| Peter Collingbourne | 82437bf | 2015-06-15 21:07:11 +0000 | [diff] [blame] | 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 casted pointer |
| 7 | ; safestack attribute |
| 8 | ; Requires protector. |
| 9 | define void @foo() nounwind uwtable safestack { |
| 10 | entry: |
| 11 | ; CHECK: __safestack_unsafe_stack_ptr |
| 12 | %a = alloca i32*, align 8 |
| 13 | %b = alloca float**, align 8 |
| 14 | %call = call i32* @getp() |
| 15 | store i32* %call, i32** %a, align 8 |
| 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 void @funfloat2(float** %1) |
| 20 | ret void |
| 21 | } |
| 22 | |
| 23 | declare void @funfloat2(float**) |
| 24 | declare i32* @getp() |