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| ; RUN: sed -e "s/ATTR//" %s | llc -mtriple=x86_64-linux -safestack-use-pointer-address | FileCheck --check-prefix=INLINE %s
; RUN: sed -e "s/ATTR/noinline/" %s | llc -mtriple=x86_64-linux -safestack-use-pointer-address | FileCheck --check-prefix=CALL %s
@p = external thread_local global i8*, align 8
define nonnull i8** @__safestack_pointer_address() local_unnamed_addr ATTR {
entry:
ret i8** @p
}
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*)
; INLINE: movq p@GOTTPOFF(%rip), %[[A:.*]]
; INLINE: movq %fs:(%[[A]]), %[[B:.*]]
; INLINE: leaq -16(%[[B]]), %[[C:.*]]
; INLINE: movq %[[C]], %fs:(%[[A]])
; CALL: callq __safestack_pointer_address
; CALL: movq %rax, %[[A:.*]]
; CALL: movq (%rax), %[[B:.*]]
; CALL: leaq -16(%[[B]]), %[[C:.*]]
; CALL: movq %[[C]], (%[[A]])
|