1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=riscv64 -mattr=+m | FileCheck %s 3 4declare i15 @llvm.ctlz.i15(i15, i1) 5 6define i15 @foo(i15 %x) nounwind { 7; CHECK-LABEL: foo: 8; CHECK: # %bb.0: 9; CHECK-NEXT: slli a1, a0, 49 10; CHECK-NEXT: beqz a1, .LBB0_2 11; CHECK-NEXT: # %bb.1: # %cond.false 12; CHECK-NEXT: srli a1, a1, 50 13; CHECK-NEXT: lui a2, 1 14; CHECK-NEXT: lui a3, 209715 15; CHECK-NEXT: lui a4, 61681 16; CHECK-NEXT: or a0, a0, a1 17; CHECK-NEXT: addiw a1, a2, 1365 18; CHECK-NEXT: addiw a2, a3, 819 19; CHECK-NEXT: addiw a3, a4, -241 20; CHECK-NEXT: slli a4, a2, 32 21; CHECK-NEXT: add a2, a2, a4 22; CHECK-NEXT: slli a4, a3, 32 23; CHECK-NEXT: add a3, a3, a4 24; CHECK-NEXT: slli a4, a0, 49 25; CHECK-NEXT: srli a4, a4, 51 26; CHECK-NEXT: or a0, a0, a4 27; CHECK-NEXT: slli a4, a0, 49 28; CHECK-NEXT: srli a4, a4, 53 29; CHECK-NEXT: or a0, a0, a4 30; CHECK-NEXT: slli a4, a0, 49 31; CHECK-NEXT: srli a4, a4, 57 32; CHECK-NEXT: or a0, a0, a4 33; CHECK-NEXT: not a0, a0 34; CHECK-NEXT: srli a4, a0, 1 35; CHECK-NEXT: and a1, a4, a1 36; CHECK-NEXT: slli a0, a0, 49 37; CHECK-NEXT: srli a0, a0, 49 38; CHECK-NEXT: sub a0, a0, a1 39; CHECK-NEXT: and a1, a0, a2 40; CHECK-NEXT: srli a0, a0, 2 41; CHECK-NEXT: and a0, a0, a2 42; CHECK-NEXT: add a0, a1, a0 43; CHECK-NEXT: srli a1, a0, 4 44; CHECK-NEXT: add a0, a0, a1 45; CHECK-NEXT: lui a1, 4112 46; CHECK-NEXT: addiw a1, a1, 257 47; CHECK-NEXT: and a0, a0, a3 48; CHECK-NEXT: slli a2, a1, 32 49; CHECK-NEXT: add a1, a1, a2 50; CHECK-NEXT: mul a0, a0, a1 51; CHECK-NEXT: srli a0, a0, 56 52; CHECK-NEXT: ret 53; CHECK-NEXT: .LBB0_2: 54; CHECK-NEXT: li a0, 15 55; CHECK-NEXT: ret 56 %a = call i15 @llvm.ctlz.i15(i15 %x, i1 false) 57 ret i15 %a 58} 59