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; Addr-of a local, optimized into a GEP (e.g., &a - 12) 7; safestack attribute 8; Requires protector. 9define void @foo() nounwind uwtable safestack { 10entry: 11 ; CHECK: __safestack_unsafe_stack_ptr 12 %a = alloca i32, align 4 13 %add.ptr5 = getelementptr inbounds i32, i32* %a, i64 -12 14 %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32* %add.ptr5) nounwind 15 ret void 16} 17 18declare i32 @printf(i8*, ...) 19