1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=armv7-unknown-linux-gnueabi < %s | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; Check that all callee-saved registers are saved and restored in functions 3*9880d681SAndroid Build Coastguard Worker; that call __builtin_unwind_init(). This is its undocumented behavior in gcc, 4*9880d681SAndroid Build Coastguard Worker; and it is used in compiling libgcc_eh. 5*9880d681SAndroid Build Coastguard Worker; See also PR8541 6*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.eh.unwind.init() 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Workerdefine void @calls_unwind_init() { 10*9880d681SAndroid Build Coastguard Worker call void @llvm.eh.unwind.init() 11*9880d681SAndroid Build Coastguard Worker ret void 12*9880d681SAndroid Build Coastguard Worker} 13*9880d681SAndroid Build Coastguard Worker 14*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: calls_unwind_init: 15*9880d681SAndroid Build Coastguard Worker; CHECK: push {r4, r5, r6, r7, r8, r9, r10, r11, lr} 16*9880d681SAndroid Build Coastguard Worker; CHECK: vpush {d8, d9, d10, d11, d12, d13, d14, d15} 17*9880d681SAndroid Build Coastguard Worker; CHECK: vpop {d8, d9, d10, d11, d12, d13, d14, d15} 18*9880d681SAndroid Build Coastguard Worker; CHECK: pop {r4, r5, r6, r7, r8, r9, r10, r11, pc} 19