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llvm/llvm/test/CodeGen/RISCV/rvv/vfclass-vp.ll 

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -mattr=+d,+zfh,+zvfh,+v -target-abi=ilp32d \
; RUN:     -verify-machineinstrs < %s | FileCheck %s
; RUN: llc -mtriple=riscv64 -mattr=+d,+zfh,+zvfh,+v -target-abi=lp64d \
; RUN:     -verify-machineinstrs < %s | FileCheck %s

define <vscale x 2 x i1> @isnan_nxv2f16(<vscale x 2 x half> %x, <vscale x 2 x i1> %m, i32 zeroext %evl) {
; CHECK-LABEL: isnan_nxv2f16:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli zero, a0, e16, mf2, ta, ma
; CHECK-NEXT:    vfclass.v v8, v8, v0.t
; CHECK-NEXT:    li a0, 768
; CHECK-NEXT:    vsetvli a1, zero, e16, mf2, ta, ma
; CHECK-NEXT:    vand.vx v8, v8, a0
; CHECK-NEXT:    vmsne.vi v0, v8, 0
; CHECK-NEXT:    ret
  %1 = call <vscale x 2 x i1> @llvm.vp.is.fpclass.nxv2f16(<vscale x 2 x half> %x, i32 3, <vscale x 2 x i1> %m, i32 %evl)  ; nan
  ret <vscale x 2 x i1> %1
}

define <vscale x 2 x i1> @isnan_nxv2f16_unmasked(<vscale x 2 x half> %x, i32 zeroext %evl) {
; CHECK-LABEL: isnan_nxv2f16_unmasked:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli zero, a0, e16, mf2, ta, ma
; CHECK-NEXT:    vfclass.v v8, v8
; CHECK-NEXT:    li a0, 768
; CHECK-NEXT:    vsetvli a1, zero, e16, mf2, ta, ma
; CHECK-NEXT:    vand.vx v8, v8, a0
; CHECK-NEXT:    vmsne.vi v0, v8, 0
; CHECK-NEXT:    ret
  %1 = call <vscale x 2 x i1> @llvm.vp.is.fpclass.nxv2f16(<vscale x 2 x half> %x, i32 3, <vscale x 2 x i1> splat (i1 true), i32 %evl)  ; nan
  ret <vscale x 2 x i1> %1
}

define <vscale x 2 x i1> @isnan_nxv2f32(<vscale x 2 x float> %x, <vscale x 2 x i1> %m, i32 zeroext %evl) {
; CHECK-LABEL: isnan_nxv2f32:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli zero, a0, e32, m1, ta, ma
; CHECK-NEXT:    vfclass.v v8, v8, v0.t
; CHECK-NEXT:    li a0, 927
; CHECK-NEXT:    vsetvli a1, zero, e32, m1, ta, ma
; CHECK-NEXT:    vand.vx v8, v8, a0
; CHECK-NEXT:    vmsne.vi v0, v8, 0
; CHECK-NEXT:    ret
  %1 = call <vscale x 2 x i1> @llvm.vp.is.fpclass.nxv2f32(<vscale x 2 x float> %x, i32 639, <vscale x 2 x i1> %m, i32 %evl)
  ret <vscale x 2 x i1> %1
}

define <vscale x 2 x i1> @isnan_nxv2f32_unmasked(<vscale x 2 x float> %x, i32 zeroext %evl) {
; CHECK-LABEL: isnan_nxv2f32_unmasked:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli zero, a0, e32, m1, ta, ma
; CHECK-NEXT:    vfclass.v v8, v8
; CHECK-NEXT:    li a0, 927
; CHECK-NEXT:    vsetvli a1, zero, e32, m1, ta, ma
; CHECK-NEXT:    vand.vx v8, v8, a0
; CHECK-NEXT:    vmsne.vi v0, v8, 0
; CHECK-NEXT:    ret
  %1 = call <vscale x 2 x i1> @llvm.vp.is.fpclass.nxv2f32(<vscale x 2 x float> %x, i32 639, <vscale x 2 x i1> splat (i1 true), i32 %evl)
  ret <vscale x 2 x i1> %1
}

