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 cast to a ptr of a different type 7 ; (e.g., int a; ... ; float *b = &a;) 8 ; safestack attribute 9 ; Requires protector. 10 define void @foo() nounwind uwtable safestack { 11 entry: 12 ; CHECK: __safestack_unsafe_stack_ptr 13 %a = alloca i32, align 4 14 %b = alloca float*, align 8 15 store i32 0, i32* %a, align 4 16 %0 = bitcast i32* %a to float* 17 store float* %0, float** %b, align 8 18 %1 = load float*, float** %b, align 8 19 %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), float* %1) 20 ret void 21 } 22 23 declare i32 @printf(i8*, ...) 24
