vcvt.ll 2.08 KB
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=thumbv8.1m.main -mattr=+mve.fp -verify-machineinstrs -o - %s | FileCheck %s

define arm_aapcs_vfpcc <8 x half> @test_vcvttq_f16_f32(<8 x half> %a, <4 x float> %b) {
; CHECK-LABEL: test_vcvttq_f16_f32:
; CHECK:       @ %bb.0: @ %entry
; CHECK-NEXT:    vcvtt.f16.f32 q0, q1
; CHECK-NEXT:    bx lr
entry:
  %0 = tail call <8 x half> @llvm.arm.mve.vcvt.narrow(<8 x half> %a, <4 x float> %b, i32 1)
  ret <8 x half> %0
}

define arm_aapcs_vfpcc <8 x half> @test_vcvtbq_f16_f32(<8 x half> %a, <4 x float> %b) {
; CHECK-LABEL: test_vcvtbq_f16_f32:
; CHECK:       @ %bb.0: @ %entry
; CHECK-NEXT:    vcvtb.f16.f32 q0, q1
; CHECK-NEXT:    bx lr
entry:
  %0 = tail call <8 x half> @llvm.arm.mve.vcvt.narrow(<8 x half> %a, <4 x float> %b, i32 0)
  ret <8 x half> %0
}

declare <8 x half> @llvm.arm.mve.vcvt.narrow(<8 x half>, <4 x float>, i32)

define arm_aapcs_vfpcc <8 x half> @test_vcvttq_m_f16_f32(<8 x half> %a, <4 x float> %b, i16 zeroext %p) {
; CHECK-LABEL: test_vcvttq_m_f16_f32:
; CHECK:       @ %bb.0: @ %entry
; CHECK-NEXT:    vmsr p0, r0
; CHECK-NEXT:    vpst
; CHECK-NEXT:    vcvttt.f16.f32 q0, q1
; CHECK-NEXT:    bx lr
entry:
  %0 = zext i16 %p to i32
  %1 = tail call <4 x i1> @llvm.arm.mve.pred.i2v.v4i1(i32 %0)
  %2 = tail call <8 x half> @llvm.arm.mve.vcvt.narrow.predicated(<8 x half> %a, <4 x float> %b, i32 1, <4 x i1> %1)
  ret <8 x half> %2
}

define arm_aapcs_vfpcc <8 x half> @test_vcvtbq_m_f16_f32(<8 x half> %a, <4 x float> %b, i16 zeroext %p) {
; CHECK-LABEL: test_vcvtbq_m_f16_f32:
; CHECK:       @ %bb.0: @ %entry
; CHECK-NEXT:    vmsr p0, r0
; CHECK-NEXT:    vpst
; CHECK-NEXT:    vcvtbt.f16.f32 q0, q1
; CHECK-NEXT:    bx lr
entry:
  %0 = zext i16 %p to i32
  %1 = tail call <4 x i1> @llvm.arm.mve.pred.i2v.v4i1(i32 %0)
  %2 = tail call <8 x half> @llvm.arm.mve.vcvt.narrow.predicated(<8 x half> %a, <4 x float> %b, i32 0, <4 x i1> %1)
  ret <8 x half> %2
}

declare <4 x i1> @llvm.arm.mve.pred.i2v.v4i1(i32)

declare <8 x half> @llvm.arm.mve.vcvt.narrow.predicated(<8 x half>, <4 x float>, i32, <4 x i1>)