; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-- -mattr=+sse,+prfchw,+movrs | FileCheck %s
; RUN: llc < %s -mtriple=i686-- -mattr=-sse,+prfchw,+movrs | FileCheck %s

define void @t(ptr %ptr) nounwind  {
; CHECK-LABEL: t:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT:    prefetchrst2 (%eax)
; CHECK-NEXT:    retl
entry:
  tail call void @llvm.x86.prefetchrs( ptr %ptr )
  ret void
}