File: delay-slot-kill.ll

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.4-5
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,236,516 kB
  • sloc: cpp: 7,619,569; ansic: 1,433,956; asm: 1,058,748; python: 252,181; f90: 94,671; objc: 70,753; lisp: 42,813; pascal: 18,401; sh: 8,601; ml: 5,111; perl: 4,720; makefile: 3,585; awk: 3,523; javascript: 2,272; xml: 892; fortran: 770
file content (14 lines) | stat: -rw-r--r-- 495 bytes parent folder | download | duplicates (8)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
; RUN: llc < %s -mtriple=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
}