test/CodeGen/AArch64/sve-merging-stores.ll

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

%complex = type { { double, double } }

; Function Attrs: argmemonly nounwind readonly
declare <vscale x 2 x double> @llvm.aarch64.sve.tuple.get.nxv2f64.nxv4f64(<vscale x 4 x double>, i32 immarg) #3

; Function Attrs: argmemonly nounwind readonly
declare <vscale x 4 x double> @llvm.aarch64.sve.ld2.nxv4f64.nxv2i1(<vscale x 2 x i1>, double*) #3

; Function Attrs: nounwind readnone
declare double @llvm.aarch64.sve.faddv.nxv2f64(<vscale x 2 x i1>, <vscale x 2 x double>) #2

define void @foo1(%complex* %outval, <vscale x 2 x i1> %pred, double *%inptr) {
; CHECK-LABEL: foo1:
; CHECK: ld2d { z0.d, z1.d }, p0/z, [x1]
; CHECK-NEXT: faddv d2, p0, z0.d
; CHECK-NEXT: faddv d0, p0, z1.d
; CHECK-NEXT: mov v2.d[1], v0.d[0]
; CHECK-NEXT: str q2, [x0]
  %realp = getelementptr inbounds %complex, %complex* %outval, i64 0, i32 0, i32 0
  %imagp = getelementptr inbounds %complex, %complex* %outval, i64 0, i32 0, i32 1
  %1 = call <vscale x 4 x double> @llvm.aarch64.sve.ld2.nxv4f64.nxv2i1(<vscale x 2 x i1> %pred, double* nonnull %inptr)
  %2 = call <vscale x 2 x double> @llvm.aarch64.sve.tuple.get.nxv2f64.nxv4f64(<vscale x 4 x double> %1, i32 0)
  %3 = call double @llvm.aarch64.sve.faddv.nxv2f64(<vscale x 2 x i1> %pred, <vscale x 2 x double> %2)
  %4 = call <vscale x 2 x double> @llvm.aarch64.sve.tuple.get.nxv2f64.nxv4f64(<vscale x 4 x double> %1, i32 1)
  %5 = call double @llvm.aarch64.sve.faddv.nxv2f64(<vscale x 2 x i1> %pred, <vscale x 2 x double> %4)
  store double %3, double* %realp, align 8
  store double %5, double* %imagp, align 8
  ret void
}