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.pair = type { i32, i32 } 5 6 @.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1 7 8 ; Addr-of struct element. (GEP followed by store). 9 ; safestack attribute 10 ; Requires protector. 11 define void @foo() nounwind uwtable safestack { 12 entry: 13 ; CHECK: __safestack_unsafe_stack_ptr 14 %c = alloca %struct.pair, align 4 15 %b = alloca i32*, align 8 16 %y = getelementptr inbounds %struct.pair, %struct.pair* %c, i32 0, i32 1 17 store i32* %y, i32** %b, align 8 18 %0 = load i32*, i32** %b, align 8 19 %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32* %0) 20 ret void 21 } 22 23 declare i32 @printf(i8*, ...) 24
