reference, declaration → definition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced

    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17

; RUN: llc -mtriple=x86_64-- < %s | not grep negq

; These sequences don't need neg instructions; they can be done with
; a single shift and sub each.

define i64 @foo(i64 %x, i64 %y, i64 %n) nounwind {
  %a = sub i64 0, %y
  %b = shl i64 %a, %n
  %c = add i64 %b, %x
  ret i64 %c
}
define i64 @boo(i64 %x, i64 %y, i64 %n) nounwind {
  %a = sub i64 0, %y
  %b = shl i64 %a, %n
  %c = add i64 %x, %b
  ret i64 %c
}