define <vscale x 4 x i1> @isnan_nxv4f32(<vscale x 4 x float> %x, <vscale x 4 x i1> %m, i32 zeroext %evl) {
; CHECK-LABEL: isnan_nxv4f32:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli zero, a0, e32, m2, ta, ma
; CHECK-NEXT:    vfclass.v v8, v8, v0.t
; CHECK-NEXT:    li a0, 768
; CHECK-NEXT:    vsetvli a1, zero, e32, m2, ta, ma
; CHECK-NEXT:    vand.vx v8, v8, a0
; CHECK-NEXT:    vmsne.vi v0, v8, 0
; CHECK-NEXT:    ret
  %1 = call <vscale x 4 x i1> @llvm.vp.is.fpclass.nxv4f32(<vscale x 4 x float> %x, i32 3, <vscale x 4 x i1> %m, i32 %evl)  ; nan
  ret <vscale x 4 x i1> %1
}

define <vscale x 4 x i1> @isnan_nxv4f32_unmasked(<vscale x 4 x float> %x, i32 zeroext %evl) {
; CHECK-LABEL: isnan_nxv4f32_unmasked:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli zero, a0, e32, m2, ta, ma
; CHECK-NEXT:    vfclass.v v8, v8
; CHECK-NEXT:    li a0, 768
; CHECK-NEXT:    vsetvli a1, zero, e32, m2, ta, ma
; CHECK-NEXT:    vand.vx v8, v8, a0
; CHECK-NEXT:    vmsne.vi v0, v8, 0
; CHECK-NEXT:    ret
  %1 = call <vscale x 4 x i1> @llvm.vp.is.fpclass.nxv4f32(<vscale x 4 x float> %x, i32 3, <vscale x 4 x i1> splat (i1 true), i32 %evl)  ; nan
  ret <vscale x 4 x i1> %1
}

define <vscale x 8 x i1> @isnan_nxv8f32(<vscale x 8 x float> %x,  <vscale x 8 x i1> %m, i32 zeroext %evl) {
; CHECK-LABEL: isnan_nxv8f32:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli zero, a0, e32, m4, ta, ma
; CHECK-NEXT:    vfclass.v v8, v8, v0.t
; CHECK-NEXT:    li a0, 512
; CHECK-NEXT:    vsetvli a1, zero, e32, m4, ta, ma
; CHECK-NEXT:    vmseq.vx v0, v8, a0
; CHECK-NEXT:    ret
  %1 = call <vscale x 8 x i1> @llvm.vp.is.fpclass.nxv8f32(<vscale x 8 x float> %x, i32 2, <vscale x 8 x i1> %m, i32 %evl)
  ret <vscale x 8 x i1> %1
}

define <vscale x 8 x i1> @isnan_nxv8f32_unmasked(<vscale x 8 x float> %x, i32 zeroext %evl) {
; CHECK-LABEL: isnan_nxv8f32_unmasked:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli zero, a0, e32, m4, ta, ma
; CHECK-NEXT:    vfclass.v v8, v8
; CHECK-NEXT:    li a0, 512
; CHECK-NEXT:    vsetvli a1, zero, e32, m4, ta, ma
; CHECK-NEXT:    vmseq.vx v0, v8, a0
; CHECK-NEXT:    ret
  %1 = call <vscale x 8 x i1> @llvm.vp.is.fpclass.nxv8f32(<vscale x 8 x float> %x, i32 2, <vscale x 8 x i1> splat (i1 true), i32 %evl)
  ret <vscale x 8 x i1> %1
}

