| ; RUN: llc < %s -force-align-stack -stack-alignment=32 -march=x86-64 -mattr=+avx -mtriple=i686-apple-darwin10 | FileCheck %s |
| ; PR11468 |
| |
| define void @f(i64 %sz) uwtable { |
| entry: |
| %a = alloca i32, align 32 |
| store volatile i32 0, i32* %a, align 32 |
| ; force to push r14 on stack |
| call void asm sideeffect "nop", "~{r14},~{dirflag},~{fpsr},~{flags}"() nounwind, !srcloc !0 |
| ret void |
| |
| ; CHECK: _f |
| ; CHECK: pushq %rbp |
| ; CHECK: .cfi_offset %rbp, -16 |
| ; CHECK: movq %rsp, %rbp |
| ; CHECK: .cfi_def_cfa_register %rbp |
| |
| ; We first push register on stack, and then realign it, so that |
| ; .cfi_offset value is correct |
| ; CHECK: pushq %r14 |
| ; CHECK: andq $-32, %rsp |
| ; CHECK: .cfi_offset %r14, -24 |
| |
| ; Restore %rsp from %rbp and subtract the total size of saved regsiters. |
| ; CHECK: leaq -8(%rbp), %rsp |
| |
| ; Pop saved registers. |
| ; CHECK: popq %r14 |
| ; CHECK: popq %rbp |
| } |
| |
| !0 = metadata !{i32 125} |
| |
