1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=arm-apple-darwin | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=arm-linux-gnueabi | FileCheck %s 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Workerdefine i32 @get_stack() nounwind { 5*9880d681SAndroid Build Coastguard Workerentry: 6*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: get_stack: 7*9880d681SAndroid Build Coastguard Worker; CHECK: mov r0, sp 8*9880d681SAndroid Build Coastguard Worker %sp = call i32 @llvm.read_register.i32(metadata !0) 9*9880d681SAndroid Build Coastguard Worker ret i32 %sp 10*9880d681SAndroid Build Coastguard Worker} 11*9880d681SAndroid Build Coastguard Worker 12*9880d681SAndroid Build Coastguard Workerdefine void @set_stack(i32 %val) nounwind { 13*9880d681SAndroid Build Coastguard Workerentry: 14*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: set_stack: 15*9880d681SAndroid Build Coastguard Worker; CHECK: mov sp, r0 16*9880d681SAndroid Build Coastguard Worker call void @llvm.write_register.i32(metadata !0, i32 %val) 17*9880d681SAndroid Build Coastguard Worker ret void 18*9880d681SAndroid Build Coastguard Worker} 19*9880d681SAndroid Build Coastguard Worker 20*9880d681SAndroid Build Coastguard Workerdeclare i32 @llvm.read_register.i32(metadata) nounwind 21*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.write_register.i32(metadata, i32) nounwind 22*9880d681SAndroid Build Coastguard Worker 23*9880d681SAndroid Build Coastguard Worker; register unsigned long current_stack_pointer asm("sp"); 24*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: .asciz "sp" 25*9880d681SAndroid Build Coastguard Worker!0 = !{!"sp\00"} 26