1 ; Test the use of TEST UNDER MASK for 32-bit operations.
3 ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s
7 ; Check the lowest useful TMLL value.
8 define void @f1(i32 %a) {
15 %cmp = icmp eq i32 %and, 0
16 br i1 %cmp, label %exit, label %store
26 ; Check the high end of the TMLL range.
27 define void @f2(i32 %a) {
29 ; CHECK: tmll %r2, 65535
30 ; CHECK: jne {{\.L.*}}
33 %and = and i32 %a, 65535
34 %cmp = icmp ne i32 %and, 0
35 br i1 %cmp, label %exit, label %store
45 ; Check the lowest useful TMLH value, which is the next value up.
46 define void @f3(i32 %a) {
49 ; CHECK: jne {{\.L.*}}
52 %and = and i32 %a, 65536
53 %cmp = icmp ne i32 %and, 0
54 br i1 %cmp, label %exit, label %store
64 ; Check the next value up again, which cannot use TM.
65 define void @f4(i32 %a) {
67 ; CHECK-NOT: {{tm[lh].}}
70 %and = and i32 %a, 4294901759
71 %cmp = icmp eq i32 %and, 0
72 br i1 %cmp, label %exit, label %store
82 ; Check the high end of the TMLH range.
83 define void @f5(i32 %a) {
85 ; CHECK: tmlh %r2, 65535
89 %and = and i32 %a, 4294901760
90 %cmp = icmp eq i32 %and, 0
91 br i1 %cmp, label %exit, label %store