llvm/test/CodeGen/X86/pr94824.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc < %s -mtriple=x86_64-linux-gnu | FileCheck %s

define i16 @pr94824(i8 %x1) {
; CHECK-LABEL: pr94824:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    orl $256, %edi # imm = 0x100
; CHECK-NEXT:    rep bsfl %edi, %ecx
; CHECK-NEXT:    movl $1, %eax
; CHECK-NEXT:    # kill: def $cl killed $cl killed $ecx
; CHECK-NEXT:    shll %cl, %eax
; CHECK-NEXT:    # kill: def $ax killed $ax killed $eax
; CHECK-NEXT:    retq
entry:
  %cttz = call i8 @llvm.cttz.i8(i8 %x1, i1 false)
  %ext = zext i8 %cttz to i16
  %shl = shl i16 1, %ext
  ret i16 %shl
}