llvm/test/CodeGen/AArch64/sme2-intrinsics-luti4.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc -verify-machineinstrs -force-streaming < %s | FileCheck %s

target triple = "aarch64-linux"

define {<vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>}  @test_luti4_zt_i8(<vscale x 16 x i8> %v0, <vscale x 16 x i8> %v1) #0 {
; CHECK-LABEL: test_luti4_zt_i8:
; CHECK:       // %bb.0:
; CHECK-NEXT:    luti4 { z0.b - z3.b }, zt0, { z0, z1 }
; CHECK-NEXT:    ret
  %res = call {<vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>} @llvm.aarch64.sme.luti4.zt.x4.nxv16i8(i32 0, <vscale x 16 x i8> %v0, <vscale x 16 x i8> %v1)
  ret {<vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>} %res
}

; Tests multiple identical luti4 intrinsics with ZT0 loads interspersed, are not CSD'd.
define void @test_multiple_luti4_zt_i8(ptr %ptrA, ptr %ptrB, <vscale x 16 x i8> %v0, <vscale x 16 x i8> %v1) #0 {
; CHECK-LABEL: test_multiple_luti4_zt_i8:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ldr zt0, [x0]
; CHECK-NEXT:    luti4 { z4.b - z7.b }, zt0, { z0, z1 }
; CHECK-NEXT:    // fake_use: $z4
; CHECK-NEXT:    ldr zt0, [x1]
; CHECK-NEXT:    luti4 { z0.b - z3.b }, zt0, { z0, z1 }
; CHECK-NEXT:    // fake_use: $z0
; CHECK-NEXT:    ret
  tail call void @llvm.aarch64.sme.ldr.zt(i32 0, ptr %ptrA)
  %res1 = call {<vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>} @llvm.aarch64.sme.luti4.zt.x4.nxv16i8(i32 0, <vscale x 16 x i8> %v0, <vscale x 16 x i8> %v1)
  tail call void @llvm.aarch64.sme.ldr.zt(i32 0, ptr %ptrB)
  %res2 = call {<vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>} @llvm.aarch64.sme.luti4.zt.x4.nxv16i8(i32 0, <vscale x 16 x i8> %v0, <vscale x 16 x i8> %v1)

  call void (...) @llvm.fake.use({ <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } %res1)
  call void (...) @llvm.fake.use({ <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } %res2)
  ret void
}

attributes #0 = { "target-features"="+sme2,+sme-lutv2"}