1 ; RUN: llc -o - %s | FileCheck %s
2 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
3 target triple = "x86_64-apple-macosx"
5 ; selectiondag stack protector uses a GuardReg which the fast-isel stack
6 ; protection code did not but the state was not reset properly.
7 ; The optnone attribute on @bar forces fast-isel.
10 ; CHECK: movq ___stack_chk_guard@GOTPCREL(%rip), %rax
11 define void @foo() #0 {
13 %_tags = alloca [3 x i32], align 4
18 ; CHECK: movq ___stack_chk_guard@GOTPCREL(%rip), %{{r.x}}
19 ; CHECK-DAG: movq ___stack_chk_guard@GOTPCREL(%rip), %[[GUARD:r.x]]
20 ; CHECK-DAG: movq {{[0-9]+}}(%rsp), %[[CANARY:r.x]]
21 ; CHECK: subq %[[CANARY]], %[[GUARD]]
22 define void @bar() #1 {
24 %vt = alloca [2 x double], align 16
25 br i1 undef, label %cleanup.4091, label %for.cond.3850
31 br i1 undef, label %land.rhs.3853, label %land.end.3857
34 br label %land.end.3857
37 %0 = phi i1 [ false, %for.cond.3850 ], [ false, %land.rhs.3853 ]
38 br i1 %0, label %unreachable, label %unreachable
44 attributes #0 = { ssp }
45 attributes #1 = { noinline optnone ssp }