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