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@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
5
6; Variable sized alloca
7;  safestack attribute
8; Requires protector.
9define void @foo(i32 %n) nounwind uwtable safestack {
10entry:
11  ; CHECK: %[[SP:.*]] = load i8*, i8** @__safestack_unsafe_stack_ptr
12  %n.addr = alloca i32, align 4
13  %a = alloca i32*, align 8
14  store i32 %n, i32* %n.addr, align 4
15  %0 = load i32, i32* %n.addr, align 4
16  %conv = sext i32 %0 to i64
17  %1 = alloca i8, i64 %conv
18  %2 = bitcast i8* %1 to i32*
19  store i32* %2, i32** %a, align 8
20  ; CHECK: store i8* %[[SP:.*]], i8** @__safestack_unsafe_stack_ptr
21  ret void
22}
23