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%struct.vec = type { <4 x i32> } 5 6@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1 7 8; Addr-of a vector nested in a struct 9; safestack attribute 10; Requires protector. 11define void @foo() nounwind uwtable safestack { 12entry: 13 ; CHECK: __safestack_unsafe_stack_ptr 14 %c = alloca %struct.vec, align 16 15 %y = getelementptr inbounds %struct.vec, %struct.vec* %c, i64 0, i32 0 16 %add.ptr = getelementptr inbounds <4 x i32>, <4 x i32>* %y, i64 -12 17 %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), <4 x i32>* %add.ptr) nounwind 18 ret void 19} 20 21declare i32 @printf(i8*, ...) 22