| Evgeniy Stepanov | d5a6fdb | 2018-01-23 21:27:07 +0000 | [diff] [blame^] | 1 | ; RUN: sed -e "s/ATTR//" %s | llc -mtriple=x86_64-linux -safestack-use-pointer-address | FileCheck --check-prefix=INLINE %s |
| 2 | ; RUN: sed -e "s/ATTR/noinline/" %s | llc -mtriple=x86_64-linux -safestack-use-pointer-address | FileCheck --check-prefix=CALL %s |
| 3 | |
| 4 | @p = external thread_local global i8*, align 8 |
| 5 | |
| 6 | define nonnull i8** @__safestack_pointer_address() local_unnamed_addr ATTR { |
| 7 | entry: |
| 8 | ret i8** @p |
| 9 | } |
| 10 | |
| 11 | define void @_Z1fv() safestack { |
| 12 | entry: |
| 13 | %x = alloca i32, align 4 |
| 14 | %0 = bitcast i32* %x to i8* |
| 15 | call void @_Z7CapturePi(i32* nonnull %x) |
| 16 | ret void |
| 17 | } |
| 18 | |
| 19 | declare void @_Z7CapturePi(i32*) |
| 20 | |
| 21 | ; INLINE: movq p@GOTTPOFF(%rip), %[[A:.*]] |
| 22 | ; INLINE: movq %fs:(%[[A]]), %[[B:.*]] |
| 23 | ; INLINE: leaq -16(%[[B]]), %[[C:.*]] |
| 24 | ; INLINE: movq %[[C]], %fs:(%[[A]]) |
| 25 | |
| 26 | ; CALL: callq __safestack_pointer_address |
| 27 | ; CALL: movq %rax, %[[A:.*]] |
| 28 | ; CALL: movq (%[[A]]), %[[B:.*]] |
| 29 | ; CALL: leaq -16(%[[B]]), %[[C:.*]] |
| 30 | ; CALL: movq %[[C]], (%[[A]]) |