minmax.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
; RUN: llc < %s -mtriple=aarch64 -mattr=+neon | FileCheck %s
; RUN: llc < %s -mtriple=aarch64 -mattr=+neon,+sve | FileCheck %s --check-prefix=CHECK-SVE

define <2 x i64> @smax_v2i64(<2 x i64> %a, <2 x i64> %b){
; CHECK-LABEL: smax_v2i64:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    cmgt v2.2d, v0.2d, v1.2d
; CHECK-NEXT:    bif v0.16b, v1.16b, v2.16b
; CHECK-NEXT:    ret
;
; CHECK-SVE-LABEL: smax_v2i64:
; CHECK-SVE:       // %bb.0: // %entry
; CHECK-SVE-NEXT:    ptrue p0.d, vl2
; CHECK-SVE-NEXT:    // kill: def $q0 killed $q0 def $z0
; CHECK-SVE-NEXT:    // kill: def $q1 killed $q1 def $z1
; CHECK-SVE-NEXT:    smax z0.d, p0/m, z0.d, z1.d
; CHECK-SVE-NEXT:    // kill: def $q0 killed $q0 killed $z0
; CHECK-SVE-NEXT:    ret
entry:
  %0 = call <2 x i64> @llvm.smax.v2i64(<2 x i64> %a, <2 x i64> %b)
  ret <2 x i64> %0
}

define <2 x i64> @smin_v2i64(<2 x i64> %a, <2 x i64> %b) {
; CHECK-LABEL: smin_v2i64:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    cmgt v2.2d, v1.2d, v0.2d
; CHECK-NEXT:    bif v0.16b, v1.16b, v2.16b
; CHECK-NEXT:    ret
;
; CHECK-SVE-LABEL: smin_v2i64:
; CHECK-SVE:       // %bb.0: // %entry
; CHECK-SVE-NEXT:    ptrue p0.d, vl2
; CHECK-SVE-NEXT:    // kill: def $q0 killed $q0 def $z0
; CHECK-SVE-NEXT:    // kill: def $q1 killed $q1 def $z1
; CHECK-SVE-NEXT:    smin z0.d, p0/m, z0.d, z1.d
; CHECK-SVE-NEXT:    // kill: def $q0 killed $q0 killed $z0
; CHECK-SVE-NEXT:    ret
entry:
  %0 = call <2 x i64> @llvm.smin.v2i64(<2 x i64> %a, <2 x i64> %b)
  ret <2 x i64> %0
}

define <2 x i64> @umax_v2i64(<2 x i64> %a, <2 x i64> %b){
; CHECK-LABEL: umax_v2i64:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    cmhi v2.2d, v0.2d, v1.2d
; CHECK-NEXT:    bif v0.16b, v1.16b, v2.16b
; CHECK-NEXT:    ret
;
; CHECK-SVE-LABEL: umax_v2i64:
; CHECK-SVE:       // %bb.0: // %entry
; CHECK-SVE-NEXT:    ptrue p0.d, vl2
; CHECK-SVE-NEXT:    // kill: def $q0 killed $q0 def $z0
; CHECK-SVE-NEXT:    // kill: def $q1 killed $q1 def $z1
; CHECK-SVE-NEXT:    umax z0.d, p0/m, z0.d, z1.d
; CHECK-SVE-NEXT:    // kill: def $q0 killed $q0 killed $z0
; CHECK-SVE-NEXT:    ret
entry:
  %0 = call <2 x i64> @llvm.umax.v2i64(<2 x i64> %a, <2 x i64> %b)
  ret <2 x i64> %0
}

define <2 x i64> @umin_v2i64(<2 x i64> %a, <2 x i64> %b) {
; CHECK-LABEL: umin_v2i64:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    cmhi v2.2d, v1.2d, v0.2d
; CHECK-NEXT:    bif v0.16b, v1.16b, v2.16b
; CHECK-NEXT:    ret
;
; CHECK-SVE-LABEL: umin_v2i64:
; CHECK-SVE:       // %bb.0: // %entry
; CHECK-SVE-NEXT:    ptrue p0.d, vl2
; CHECK-SVE-NEXT:    // kill: def $q0 killed $q0 def $z0
; CHECK-SVE-NEXT:    // kill: def $q1 killed $q1 def $z1
; CHECK-SVE-NEXT:    umin z0.d, p0/m, z0.d, z1.d
; CHECK-SVE-NEXT:    // kill: def $q0 killed $q0 killed $z0
; CHECK-SVE-NEXT:    ret
entry:
  %0 = call <2 x i64> @llvm.umin.v2i64(<2 x i64> %a, <2 x i64> %b)
  ret <2 x i64> %0
}

define <1 x i64> @smax_v1i64(<1 x i64> %a, <1 x i64> %b){
; CHECK-LABEL: smax_v1i64:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    cmgt d2, d0, d1
; CHECK-NEXT:    bif v0.8b, v1.8b, v2.8b
; CHECK-NEXT:    ret
;
; CHECK-SVE-LABEL: smax_v1i64:
; CHECK-SVE:       // %bb.0: // %entry
; CHECK-SVE-NEXT:    ptrue p0.d, vl1
; CHECK-SVE-NEXT:    // kill: def $d0 killed $d0 def $z0
; CHECK-SVE-NEXT:    // kill: def $d1 killed $d1 def $z1
; CHECK-SVE-NEXT:    smax z0.d, p0/m, z0.d, z1.d
; CHECK-SVE-NEXT:    // kill: def $d0 killed $d0 killed $z0
; CHECK-SVE-NEXT:    ret
entry:
  %0 = call <1 x i64> @llvm.smax.v2i64(<1 x i64> %a, <1 x i64> %b)
  ret <1 x i64> %0
}

; This is legal for Neon, so this should use the Neon smax.
define <4 x i32> @smax_v4i32(<4 x i32> %a, <4 x i32> %b){
; CHECK-LABEL: smax_v4i32:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    smax v0.4s, v0.4s, v1.4s
; CHECK-NEXT:    ret
;
; CHECK-SVE-LABEL: smax_v4i32:
; CHECK-SVE:       // %bb.0: // %entry
; CHECK-SVE-NEXT:    smax v0.4s, v0.4s, v1.4s
; CHECK-SVE-NEXT:    ret
entry:
  %0 = call <4 x i32> @llvm.smax.v4i32(<4 x i32> %a, <4 x i32> %b)
  ret <4 x i32> %0
}