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:    srli a2, a1, 49
11; CHECK-NEXT:    beqz a2, .LBB0_2
12; CHECK-NEXT:  # %bb.1: # %cond.false
13; CHECK-NEXT:    srli a1, a1, 50
14; CHECK-NEXT:    or a0, a0, a1
15; CHECK-NEXT:    slli a1, a0, 49
16; CHECK-NEXT:    srli a1, a1, 51
17; CHECK-NEXT:    or a0, a0, a1
18; CHECK-NEXT:    slli a1, a0, 49
19; CHECK-NEXT:    srli a1, a1, 53
20; CHECK-NEXT:    or a0, a0, a1
21; CHECK-NEXT:    slli a1, a0, 49
22; CHECK-NEXT:    srli a1, a1, 57
23; CHECK-NEXT:    or a0, a0, a1
24; CHECK-NEXT:    not a0, a0
25; CHECK-NEXT:    slli a0, a0, 49
26; CHECK-NEXT:    srli a0, a0, 49
27; CHECK-NEXT:    lui a1, %hi(.LCPI0_0)
28; CHECK-NEXT:    ld a1, %lo(.LCPI0_0)(a1)
29; CHECK-NEXT:    lui a2, %hi(.LCPI0_1)
30; CHECK-NEXT:    ld a2, %lo(.LCPI0_1)(a2)
31; CHECK-NEXT:    srli a3, a0, 1
32; CHECK-NEXT:    and a1, a3, a1
33; CHECK-NEXT:    sub a0, a0, a1
34; CHECK-NEXT:    and a1, a0, a2
35; CHECK-NEXT:    srli a0, a0, 2
36; CHECK-NEXT:    and a0, a0, a2
37; CHECK-NEXT:    add a0, a1, a0
38; CHECK-NEXT:    lui a1, %hi(.LCPI0_2)
39; CHECK-NEXT:    ld a1, %lo(.LCPI0_2)(a1)
40; CHECK-NEXT:    lui a2, %hi(.LCPI0_3)
41; CHECK-NEXT:    ld a2, %lo(.LCPI0_3)(a2)
42; CHECK-NEXT:    srli a3, a0, 4
43; CHECK-NEXT:    add a0, a0, a3
44; CHECK-NEXT:    and a0, a0, a1
45; CHECK-NEXT:    mul a0, a0, a2
46; CHECK-NEXT:    srli a0, a0, 56
47; CHECK-NEXT:    ret
48; CHECK-NEXT:  .LBB0_2:
49; CHECK-NEXT:    li a0, 15
50; CHECK-NEXT:    ret
51  %a = call i15 @llvm.ctlz.i15(i15 %x, i1 false)
52  ret i15 %a
53}
54