define <vscale x 16 x i1> @isnan_nxv16f32(<vscale x 16 x float> %x, <vscale x 16 x i1> %m, i32 zeroext %evl) {
; CHECK-LABEL: isnan_nxv16f32:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli zero, a0, e32, m8, ta, ma
; CHECK-NEXT:    vfclass.v v8, v8, v0.t
; CHECK-NEXT:    li a0, 256
; CHECK-NEXT:    vsetvli a1, zero, e32, m8, ta, ma
; CHECK-NEXT:    vmseq.vx v0, v8, a0
; CHECK-NEXT:    ret
  %1 = call <vscale x 16 x i1> @llvm.vp.is.fpclass.nxv16f32(<vscale x 16 x float> %x, i32 1, <vscale x 16 x i1> %m, i32 %evl)
  ret <vscale x 16 x i1> %1
}

define <vscale x 16 x i1> @isnan_nxv16f32_unmasked(<vscale x 16 x float> %x, i32 zeroext %evl) {
; CHECK-LABEL: isnan_nxv16f32_unmasked:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli zero, a0, e32, m8, ta, ma
; CHECK-NEXT:    vfclass.v v8, v8
; CHECK-NEXT:    li a0, 256
; CHECK-NEXT:    vsetvli a1, zero, e32, m8, ta, ma
; CHECK-NEXT:    vmseq.vx v0, v8, a0
; CHECK-NEXT:    ret
  %1 = call <vscale x 16 x i1> @llvm.vp.is.fpclass.nxv16f32(<vscale x 16 x float> %x, i32 1, <vscale x 16 x i1> splat (i1 true), i32 %evl)
  ret <vscale x 16 x i1> %1
}

define <vscale x 2 x i1> @isnormal_nxv2f64(<vscale x 2 x double> %x, <vscale x 2 x i1> %m, i32 zeroext %evl) {
; CHECK-LABEL: isnormal_nxv2f64:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli zero, a0, e64, m2, ta, ma
; CHECK-NEXT:    vfclass.v v8, v8, v0.t
; CHECK-NEXT:    li a0, 129
; CHECK-NEXT:    vsetvli a1, zero, e64, m2, ta, ma
; CHECK-NEXT:    vand.vx v8, v8, a0
; CHECK-NEXT:    vmsne.vi v0, v8, 0
; CHECK-NEXT:    ret
  %1 = call <vscale x 2 x i1> @llvm.vp.is.fpclass.nxv2f64(<vscale x 2 x double> %x, i32 516, <vscale x 2 x i1> %m, i32 %evl) ; 0x204 = "inf"
  ret <vscale x 2 x i1> %1
}

define <vscale x 2 x i1> @isnormal_nxv2f64_unmasked(<vscale x 2 x double> %x, i32 zeroext %evl) {
; CHECK-LABEL: isnormal_nxv2f64_unmasked:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli zero, a0, e64, m2, ta, ma
; CHECK-NEXT:    vfclass.v v8, v8
; CHECK-NEXT:    li a0, 129
; CHECK-NEXT:    vsetvli a1, zero, e64, m2, ta, ma
; CHECK-NEXT:    vand.vx v8, v8, a0
; CHECK-NEXT:    vmsne.vi v0, v8, 0
; CHECK-NEXT:    ret
  %1 = call <vscale x 2 x i1> @llvm.vp.is.fpclass.nxv2f64(<vscale x 2 x double> %x, i32 516, <vscale x 2 x i1> splat (i1 true), i32 %evl) ; 0x204 = "inf"
  ret <vscale x 2 x i1> %1
}

define <vscale x 4 x i1> @isposinf_nxv4f64(<vscale x 4 x double> %x, <vscale x 4 x i1> %m, i32 zeroext %evl) {
; CHECK-LABEL: isposinf_nxv4f64:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli zero, a0, e64, m4, ta, ma
; CHECK-NEXT:    vfclass.v v8, v8, v0.t
; CHECK-NEXT:    li a0, 128
; CHECK-NEXT:    vsetvli a1, zero, e64, m4, ta, ma
; CHECK-NEXT:    vmseq.vx v0, v8, a0
; CHECK-NEXT:    ret
  %1 = call <vscale x 4 x i1> @llvm.vp.is.fpclass.nxv4f64(<vscale x 4 x double> %x, i32 512, <vscale x 4 x i1> %m, i32 %evl) ; 0x200 = "+inf"
  ret <vscale x 4 x i1> %1
}

