1*9880d681SAndroid Build Coastguard Worker; Test LOCR and LOCGR. 2*9880d681SAndroid Build Coastguard Worker; 3*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Worker; Test LOCR. 6*9880d681SAndroid Build Coastguard Workerdefine i32 @f1(i32 %a, i32 %b, i32 %limit) { 7*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f1: 8*9880d681SAndroid Build Coastguard Worker; CHECK: clfi %r4, 42 9*9880d681SAndroid Build Coastguard Worker; CHECK: locrhe %r2, %r3 10*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 11*9880d681SAndroid Build Coastguard Worker %cond = icmp ult i32 %limit, 42 12*9880d681SAndroid Build Coastguard Worker %res = select i1 %cond, i32 %a, i32 %b 13*9880d681SAndroid Build Coastguard Worker ret i32 %res 14*9880d681SAndroid Build Coastguard Worker} 15*9880d681SAndroid Build Coastguard Worker 16*9880d681SAndroid Build Coastguard Worker; Test LOCGR. 17*9880d681SAndroid Build Coastguard Workerdefine i64 @f2(i64 %a, i64 %b, i64 %limit) { 18*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f2: 19*9880d681SAndroid Build Coastguard Worker; CHECK: clgfi %r4, 42 20*9880d681SAndroid Build Coastguard Worker; CHECK: locgrhe %r2, %r3 21*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 22*9880d681SAndroid Build Coastguard Worker %cond = icmp ult i64 %limit, 42 23*9880d681SAndroid Build Coastguard Worker %res = select i1 %cond, i64 %a, i64 %b 24*9880d681SAndroid Build Coastguard Worker ret i64 %res 25*9880d681SAndroid Build Coastguard Worker} 26*9880d681SAndroid Build Coastguard Worker 27*9880d681SAndroid Build Coastguard Worker; Test LOCR in a case that could use COMPARE AND BRANCH. We prefer using 28*9880d681SAndroid Build Coastguard Worker; LOCR if possible. 29*9880d681SAndroid Build Coastguard Workerdefine i32 @f3(i32 %a, i32 %b, i32 %limit) { 30*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f3: 31*9880d681SAndroid Build Coastguard Worker; CHECK: chi %r4, 42 32*9880d681SAndroid Build Coastguard Worker; CHECK: locrlh %r2, %r3 33*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 34*9880d681SAndroid Build Coastguard Worker %cond = icmp eq i32 %limit, 42 35*9880d681SAndroid Build Coastguard Worker %res = select i1 %cond, i32 %a, i32 %b 36*9880d681SAndroid Build Coastguard Worker ret i32 %res 37*9880d681SAndroid Build Coastguard Worker} 38*9880d681SAndroid Build Coastguard Worker 39*9880d681SAndroid Build Coastguard Worker; ...and again for LOCGR. 40*9880d681SAndroid Build Coastguard Workerdefine i64 @f4(i64 %a, i64 %b, i64 %limit) { 41*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f4: 42*9880d681SAndroid Build Coastguard Worker; CHECK: cghi %r4, 42 43*9880d681SAndroid Build Coastguard Worker; CHECK: locgrlh %r2, %r3 44*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 45*9880d681SAndroid Build Coastguard Worker %cond = icmp eq i64 %limit, 42 46*9880d681SAndroid Build Coastguard Worker %res = select i1 %cond, i64 %a, i64 %b 47*9880d681SAndroid Build Coastguard Worker ret i64 %res 48*9880d681SAndroid Build Coastguard Worker} 49