1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=x86_64-unknown-linux-gnu %s -o - | FileCheck %s
3
4define i8 @_BitScanForward(i32* nocapture %Index, i32 %Mask) {
5; CHECK-LABEL: _BitScanForward:
6; CHECK:       # %bb.0: # %entry
7; CHECK-NEXT:    #APP
8; CHECK-NEXT:    bsfl %esi, %ecx
9; CHECK-NEXT:    #NO_APP
10; CHECK-NEXT:    setne %al
11; CHECK-NEXT:    movl %ecx, (%rdi)
12; CHECK-NEXT:    retq
13entry:
14  %0 = tail call { i8, i32 } asm "bsf$(l $2,$1 $| $1,$2$)", "={@ccnz},=r,r,~{dirflag},~{fpsr},~{flags}"(i32 %Mask)
15  %asmresult = extractvalue { i8, i32 } %0, 0
16  %asmresult1 = extractvalue { i8, i32 } %0, 1
17  store i32 %asmresult1, i32* %Index, align 4
18  ret i8 %asmresult
19}
20