| ; RUN: llc -mtriple=armv7-unknown-linux-gnueabi < %s | FileCheck %s |
| ; Check that all callee-saved registers are saved and restored in functions |
| ; that call __builtin_unwind_init(). This is its undocumented behavior in gcc, |
| ; and it is used in compiling libgcc_eh. |
| ; See also PR8541 |
| |
| declare void @llvm.eh.unwind.init() |
| |
| define void @calls_unwind_init() { |
| call void @llvm.eh.unwind.init() |
| ret void |
| } |
| |
| ; CHECK-LABEL: calls_unwind_init: |
| ; CHECK: push {r4, r5, r6, r7, r8, r9, r10, r11, lr} |
| ; CHECK: vpush {d8, d9, d10, d11, d12, d13, d14, d15} |
| ; CHECK: vpop {d8, d9, d10, d11, d12, d13, d14, d15} |
| ; CHECK: pop {r4, r5, r6, r7, r8, r9, r10, r11, pc} |
