xref: /llvm-project/llvm/test/CodeGen/SystemZ/scalar-cttz-02.ll (revision a65ccc1b9fe740c9f65d9cf2b627de50278aad56)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
2; Test 128-bit arithmetic in vector registers on z13
3;
4; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
5
6declare i128 @llvm.cttz.i128(i128, i1)
7
8define i128 @f1(i128 %a) {
9; CHECK-LABEL: f1:
10; CHECK:       # %bb.0:
11; CHECK-NEXT:    vl %v0, 0(%r3), 3
12; CHECK-NEXT:    vgbm %v1, 65535
13; CHECK-NEXT:    vaq %v1, %v0, %v1
14; CHECK-NEXT:    vnc %v0, %v1, %v0
15; CHECK-NEXT:    vpopct %v0, %v0, 0
16; CHECK-NEXT:    vgbm %v1, 0
17; CHECK-NEXT:    vsumb %v0, %v0, %v1
18; CHECK-NEXT:    vsumgf %v0, %v0, %v1
19; CHECK-NEXT:    vsumqg %v0, %v0, %v1
20; CHECK-NEXT:    vst %v0, 0(%r2), 3
21; CHECK-NEXT:    br %r14
22  %res = tail call i128 @llvm.cttz.i128(i128 %a, i1 false)
23  ret i128 %res
24}
25
26define i128 @f2(i128 %a) {
27; CHECK-LABEL: f2:
28; CHECK:       # %bb.0:
29; CHECK-NEXT:    vl %v0, 0(%r3), 3
30; CHECK-NEXT:    vgbm %v1, 65535
31; CHECK-NEXT:    vaq %v1, %v0, %v1
32; CHECK-NEXT:    vnc %v0, %v1, %v0
33; CHECK-NEXT:    vpopct %v0, %v0, 0
34; CHECK-NEXT:    vgbm %v1, 0
35; CHECK-NEXT:    vsumb %v0, %v0, %v1
36; CHECK-NEXT:    vsumgf %v0, %v0, %v1
37; CHECK-NEXT:    vsumqg %v0, %v0, %v1
38; CHECK-NEXT:    vst %v0, 0(%r2), 3
39; CHECK-NEXT:    br %r14
40  %res = tail call i128 @llvm.cttz.i128(i128 %a, i1 true)
41  ret i128 %res
42}
43