File: pr92569.ll

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llvm-toolchain-21 1%3A21.1.4-5
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
; RUN: llc < %s -mtriple=x86_64-linux-gnu | FileCheck %s

define void @PR92569(i64 %arg, <8 x i8> %arg1) {
; CHECK-LABEL: PR92569:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movl $64, %eax
; CHECK-NEXT:    rep bsfq %rdi, %rax
; CHECK-NEXT:    shrb $3, %al
; CHECK-NEXT:    movaps %xmm0, -{{[0-9]+}}(%rsp)
; CHECK-NEXT:    movzbl %al, %eax
; CHECK-NEXT:    movzbl -24(%rsp,%rax), %eax
; CHECK-NEXT:    movl %eax, 0
; CHECK-NEXT:    retq
  %cttz = call i64 @llvm.cttz.i64(i64 %arg, i1 false)
  %trunc = trunc i64 %cttz to i8
  %lshr = lshr i8 %trunc, 3
  %extractelement = extractelement <8 x i8> %arg1, i8 %lshr
  %freeze = freeze i8 %extractelement
  %zext = zext i8 %freeze to i32
  store i32 %zext, ptr addrspace(1) null, align 4
  ret void
}