File: delay-slot-kill.ll

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llvm-toolchain-11 1%3A11.0.1-2~deb10u1
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; RUN: llc < %s -march=mips64 -mcpu=mips3 | FileCheck %s

; Currently, the following IR assembly generates a KILL instruction between
; the bitwise-and instruction and the return instruction. We verify that the
; delay slot filler ignores such KILL instructions by filling the slot of the
; return instruction properly.
define signext i32 @f1(i32 signext %a, i32 signext %b) {
entry:
  ; CHECK:          jr      $ra
  ; CHECK-NEXT:     and     $2, $4, $5

  %r = and i32 %a, %b
  ret i32 %r
}