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; Addr-of a local, optimized into a GEP (e.g., &a - 12) 9; safestack attribute 10; Requires protector. 11define void @foo() nounwind uwtable safestack { 12entry: 13 ; CHECK: __safestack_unsafe_stack_ptr 14 %a = alloca i32, align 4 15 %add.ptr5 = getelementptr inbounds i32, ptr %a, i64 -12 16 %call = call i32 (ptr, ...) @printf(ptr @.str, ptr %add.ptr5) nounwind 17 ret void 18} 19 20declare i32 @printf(ptr, ...) 21