| Evgeniy Stepanov | f17120a | 2016-04-11 22:27:48 +0000 | [diff] [blame] | 1 | ; Test codegen pipeline for SafeStack + StackProtector combination. |
| 2 | ; RUN: llc -mtriple=i386-linux < %s -o - | FileCheck --check-prefix=LINUX-I386 %s |
| 3 | ; RUN: llc -mtriple=x86_64-linux < %s -o - | FileCheck --check-prefix=LINUX-X64 %s |
| 4 | |
| 5 | define void @_Z1fv() safestack sspreq { |
| 6 | entry: |
| 7 | %x = alloca i32, align 4 |
| 8 | %0 = bitcast i32* %x to i8* |
| 9 | call void @_Z7CapturePi(i32* nonnull %x) |
| 10 | ret void |
| 11 | } |
| 12 | |
| 13 | declare void @_Z7CapturePi(i32*) |
| 14 | |
| 15 | ; LINUX-X64-DAG: movq __safestack_unsafe_stack_ptr@GOTTPOFF(%rip), %[[A:.*]] |
| 16 | ; LINUX-X64-DAG: movq %fs:(%[[A]]), %[[B:.*]] |
| 17 | ; LINUX-X64-DAG: movq %fs:40, %[[COOKIE:.*]] |
| 18 | ; LINUX-X64-DAG: leaq -16(%[[B]]), %[[C:.*]] |
| 19 | ; LINUX-X64-DAG: movq %[[C]], %fs:(%[[A]]) |
| 20 | ; LINUX-X64-DAG: movq %[[COOKIE]], -8(%[[B]]) |
| 21 | |
| 22 | ; LINUX-I386-DAG: movl __safestack_unsafe_stack_ptr@INDNTPOFF, %[[A:.*]] |
| 23 | ; LINUX-I386-DAG: movl %gs:(%[[A]]), %[[B:.*]] |
| 24 | ; LINUX-I386-DAG: movl %gs:20, %[[COOKIE:.*]] |
| 25 | ; LINUX-I386-DAG: leal -16(%[[B]]), %[[C:.*]] |
| 26 | ; LINUX-I386-DAG: movl %[[C]], %gs:(%[[A]]) |
| 27 | ; LINUX-I386-DAG: movl %[[COOKIE]], -4(%[[B]]) |