| ; 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 |
| ; RUN: opt -passes=safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s |
| ; RUN: opt -passes=safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s |
| |
| %struct.pair = type { i32, i32 } |
| |
| @.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1 |
| |
| ; Addr-of struct element. (GEP followed by store). |
| ; safestack attribute |
| ; Requires protector. |
| define void @foo() nounwind uwtable safestack { |
| entry: |
| ; CHECK: __safestack_unsafe_stack_ptr |
| %c = alloca %struct.pair, align 4 |
| %b = alloca ptr, align 8 |
| %y = getelementptr inbounds %struct.pair, ptr %c, i32 0, i32 1 |
| store ptr %y, ptr %b, align 8 |
| %0 = load ptr, ptr %b, align 8 |
| %call = call i32 (ptr, ...) @printf(ptr @.str, ptr %0) |
| ret void |
| } |
| |
| declare i32 @printf(ptr, ...) |
