File: unwind-init.ll

package info (click to toggle)
llvm-toolchain-3.9 1%3A3.9.1-8
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 441,060 kB
  • ctags: 428,777
  • sloc: cpp: 2,546,577; ansic: 538,318; asm: 119,677; objc: 103,316; python: 102,148; sh: 27,847; pascal: 5,626; ml: 5,510; perl: 5,293; lisp: 4,801; makefile: 2,177; xml: 686; cs: 362; php: 212; csh: 117
file content (18 lines) | stat: -rw-r--r-- 662 bytes parent folder | download | duplicates (45)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
; 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}