| ; RUN: llc -mtriple=i386-linux < %s -o - | FileCheck --check-prefix=LINUX-I386 %s |
| ; RUN: llc -mtriple=x86_64-linux < %s -o - | FileCheck --check-prefix=LINUX-X64 %s |
| ; RUN: llc -mtriple=i386-linux-android < %s -o - | FileCheck --check-prefix=ANDROID-I386 %s |
| ; RUN: llc -mtriple=x86_64-linux-android < %s -o - | FileCheck --check-prefix=ANDROID-X64 %s |
| ; RUN: llc -mtriple=x86_64-fuchsia < %s -o - | FileCheck --check-prefix=FUCHSIA-X64 %s |
| |
| ; RUN: llc -mtriple=i386-linux -safestack-use-pointer-address < %s -o - | FileCheck --check-prefix=LINUX-I386-PA %s |
| |
| define void @_Z1fv() safestack { |
| entry: |
| %x = alloca i32, align 4 |
| %0 = bitcast i32* %x to i8* |
| call void @_Z7CapturePi(i32* nonnull %x) |
| ret void |
| } |
| |
| declare void @_Z7CapturePi(i32*) |
| |
| ; LINUX-X64: movq __safestack_unsafe_stack_ptr@GOTTPOFF(%rip), %[[A:.*]] |
| ; LINUX-X64: movq %fs:(%[[A]]), %[[B:.*]] |
| ; LINUX-X64: leaq -16(%[[B]]), %[[C:.*]] |
| ; LINUX-X64: movq %[[C]], %fs:(%[[A]]) |
| |
| ; LINUX-I386: movl __safestack_unsafe_stack_ptr@INDNTPOFF, %[[A:.*]] |
| ; LINUX-I386: movl %gs:(%[[A]]), %[[B:.*]] |
| ; LINUX-I386: leal -16(%[[B]]), %[[C:.*]] |
| ; LINUX-I386: movl %[[C]], %gs:(%[[A]]) |
| |
| ; ANDROID-I386: movl %gs:36, %[[A:.*]] |
| ; ANDROID-I386: leal -16(%[[A]]), %[[B:.*]] |
| ; ANDROID-I386: movl %[[B]], %gs:36 |
| |
| ; ANDROID-X64: movq %fs:72, %[[A:.*]] |
| ; ANDROID-X64: leaq -16(%[[A]]), %[[B:.*]] |
| ; ANDROID-X64: movq %[[B]], %fs:72 |
| |
| ; FUCHSIA-X64: movq %fs:24, %[[A:.*]] |
| ; FUCHSIA-X64: leaq -16(%[[A]]), %[[B:.*]] |
| ; FUCHSIA-X64: movq %[[B]], %fs:24 |
| |
| ; LINUX-I386-PA: calll __safestack_pointer_address |
| ; LINUX-I386-PA: movl %eax, %[[A:.*]] |
| ; LINUX-I386-PA: movl (%eax), %[[B:.*]] |
| ; LINUX-I386-PA: leal -16(%[[B]]), %[[C:.*]] |
| ; LINUX-I386-PA: movl %[[C]], (%[[A]]) |
