; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=riscv64 -mattr=+m | FileCheck %s declare i15 @llvm.ctlz.i15(i15, i1) define i15 @foo(i15 %x) nounwind { ; CHECK-LABEL: foo: ; CHECK: # %bb.0: ; CHECK-NEXT: slli a1, a0, 49 ; CHECK-NEXT: beqz a1, .LBB0_2 ; CHECK-NEXT: # %bb.1: # %cond.false ; CHECK-NEXT: srli a1, a1, 50 ; CHECK-NEXT: lui a2, 1 ; CHECK-NEXT: lui a3, 209715 ; CHECK-NEXT: lui a4, 61681 ; CHECK-NEXT: or a0, a0, a1 ; CHECK-NEXT: addi a1, a2, 1365 ; CHECK-NEXT: addi a2, a3, 819 ; CHECK-NEXT: addi a3, a4, -241 ; CHECK-NEXT: slli a4, a2, 32 ; CHECK-NEXT: add a2, a2, a4 ; CHECK-NEXT: slli a4, a3, 32 ; CHECK-NEXT: add a3, a3, a4 ; CHECK-NEXT: slli a4, a0, 49 ; CHECK-NEXT: srli a4, a4, 51 ; CHECK-NEXT: or a0, a0, a4 ; CHECK-NEXT: slli a4, a0, 49 ; CHECK-NEXT: srli a4, a4, 53 ; CHECK-NEXT: or a0, a0, a4 ; CHECK-NEXT: slli a4, a0, 49 ; CHECK-NEXT: srli a4, a4, 57 ; CHECK-NEXT: or a0, a0, a4 ; CHECK-NEXT: not a0, a0 ; CHECK-NEXT: srli a4, a0, 1 ; CHECK-NEXT: and a1, a4, a1 ; CHECK-NEXT: slli a0, a0, 49 ; CHECK-NEXT: srli a0, a0, 49 ; CHECK-NEXT: sub a0, a0, a1 ; CHECK-NEXT: and a1, a0, a2 ; CHECK-NEXT: srli a0, a0, 2 ; CHECK-NEXT: and a0, a0, a2 ; CHECK-NEXT: add a0, a1, a0 ; CHECK-NEXT: srli a1, a0, 4 ; CHECK-NEXT: add a0, a0, a1 ; CHECK-NEXT: lui a1, 4112 ; CHECK-NEXT: addi a1, a1, 257 ; CHECK-NEXT: and a0, a0, a3 ; CHECK-NEXT: slli a2, a1, 32 ; CHECK-NEXT: add a1, a1, a2 ; CHECK-NEXT: mul a0, a0, a1 ; CHECK-NEXT: srli a0, a0, 56 ; CHECK-NEXT: ret ; CHECK-NEXT: .LBB0_2: ; CHECK-NEXT: li a0, 15 ; CHECK-NEXT: ret %a = call i15 @llvm.ctlz.i15(i15 %x, i1 false) ret i15 %a }