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