; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sve < %s | FileCheck %s

;
; LDFF1H, LDFF1W, LDFF1D: base + 64-bit scaled offset
;   e.g. ldff1h z0.d, p0/z, [x0, z0.d, lsl #1]
;

define <vscale x 2 x i64> @gldff1h_index(<vscale x 2 x i1> %pg, i16* %base, <vscale x 2 x i64> %b) {
; CHECK-LABEL: gldff1h_index
; CHECK:	    ldff1h	{ z0.d }, p0/z, [x0, z0.d, lsl #1]
; CHECK-NEXT:	ret
  %load = call <vscale x 2 x i16> @llvm.aarch64.sve.ldff1.gather.index.nxv2i16(<vscale x 2 x i1> %pg,
                                                                               i16* %base,
                                                                               <vscale x 2 x i64> %b)
  %res = zext <vscale x 2 x i16> %load to <vscale x 2 x i64>
  ret <vscale x 2 x i64> %res
}

define <vscale x 2 x i64> @gldff1w_index(<vscale x 2 x i1> %pg, i32* %base, <vscale x 2 x i64> %b) {
; CHECK-LABEL: gldff1w_index
; CHECK:	    ldff1w	{ z0.d }, p0/z, [x0, z0.d, lsl #2]
; CHECK-NEXT:	ret
  %load = call <vscale x 2 x i32> @llvm.aarch64.sve.ldff1.gather.index.nxv2i32(<vscale x 2 x i1> %pg,
                                                                               i32* %base,
                                                                               <vscale x 2 x i64> %b)
  %res = zext <vscale x 2 x i32> %load to <vscale x 2 x i64>
  ret <vscale x 2 x i64> %res
}

define <vscale x 2 x i64> @gldff1d_index(<vscale x 2 x i1> %pg, i64* %base, <vscale x 2 x i64> %b) {
; CHECK-LABEL: gldff1d_index
; CHECK:	    ldff1d	{ z0.d }, p0/z, [x0, z0.d, lsl #3]
; CHECK-NEXT:	ret
  %load = call <vscale x 2 x i64> @llvm.aarch64.sve.ldff1.gather.index.nxv2i64(<vscale x 2 x i1> %pg,
                                                                               i64* %base,
                                                                               <vscale x 2 x i64> %b)
  ret <vscale x 2 x i64> %load
}

define <vscale x 2 x double> @gldff1d_index_double(<vscale x 2 x i1> %pg, double* %base, <vscale x 2 x i64> %b) {
; CHECK-LABEL: gldff1d_index_double
; CHECK:	    ldff1d	{ z0.d }, p0/z, [x0, z0.d, lsl #3]
; CHECK-NEXT:	ret
  %load = call <vscale x 2 x double> @llvm.aarch64.sve.ldff1.gather.index.nxv2f64(<vscale x 2 x i1> %pg,
                                                                                  double* %base,
                                                                                  <vscale x 2 x i64> %b)
  ret <vscale x 2 x double> %load
}

;
; LDFF1SH, LDFF1SW: base + 64-bit scaled offset
;   e.g. ldff1sh z0.d, p0/z, [x0, z0.d, lsl #1]
;

define <vscale x 2 x i64> @gldff1sh_index(<vscale x 2 x i1> %pg, i16* %base, <vscale x 2 x i64> %b) {
; CHECK-LABEL: gldff1sh_index
; CHECK:	    ldff1sh	{ z0.d }, p0/z, [x0, z0.d, lsl #1]
; CHECK-NEXT:	ret
  %load = call <vscale x 2 x i16> @llvm.aarch64.sve.ldff1.gather.index.nxv2i16(<vscale x 2 x i1> %pg,
                                                                               i16* %base,
                                                                               <vscale x 2 x i64> %b)
  %res = sext <vscale x 2 x i16> %load to <vscale x 2 x i64>
  ret <vscale x 2 x i64> %res
}

define <vscale x 2 x i64> @gldff1sw_index(<vscale x 2 x i1> %pg, i32* %base, <vscale x 2 x i64> %b) {
; CHECK-LABEL: gldff1sw_index
; CHECK:	    ldff1sw	{ z0.d }, p0/z, [x0, z0.d, lsl #2]
; CHECK-NEXT:	ret
  %load = call <vscale x 2 x i32> @llvm.aarch64.sve.ldff1.gather.index.nxv2i32(<vscale x 2 x i1> %pg,
                                                                               i32* %base,
                                                                               <vscale x 2 x i64> %b)
  %res = sext <vscale x 2 x i32> %load to <vscale x 2 x i64>
  ret <vscale x 2 x i64> %res
}

declare <vscale x 2 x i16> @llvm.aarch64.sve.ldff1.gather.index.nxv2i16(<vscale x 2 x i1>, i16*, <vscale x 2 x i64>)
declare <vscale x 2 x i32> @llvm.aarch64.sve.ldff1.gather.index.nxv2i32(<vscale x 2 x i1>, i32*, <vscale x 2 x i64>)
declare <vscale x 2 x i64> @llvm.aarch64.sve.ldff1.gather.index.nxv2i64(<vscale x 2 x i1>, i64*, <vscale x 2 x i64>)
declare <vscale x 2 x double> @llvm.aarch64.sve.ldff1.gather.index.nxv2f64(<vscale x 2 x i1>, double*, <vscale x 2 x i64>)