| ; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s |
| ; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s |
| |
| @.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1 |
| |
| ; Variable sized alloca |
| ; safestack attribute |
| ; Requires protector. |
| define void @foo(i32 %n) nounwind uwtable safestack { |
| entry: |
| ; CHECK: %[[SP:.*]] = load ptr, ptr @__safestack_unsafe_stack_ptr |
| %n.addr = alloca i32, align 4 |
| %a = alloca ptr, align 8 |
| store i32 %n, ptr %n.addr, align 4 |
| %0 = load i32, ptr %n.addr, align 4 |
| %conv = sext i32 %0 to i64 |
| %1 = alloca i8, i64 %conv |
| store ptr %1, ptr %a, align 8 |
| ; CHECK: store ptr %[[SP:.*]], ptr @__safestack_unsafe_stack_ptr |
| ret void |
| } |