define <vscale x 4 x i1> @isposinf_nxv4f64_unmasked(<vscale x 4 x double> %x, i32 zeroext %evl) {
; CHECK-LABEL: isposinf_nxv4f64_unmasked:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli zero, a0, e64, m4, ta, ma
; CHECK-NEXT:    vfclass.v v8, v8
; CHECK-NEXT:    li a0, 128
; CHECK-NEXT:    vsetvli a1, zero, e64, m4, ta, ma
; CHECK-NEXT:    vmseq.vx v0, v8, a0
; CHECK-NEXT:    ret
  %1 = call <vscale x 4 x i1> @llvm.vp.is.fpclass.nxv4f64(<vscale x 4 x double> %x, i32 512, <vscale x 4 x i1> splat (i1 true), i32 %evl) ; 0x200 = "+inf"
  ret <vscale x 4 x i1> %1
}

define <vscale x 8 x i1> @isneginf_nxv8f64(<vscale x 8 x double> %x, <vscale x 8 x i1> %m, i32 zeroext %evl) {
; CHECK-LABEL: isneginf_nxv8f64:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli zero, a0, e64, m8, ta, ma
; CHECK-NEXT:    vfclass.v v8, v8, v0.t
; CHECK-NEXT:    vsetvli a0, zero, e64, m8, ta, ma
; CHECK-NEXT:    vmseq.vi v0, v8, 1
; CHECK-NEXT:    ret
  %1 = call <vscale x 8 x i1> @llvm.vp.is.fpclass.nxv8f64(<vscale x 8 x double> %x, i32 4, <vscale x 8 x i1> %m, i32 %evl) ; "-inf"
  ret <vscale x 8 x i1> %1
}

define <vscale x 8 x i1> @isneginf_nxv8f64_unmasked(<vscale x 8 x double> %x, i32 zeroext %evl) {
; CHECK-LABEL: isneginf_nxv8f64_unmasked:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli zero, a0, e64, m8, ta, ma
; CHECK-NEXT:    vfclass.v v8, v8
; CHECK-NEXT:    vsetvli a0, zero, e64, m8, ta, ma
; CHECK-NEXT:    vmseq.vi v0, v8, 1
; CHECK-NEXT:    ret
  %1 = call <vscale x 8 x i1> @llvm.vp.is.fpclass.nxv8f64(<vscale x 8 x double> %x, i32 4, <vscale x 8 x i1> splat (i1 true), i32 %evl) ; "-inf"
  ret <vscale x 8 x i1> %1
}


declare <vscale x 2 x i1> @llvm.vp.is.fpclass.nxv2f16(<vscale x 2 x half>, i32, <vscale x 2 x i1>, i32)
declare <vscale x 2 x i1> @llvm.vp.is.fpclass.nxv2f32(<vscale x 2 x float>, i32, <vscale x 2 x i1>, i32)
declare <vscale x 4 x i1> @llvm.vp.is.fpclass.nxv4f32(<vscale x 4 x float>, i32, <vscale x 4 x i1>, i32)
declare <vscale x 8 x i1> @llvm.vp.is.fpclass.nxv8f32(<vscale x 8 x float>, i32, <vscale x 8 x i1>, i32)
declare <vscale x 16 x i1> @llvm.vp.is.fpclass.nxv16f32(<vscale x 16 x float>, i32, <vscale x 16 x i1>, i32)
declare <vscale x 2 x i1> @llvm.vp.is.fpclass.nxv2f64(<vscale x 2 x double>, i32, <vscale x 2 x i1>, i32)
declare <vscale x 4 x i1> @llvm.vp.is.fpclass.nxv4f64(<vscale x 4 x double>, i32, <vscale x 4 x i1>, i32)
declare <vscale x 8 x i1> @llvm.vp.is.fpclass.nxv8f64(<vscale x 8 x double>, i32, <vscale x 8 x i1>, i32)