; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s
; rdar://7570931

define i64 @foo(i64 %a, i64 %b) nounwind {
; CHECK-LABEL: foo:
; CHECK:       # %bb.0:
; CHECK-NEXT:    leal (%rdi,%rsi), %eax
; CHECK-NEXT:    retq
  %c = add i64 %a, %b
  %d = trunc i64 %c to i32
  %e = zext i32 %d to i64
  ret i64 %e
}
