llvm/test/CodeGen/AArch64/sched-movprfx.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple aarch64 -mcpu=tsv110 -mattr=+sve < %s  | FileCheck %s

; Check that the movprfx intrinsic does not prevent load instructions from
; being scheduled together. As load instructions have long latency, expected
; be preferentially issued.


; NOTE: The unused paramter ensures z0/z1 is free, avoiding the antidependence for schedule.
define <vscale x 2 x i64> @and_i64_zero(<vscale x 2 x i1> %pg, <vscale x 2 x i64> %a, <vscale x 2 x i64> %b, <vscale x 2 x i64> %c, <vscale x 2 x i64>* %base) {
; CHECK-LABEL: and_i64_zero:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ld1d { z1.d }, p0/z, [x0]
; CHECK-NEXT:    ptrue p1.d
; CHECK-NEXT:    movprfx z0, z2
; CHECK-NEXT:    abs z0.d, p1/m, z2.d
; CHECK-NEXT:    add z0.d, z0.d, z1.d
; CHECK-NEXT:    ret
  %data0 = tail call <vscale x 2 x i64> @llvm.abs.nxv2i64(<vscale x 2 x i64> %c, i1 0)
  %data1 = call <vscale x 2 x i64> @llvm.masked.load.nxv2i64(<vscale x 2 x i64>* %base,
                                                            i32 1,
                                                            <vscale x 2 x i1> %pg,
                                                            <vscale x 2 x i64> undef)
  %out = add <vscale x 2 x i64> %data0, %data1
  ret <vscale x 2 x i64> %out
}

declare <vscale x 2 x i64> @llvm.abs.nxv2i64(<vscale x 2 x i64>, i1)
declare <vscale x 2 x i64> @llvm.masked.load.nxv2i64(<vscale x 2 x i64>*, i32, <vscale x 2 x i1>, <vscale x 2 x i64>)