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.nest = type { %struct.pair, %struct.pair }
5%struct.pair = type { i32, i32 }
6
7@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
8
9; Nested structure, no arrays, no address-of expressions.
10; Verify that the resulting gep-of-gep does not incorrectly trigger
11; a safe stack protector.
12; safestack attribute
13; Requires no protector.
14; CHECK-LABEL: @foo(
15define void @foo() nounwind uwtable safestack {
16entry:
17  ; CHECK-NOT: __safestack_unsafe_stack_ptr
18  %c = alloca %struct.nest, align 4
19  %b = getelementptr inbounds %struct.nest, %struct.nest* %c, i32 0, i32 1
20  %_a = getelementptr inbounds %struct.pair, %struct.pair* %b, i32 0, i32 0
21  %0 = load i32, i32* %_a, align 4
22  %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32 %0)
23  ret void
24}
25
26declare i32 @printf(i8*, ...)
27