1; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s
2; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s
3
4%struct.deep = type { %union.anon }
5%union.anon = type { %struct.anon }
6%struct.anon = type { %struct.anon.0 }
7%struct.anon.0 = type { %union.anon.1 }
8%union.anon.1 = type { [2 x i8] }
9
10@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
11
12; [2 x i8] nested in several layers of structs and unions
13;  safestack attribute
14; Requires no protector.
15; CHECK-LABEL: @foo(
16define signext i8 @foo() nounwind uwtable safestack {
17entry:
18  ; CHECK-NOT: __safestack_unsafe_stack_ptr
19  %x = alloca %struct.deep, align 1
20  %b = getelementptr inbounds %struct.deep, %struct.deep* %x, i32 0, i32 0
21  %c = bitcast %union.anon* %b to %struct.anon*
22  %d = getelementptr inbounds %struct.anon, %struct.anon* %c, i32 0, i32 0
23  %e = getelementptr inbounds %struct.anon.0, %struct.anon.0* %d, i32 0, i32 0
24  %array = bitcast %union.anon.1* %e to [2 x i8]*
25  %arrayidx = getelementptr inbounds [2 x i8], [2 x i8]* %array, i32 0, i64 0
26  %0 = load i8, i8* %arrayidx, align 1
27  ret i8 %0
28}
29