xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/pr11468.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -stackrealign -stack-alignment=32 -march=x86-64 -mattr=+avx -mtriple=i686-apple-darwin10 | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; PR11468
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Workerdefine void @f(i64 %sz) uwtable {
5*9880d681SAndroid Build Coastguard Workerentry:
6*9880d681SAndroid Build Coastguard Worker  %a = alloca i32, align 32
7*9880d681SAndroid Build Coastguard Worker  store volatile i32 0, i32* %a, align 32
8*9880d681SAndroid Build Coastguard Worker  ; force to push r14 on stack
9*9880d681SAndroid Build Coastguard Worker  call void asm sideeffect "nop", "~{r14},~{dirflag},~{fpsr},~{flags}"() nounwind, !srcloc !0
10*9880d681SAndroid Build Coastguard Worker  ret void
11*9880d681SAndroid Build Coastguard Worker
12*9880d681SAndroid Build Coastguard Worker; CHECK: _f
13*9880d681SAndroid Build Coastguard Worker; CHECK: pushq %rbp
14*9880d681SAndroid Build Coastguard Worker; CHECK: .cfi_offset %rbp, -16
15*9880d681SAndroid Build Coastguard Worker; CHECK: movq %rsp, %rbp
16*9880d681SAndroid Build Coastguard Worker; CHECK: .cfi_def_cfa_register %rbp
17*9880d681SAndroid Build Coastguard Worker
18*9880d681SAndroid Build Coastguard Worker; We first push register on stack, and then realign it, so that
19*9880d681SAndroid Build Coastguard Worker; .cfi_offset value is correct
20*9880d681SAndroid Build Coastguard Worker; CHECK: pushq %r14
21*9880d681SAndroid Build Coastguard Worker; CHECK: andq $-32, %rsp
22*9880d681SAndroid Build Coastguard Worker; CHECK: .cfi_offset %r14, -24
23*9880d681SAndroid Build Coastguard Worker
24*9880d681SAndroid Build Coastguard Worker; Restore %rsp from %rbp and subtract the total size of saved regsiters.
25*9880d681SAndroid Build Coastguard Worker; CHECK: leaq -8(%rbp), %rsp
26*9880d681SAndroid Build Coastguard Worker
27*9880d681SAndroid Build Coastguard Worker; Pop saved registers.
28*9880d681SAndroid Build Coastguard Worker; CHECK: popq %r14
29*9880d681SAndroid Build Coastguard Worker; CHECK: popq %rbp
30*9880d681SAndroid Build Coastguard Worker}
31*9880d681SAndroid Build Coastguard Worker
32*9880d681SAndroid Build Coastguard Worker!0 = !{i32 125}
33*9880d681SAndroid Build Coastguard Worker
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