| 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 | %struct.vec = type { <4 x i32> } |
| 5 | |
| 6 | @.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1 |
| 7 | |
| 8 | ; Addr-of a vector nested in a struct |
| 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.vec, align 16 |
| 15 | %y = getelementptr inbounds %struct.vec, %struct.vec* %c, i64 0, i32 0 |
| 16 | %add.ptr = getelementptr inbounds <4 x i32>, <4 x i32>* %y, i64 -12 |
| 17 | %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), <4 x i32>* %add.ptr) nounwind |
| 18 | ret void |
| 19 | } |
| 20 | |
| 21 | declare i32 @printf(i8*, ...) |