1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=aarch64-none-eabi -mcpu=cortex-a57 2>&1 | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Workerdefine i64 @read_encoded_register() nounwind { 4*9880d681SAndroid Build Coastguard Workerentry: 5*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: read_encoded_register: 6*9880d681SAndroid Build Coastguard Worker; CHECK: mrs x0, S1_2_C3_C4_5 7*9880d681SAndroid Build Coastguard Worker %reg = call i64 @llvm.read_register.i64(metadata !0) 8*9880d681SAndroid Build Coastguard Worker ret i64 %reg 9*9880d681SAndroid Build Coastguard Worker} 10*9880d681SAndroid Build Coastguard Worker 11*9880d681SAndroid Build Coastguard Workerdefine i64 @read_daif() nounwind { 12*9880d681SAndroid Build Coastguard Workerentry: 13*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: read_daif: 14*9880d681SAndroid Build Coastguard Worker; CHECK: mrs x0, DAIF 15*9880d681SAndroid Build Coastguard Worker %reg = call i64 @llvm.read_register.i64(metadata !1) 16*9880d681SAndroid Build Coastguard Worker ret i64 %reg 17*9880d681SAndroid Build Coastguard Worker} 18*9880d681SAndroid Build Coastguard Worker 19*9880d681SAndroid Build Coastguard Workerdefine void @write_encoded_register(i64 %x) nounwind { 20*9880d681SAndroid Build Coastguard Workerentry: 21*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: write_encoded_register: 22*9880d681SAndroid Build Coastguard Worker; CHECK: msr S1_2_C3_C4_5, x0 23*9880d681SAndroid Build Coastguard Worker call void @llvm.write_register.i64(metadata !0, i64 %x) 24*9880d681SAndroid Build Coastguard Worker ret void 25*9880d681SAndroid Build Coastguard Worker} 26*9880d681SAndroid Build Coastguard Worker 27*9880d681SAndroid Build Coastguard Workerdefine void @write_daif(i64 %x) nounwind { 28*9880d681SAndroid Build Coastguard Workerentry: 29*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: write_daif: 30*9880d681SAndroid Build Coastguard Worker; CHECK: msr DAIF, x0 31*9880d681SAndroid Build Coastguard Worker call void @llvm.write_register.i64(metadata !1, i64 %x) 32*9880d681SAndroid Build Coastguard Worker ret void 33*9880d681SAndroid Build Coastguard Worker} 34*9880d681SAndroid Build Coastguard Worker 35*9880d681SAndroid Build Coastguard Workerdefine void @write_daifset() nounwind { 36*9880d681SAndroid Build Coastguard Workerentry: 37*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: write_daifset: 38*9880d681SAndroid Build Coastguard Worker; CHECK: msr DAIFSet, #2 39*9880d681SAndroid Build Coastguard Worker call void @llvm.write_register.i64(metadata !2, i64 2) 40*9880d681SAndroid Build Coastguard Worker ret void 41*9880d681SAndroid Build Coastguard Worker} 42*9880d681SAndroid Build Coastguard Worker 43*9880d681SAndroid Build Coastguard Workerdeclare i64 @llvm.read_register.i64(metadata) nounwind 44*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.write_register.i64(metadata, i64) nounwind 45*9880d681SAndroid Build Coastguard Worker 46*9880d681SAndroid Build Coastguard Worker!0 = !{!"1:2:3:4:5"} 47*9880d681SAndroid Build Coastguard Worker!1 = !{!"daif"} 48*9880d681SAndroid Build Coastguard Worker!2 = !{!"daifset"} 49