b430782be3
This patch is part of a series that adds support for the PACBTI-M extension of the Armv8.1-M architecture, as detailed here: https://community.arm.com/arm-community-blogs/b/architectures-and-processors-blog/posts/armv8-1-m-pointer-authentication-and-branch-target-identification-extension The PACBTI-M specification can be found in the Armv8-M Architecture Reference Manual: https://developer.arm.com/documentation/ddi0553/latest The following people contributed to this patch: - Victor Campos - Ties Stuij Reviewed By: ostannard Differential Revision: https://reviews.llvm.org/D112425
22 lines
865 B
LLVM
22 lines
865 B
LLVM
; RUN: llc -mtriple thumbv8.1m.main-arm-none-eabi %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-USE
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; RUN: llc -mtriple thumbv8.1m.main-arm-none-eabi -mattr=+pacbti %s -o - | FileCheck %s --check-prefixes=CHECK-ARCHEXT,CHECK-USE
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; CHECK-DAG: .eabi_attribute 50, 1 @ Tag_PAC_extension
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; CHECK-ARCHEXT-DAG: .eabi_attribute 50, 2 @ Tag_PAC_extension
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; CHECK-DAG: .eabi_attribute 52, 1 @ Tag_BTI_extension
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; CHECK-ARCHEXT-DAG: .eabi_attribute 52, 2 @ Tag_BTI_extension
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; CHECK-USE-DAG: .eabi_attribute 76, 1 @ Tag_PACRET_use
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; CHECK-USE-DAG: .eabi_attribute 74, 1 @ Tag_BTI_use
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define i32 @foo(i32 %a) {
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entry:
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%add = add nsw i32 %a, 1
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ret i32 %add
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}
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!llvm.module.flags = !{!0, !1, !2}
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!0 = !{i32 1, !"branch-target-enforcement", i32 1}
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!1 = !{i32 1, !"sign-return-address", i32 1}
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!2 = !{i32 1, !"sign-return-address-all", i32 0}
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