llvm/test/CodeGen/RISCV/known-fpclass.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
; RUN: llc -mtriple=riscv64 -mattr=+v,+f,+d -target-abi=lp64d < %s | FileCheck %s

define <vscale x 4 x i1> @test_full_pinf_vs_pinf(<vscale x 4 x float> nofpclass(pinf) %a) {
; CHECK-LABEL: test_full_pinf_vs_pinf:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli a0, zero, e8, mf2, ta, ma
; CHECK-NEXT:    vmclr.m v0
; CHECK-NEXT:    ret
  %class = call <vscale x 4 x i1> @llvm.is.fpclass.nxv4f32(<vscale x 4 x float> %a, i32 512)
  ret <vscale x 4 x i1> %class
}

define <vscale x 4 x i1> @test_full_fabs_nan_vs_nan(<vscale x 4 x float> nofpclass(nan) %a) {
; CHECK-LABEL: test_full_fabs_nan_vs_nan:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli a0, zero, e8, mf2, ta, ma
; CHECK-NEXT:    vmclr.m v0
; CHECK-NEXT:    ret
  %abs = call <vscale x 4 x float> @llvm.fabs.nxv4f32(<vscale x 4 x float> %a)
  %class = call <vscale x 4 x i1> @llvm.is.fpclass.nxv4f32(<vscale x 4 x float> %abs, i32 3)
  ret <vscale x 4 x i1> %class
}

define <vscale x 4 x i1> @test_partial_nan_from_nan_pinf(<vscale x 4 x float> nofpclass(nan) %a) {
; CHECK-LABEL: test_partial_nan_from_nan_pinf:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli a0, zero, e32, m2, ta, ma
; CHECK-NEXT:    vfclass.v v8, v8
; CHECK-NEXT:    li a0, 128
; CHECK-NEXT:    vmseq.vx v0, v8, a0
; CHECK-NEXT:    ret
  %class = call <vscale x 4 x i1> @llvm.is.fpclass.nxv4f32(<vscale x 4 x float> %a, i32 515)
  ret <vscale x 4 x i1> %class
}

define <vscale x 4 x i1> @test_partial_pinf_from_inf(<vscale x 4 x float> nofpclass(pinf) %a) {
; CHECK-LABEL: test_partial_pinf_from_inf:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli a0, zero, e32, m2, ta, ma
; CHECK-NEXT:    vfclass.v v8, v8
; CHECK-NEXT:    li a0, 64
; CHECK-NEXT:    vmseq.vx v0, v8, a0
; CHECK-NEXT:    ret
  %class = call <vscale x 4 x i1> @llvm.is.fpclass.nxv4f32(<vscale x 4 x float> %a, i32 768)
  ret <vscale x 4 x i1> %class
}

define <vscale x 4 x i1> @test_no_overlap_pinf_vs_nan(<vscale x 4 x float> nofpclass(pinf) %a) {
; CHECK-LABEL: test_no_overlap_pinf_vs_nan:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli a0, zero, e32, m2, ta, ma
; CHECK-NEXT:    vfclass.v v8, v8
; CHECK-NEXT:    li a0, 768
; CHECK-NEXT:    vand.vx v8, v8, a0
; CHECK-NEXT:    vmsne.vi v0, v8, 0
; CHECK-NEXT:    ret
  %class = call <vscale x 4 x i1> @llvm.is.fpclass.nxv4f32(<vscale x 4 x float> %a, i32 3)
  ret <vscale x 4 x i1> %class
}

define <vscale x 4 x i1> @test_no_overlap_nan_vs_pinf(<vscale x 4 x float> nofpclass(nan) %a) {
; CHECK-LABEL: test_no_overlap_nan_vs_pinf:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli a0, zero, e32, m2, ta, ma
; CHECK-NEXT:    vfclass.v v8, v8
; CHECK-NEXT:    li a0, 128
; CHECK-NEXT:    vmseq.vx v0, v8, a0
; CHECK-NEXT:    ret
  %class = call <vscale x 4 x i1> @llvm.is.fpclass.nxv4f32(<vscale x 4 x float> %a, i32 512)
  ret <vscale x 4 x i1> %class
}