| ; That that we don't try to use z196 instructions on z10 for TMHH and TMHL. | |
| ; | |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 -O0 | FileCheck %s | |
| @g = global i32 0 | |
| ; Check the lowest useful TMHL value. | |
| define void @f1(i64 %a) { | |
| ; CHECK-LABEL: f1: | |
| ; CHECK-NOT: risblg | |
| ; CHECK-NOT: risbhg | |
| ; CHECK: tmhl {{%r[0-5]}}, 1 | |
| ; CHECK-NOT: risblg | |
| ; CHECK-NOT: risbhg | |
| ; CHECK: br %r14 | |
| entry: | |
| %and = and i64 %a, 4294967296 | |
| %cmp = icmp eq i64 %and, 0 | |
| br i1 %cmp, label %exit, label %store | |
| store: | |
| store i32 1, i32 *@g | |
| br label %exit | |
| exit: | |
| ret void | |
| } | |
| ; Check the lowest useful TMHH value. | |
| define void @f2(i64 %a) { | |
| ; CHECK-LABEL: f2: | |
| ; CHECK-NOT: risblg | |
| ; CHECK-NOT: risbhg | |
| ; CHECK: tmhh {{%r[0-5]}}, 1 | |
| ; CHECK-NOT: risblg | |
| ; CHECK-NOT: risbhg | |
| ; CHECK: br %r14 | |
| entry: | |
| %and = and i64 %a, 281474976710656 | |
| %cmp = icmp ne i64 %and, 0 | |
| br i1 %cmp, label %exit, label %store | |
| store: | |
| store i32 1, i32 *@g | |
| br label %exit | |
| exit: | |
| ret void | |
| } |