1 ; That that we don't try to use z196 instructions on z10 for TMHH and TMHL. 2 ; 3 ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 -O0 | FileCheck %s 4 5 @g = global i32 0 6 7 ; Check the lowest useful TMHL value. 8 define void @f1(i64 %a) { 9 ; CHECK-LABEL: f1: 10 ; CHECK-NOT: risblg 11 ; CHECK-NOT: risbhg 12 ; CHECK: tmhl {{%r[0-5]}}, 1 13 ; CHECK-NOT: risblg 14 ; CHECK-NOT: risbhg 15 ; CHECK: br %r14 16 entry: 17 %and = and i64 %a, 4294967296 18 %cmp = icmp eq i64 %and, 0 19 br i1 %cmp, label %exit, label %store 20 21 store: 22 store i32 1, i32 *@g 23 br label %exit 24 25 exit: 26 ret void 27 } 28 29 ; Check the lowest useful TMHH value. 30 define void @f2(i64 %a) { 31 ; CHECK-LABEL: f2: 32 ; CHECK-NOT: risblg 33 ; CHECK-NOT: risbhg 34 ; CHECK: tmhh {{%r[0-5]}}, 1 35 ; CHECK-NOT: risblg 36 ; CHECK-NOT: risbhg 37 ; CHECK: br %r14 38 entry: 39 %and = and i64 %a, 281474976710656 40 %cmp = icmp ne i64 %and, 0 41 br i1 %cmp, label %exit, label %store 42 43 store: 44 store i32 1, i32 *@g 45 br label %exit 46 47 exit: 48 ret void 49 } 50
