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      1 ; Test vector count trailing zeros
      2 ;
      3 ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
      4 
      5 declare <16 x i8> @llvm.cttz.v16i8(<16 x i8> %src, i1 %is_zero_undef)
      6 declare <8 x i16> @llvm.cttz.v8i16(<8 x i16> %src, i1 %is_zero_undef)
      7 declare <4 x i32> @llvm.cttz.v4i32(<4 x i32> %src, i1 %is_zero_undef)
      8 declare <2 x i64> @llvm.cttz.v2i64(<2 x i64> %src, i1 %is_zero_undef)
      9 
     10 define <16 x i8> @f1(<16 x i8> %a) {
     11 ; CHECK-LABEL: f1:
     12 ; CHECK: vctzb %v24, %v24
     13 ; CHECK: br    %r14
     14 
     15   %res = call <16 x i8> @llvm.cttz.v16i8(<16 x i8> %a, i1 false)
     16   ret <16 x i8> %res
     17 }
     18 
     19 define <16 x i8> @f2(<16 x i8> %a) {
     20 ; CHECK-LABEL: f2:
     21 ; CHECK: vctzb %v24, %v24
     22 ; CHECK: br    %r14
     23 
     24   %res = call <16 x i8> @llvm.cttz.v16i8(<16 x i8> %a, i1 true)
     25   ret <16 x i8> %res
     26 }
     27 
     28 define <8 x i16> @f3(<8 x i16> %a) {
     29 ; CHECK-LABEL: f3:
     30 ; CHECK: vctzh %v24, %v24
     31 ; CHECK: br    %r14
     32 
     33   %res = call <8 x i16> @llvm.cttz.v8i16(<8 x i16> %a, i1 false)
     34   ret <8 x i16> %res
     35 }
     36 
     37 define <8 x i16> @f4(<8 x i16> %a) {
     38 ; CHECK-LABEL: f4:
     39 ; CHECK: vctzh %v24, %v24
     40 ; CHECK: br    %r14
     41 
     42   %res = call <8 x i16> @llvm.cttz.v8i16(<8 x i16> %a, i1 true)
     43   ret <8 x i16> %res
     44 }
     45 
     46 define <4 x i32> @f5(<4 x i32> %a) {
     47 ; CHECK-LABEL: f5:
     48 ; CHECK: vctzf %v24, %v24
     49 ; CHECK: br    %r14
     50 
     51   %res = call <4 x i32> @llvm.cttz.v4i32(<4 x i32> %a, i1 false)
     52   ret <4 x i32> %res
     53 }
     54 
     55 define <4 x i32> @f6(<4 x i32> %a) {
     56 ; CHECK-LABEL: f6:
     57 ; CHECK: vctzf %v24, %v24
     58 ; CHECK: br    %r14
     59 
     60   %res = call <4 x i32> @llvm.cttz.v4i32(<4 x i32> %a, i1 true)
     61   ret <4 x i32> %res
     62 }
     63 
     64 define <2 x i64> @f7(<2 x i64> %a) {
     65 ; CHECK-LABEL: f7:
     66 ; CHECK: vctzg %v24, %v24
     67 ; CHECK: br    %r14
     68 
     69   %res = call <2 x i64> @llvm.cttz.v2i64(<2 x i64> %a, i1 false)
     70   ret <2 x i64> %res
     71 }
     72 
     73 define <2 x i64> @f8(<2 x i64> %a) {
     74 ; CHECK-LABEL: f8:
     75 ; CHECK: vctzg %v24, %v24
     76 ; CHECK: br    %r14
     77 
     78   %res = call <2 x i64> @llvm.cttz.v2i64(<2 x i64> %a, i1 true)
     79   ret <2 x i64> %res
     80 }
     81 
     82