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c7dbf2fe82
Re-enable commit r323991 now that r325931 has been committed to make MachineOperand::isRenamable() check more conservative w.r.t. code changes and opt-in on a per-target basis. llvm-svn: 326208
31 lines
917 B
LLVM
31 lines
917 B
LLVM
; RUN: sed -e "s/ATTR//" %s | llc -mtriple=x86_64-linux -safestack-use-pointer-address | FileCheck --check-prefix=INLINE %s
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; RUN: sed -e "s/ATTR/noinline/" %s | llc -mtriple=x86_64-linux -safestack-use-pointer-address | FileCheck --check-prefix=CALL %s
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@p = external thread_local global i8*, align 8
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define nonnull i8** @__safestack_pointer_address() local_unnamed_addr ATTR {
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entry:
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ret i8** @p
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}
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define void @_Z1fv() safestack {
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entry:
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%x = alloca i32, align 4
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%0 = bitcast i32* %x to i8*
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call void @_Z7CapturePi(i32* nonnull %x)
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ret void
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}
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declare void @_Z7CapturePi(i32*)
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; INLINE: movq p@GOTTPOFF(%rip), %[[A:.*]]
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; INLINE: movq %fs:(%[[A]]), %[[B:.*]]
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; INLINE: leaq -16(%[[B]]), %[[C:.*]]
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; INLINE: movq %[[C]], %fs:(%[[A]])
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; CALL: callq __safestack_pointer_address
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; CALL: movq %rax, %[[A:.*]]
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; CALL: movq (%rax), %[[B:.*]]
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; CALL: leaq -16(%[[B]]), %[[C:.*]]
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; CALL: movq %[[C]], (%[[A]])
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