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; RUN: opt -passes=safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s 4; RUN: opt -passes=safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s 5 6@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1 7 8; Variable sized alloca 9; safestack attribute 10; Requires protector. 11define void @foo(i32 %n) nounwind uwtable safestack { 12entry: 13 ; CHECK: %[[SP:.*]] = load ptr, ptr @__safestack_unsafe_stack_ptr 14 %n.addr = alloca i32, align 4 15 %a = alloca ptr, align 8 16 store i32 %n, ptr %n.addr, align 4 17 %0 = load i32, ptr %n.addr, align 4 18 %conv = sext i32 %0 to i64 19 %1 = alloca i8, i64 %conv 20 store ptr %1, ptr %a, align 8 21 ; CHECK: store ptr %[[SP:.*]], ptr @__safestack_unsafe_stack_ptr 22 ret void 23} 24