llvm/test/CodeGen/AArch64/arm64-prefetch-addrmode.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc -mtriple=aarch64 < %s | FileCheck %s

define void @imm9(ptr %object) {
; CHECK-LABEL: imm9:
; CHECK:       // %bb.0:
; CHECK-NEXT:    prfum pldl1keep, [x0, #7]
; CHECK-NEXT:    ret
  %incdec.ptr = getelementptr inbounds i8, ptr %object, i64 7
  call void @llvm.prefetch.p0(ptr %incdec.ptr, i32 0, i32 3, i32 1)
  ret void
}

define void @imm9_max(ptr %object) {
; CHECK-LABEL: imm9_max:
; CHECK:       // %bb.0:
; CHECK-NEXT:    prfum pldl1keep, [x0, #255]
; CHECK-NEXT:    ret
  %incdec.ptr = getelementptr inbounds i8, ptr %object, i64 255
  call void @llvm.prefetch.p0(ptr %incdec.ptr, i32 0, i32 3, i32 1)
  ret void
}

define void @imm9_above_max(ptr %object) {
; CHECK-LABEL: imm9_above_max:
; CHECK:       // %bb.0:
; CHECK-NEXT:    add x8, x0, #257
; CHECK-NEXT:    prfm pldl1keep, [x8]
; CHECK-NEXT:    ret
  %incdec.ptr = getelementptr inbounds i8, ptr %object, i64 257  ; 256 would use the imm12 mode
  call void @llvm.prefetch.p0(ptr %incdec.ptr, i32 0, i32 3, i32 1)
  ret void
}

define void @imm9_min(ptr %object) {
; CHECK-LABEL: imm9_min:
; CHECK:       // %bb.0:
; CHECK-NEXT:    prfum pldl1keep, [x0, #-256]
; CHECK-NEXT:    ret
  %incdec.ptr = getelementptr inbounds i8, ptr %object, i64 -256
  call void @llvm.prefetch.p0(ptr %incdec.ptr, i32 0, i32 3, i32 1)
  ret void
}

define void @imm9_below_min(ptr %object) {
; CHECK-LABEL: imm9_below_min:
; CHECK:       // %bb.0:
; CHECK-NEXT:    sub x8, x0, #257
; CHECK-NEXT:    prfm pldl1keep, [x8]
; CHECK-NEXT:    ret
  %incdec.ptr = getelementptr inbounds i8, ptr %object, i64 -257
  call void @llvm.prefetch.p0(ptr %incdec.ptr, i32 0, i32 3, i32 1)
  ret void
}

define void @imm12(ptr %object) {
; CHECK-LABEL: imm12:
; CHECK:       // %bb.0:
; CHECK-NEXT:    prfm pldl1keep, [x0, #8]
; CHECK-NEXT:    ret
  %incdec.ptr = getelementptr inbounds i64, ptr %object, i64 1
  call void @llvm.prefetch.p0(ptr %incdec.ptr, i32 0, i32 3, i32 1)
  ret void
}

define void @imm12_max(ptr %object) {
; CHECK-LABEL: imm12_max:
; CHECK:       // %bb.0:
; CHECK-NEXT:    prfm pldl1keep, [x0, #32760]
; CHECK-NEXT:    ret
  %incdec.ptr = getelementptr inbounds i64, ptr %object, i64 4095
  call void @llvm.prefetch.p0(ptr %incdec.ptr, i32 0, i32 3, i32 1)
  ret void
}

define void @imm12_above_max(ptr %object) {
; CHECK-LABEL: imm12_above_max:
; CHECK:       // %bb.0:
; CHECK-NEXT:    mov w8, #32768 // =0x8000
; CHECK-NEXT:    prfm pldl1keep, [x0, x8]
; CHECK-NEXT:    ret
  %incdec.ptr = getelementptr inbounds i64, ptr %object, i64 4096
  call void @llvm.prefetch.p0(ptr %incdec.ptr, i32 0, i32 3, i32 1)
  ret void
}

define void @reg(ptr %object, i64 %a) {
; CHECK-LABEL: reg:
; CHECK:       // %bb.0:
; CHECK-NEXT:    prfm pldl1keep, [x0, x1]
; CHECK-NEXT:    ret
  %incdec.ptr = getelementptr inbounds i8, ptr %object, i64 %a
  call void @llvm.prefetch.p0(ptr %incdec.ptr, i32 0, i32 3, i32 1)
  ret void
}

define void @reg_shift(ptr %object, i64 %a) {
; CHECK-LABEL: reg_shift:
; CHECK:       // %bb.0:
; CHECK-NEXT:    prfm pldl1keep, [x0, x1, lsl #3]
; CHECK-NEXT:    ret
  %incdec.ptr = getelementptr inbounds i64, ptr %object, i64 %a
  call void @llvm.prefetch.p0(ptr %incdec.ptr, i32 0, i32 3, i32 1)
  ret void
}

define void @reg_sext(ptr %object, i32 %a) {
; CHECK-LABEL: reg_sext:
; CHECK:       // %bb.0:
; CHECK-NEXT:    prfm pldl1keep, [x0, w1, sxtw]
; CHECK-NEXT:    ret
  %incdec.ptr = getelementptr inbounds i8, ptr %object, i32 %a
  call void @llvm.prefetch.p0(ptr %incdec.ptr, i32 0, i32 3, i32 1)
  ret void
}

define void @reg_sext_shift(ptr %object, i32 %a) {
; CHECK-LABEL: reg_sext_shift:
; CHECK:       // %bb.0:
; CHECK-NEXT:    prfm pldl1keep, [x0, w1, sxtw #3]
; CHECK-NEXT:    ret
  %incdec.ptr = getelementptr inbounds i64, ptr %object, i32 %a
  call void @llvm.prefetch.p0(ptr %incdec.ptr, i32 0, i32 3, i32 1)
  ret void
}

define void @reg_zext(ptr %object, i32 %a) {
; CHECK-LABEL: reg_zext:
; CHECK:       // %bb.0:
; CHECK-NEXT:    prfm pldl1keep, [x0, w1, uxtw]
; CHECK-NEXT:    ret
  %a.zext = zext i32 %a to i64
  %incdec.ptr = getelementptr inbounds i8, ptr %object, i64 %a.zext
  call void @llvm.prefetch.p0(ptr %incdec.ptr, i32 0, i32 3, i32 1)
  ret void
}

define void @reg_zext_shift(ptr %object, i32 %a) {
; CHECK-LABEL: reg_zext_shift:
; CHECK:       // %bb.0:
; CHECK-NEXT:    prfm pldl1keep, [x0, w1, uxtw #3]
; CHECK-NEXT:    ret
  %a.zext = zext i32 %a to i64
  %incdec.ptr = getelementptr inbounds i64, ptr %object, i64 %a.zext
  call void @llvm.prefetch.p0(ptr %incdec.ptr, i32 0, i32 3, i32 1)
  ret void
}