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D88631 added initial support for: - -mstack-protector-guard= - -mstack-protector-guard-reg= - -mstack-protector-guard-offset= flags, and D100919 extended these to AArch64. Unfortunately, these flags aren't retained for LTO. Make them module attributes rather than TargetOptions. Link: https://github.com/ClangBuiltLinux/linux/issues/1378 Reviewed By: tejohnson Differential Revision: https://reviews.llvm.org/D102742
78 lines
2.3 KiB
LLVM
78 lines
2.3 KiB
LLVM
; RUN: split-file %s %t
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; RUN: not llvm-link %t/a.ll %t/b.ll 2>&1 | FileCheck --check-prefix=CHECK-KIND %s
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; RUN: not llvm-link %t/c.ll %t/d.ll 2>&1 | FileCheck --check-prefix=CHECK-REG %s
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; RUN: not llvm-link %t/e.ll %t/f.ll 2>&1 | FileCheck --check-prefix=CHECK-OFFSET %s
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; RUN: llvm-link %t/g.ll %t/h.ll
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; CHECK-KIND: error: linking module flags 'stack-protector-guard': IDs have conflicting values
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; CHECK-REG: error: linking module flags 'stack-protector-guard-reg': IDs have conflicting values
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; CHECK-OFFSET: error: linking module flags 'stack-protector-guard-offset': IDs have conflicting values
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;--- a.ll
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; Test that different values of stack-protector-guard fail.
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define void @foo() sspstrong {
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ret void
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}
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!llvm.module.flags = !{!0}
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!0 = !{i32 1, !"stack-protector-guard", !"sysreg"}
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;--- b.ll
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declare void @foo() sspstrong
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define void @bar() sspstrong {
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call void @foo()
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ret void
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}
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!llvm.module.flags = !{!0}
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!0 = !{i32 1, !"stack-protector-guard", !"global"}
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;--- c.ll
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; Test that different values of stack-protector-guard-reg fail.
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define void @foo() sspstrong {
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ret void
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}
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!llvm.module.flags = !{!0}
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!0 = !{i32 1, !"stack-protector-guard-reg", !"sp_el0"}
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;--- d.ll
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declare void @foo() sspstrong
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define void @bar() sspstrong {
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call void @foo()
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ret void
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}
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!llvm.module.flags = !{!0}
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!0 = !{i32 1, !"stack-protector-guard-reg", !"sp_el1"}
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;--- e.ll
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; Test that different values of stack-protector-guard-offset fail.
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define void @foo() sspstrong {
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ret void
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}
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!llvm.module.flags = !{!0}
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!0 = !{i32 1, !"stack-protector-guard-offset", i32 257}
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;--- f.ll
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declare void @foo() sspstrong
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define void @bar() sspstrong {
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call void @foo()
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ret void
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}
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!llvm.module.flags = !{!0}
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!0 = !{i32 1, !"stack-protector-guard-offset", i32 256}
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;--- g.ll
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; Test that the same values for the three module attributes succeed.
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define void @foo() sspstrong {
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ret void
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}
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!llvm.module.flags = !{!0, !1, !2}
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!0 = !{i32 1, !"stack-protector-guard", !"sysreg"}
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!1 = !{i32 1, !"stack-protector-guard-reg", !"sp_el0"}
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!2 = !{i32 1, !"stack-protector-guard-offset", i32 257}
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;--- h.ll
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declare void @foo() sspstrong
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define void @bar() sspstrong {
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call void @foo()
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ret void
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}
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!llvm.module.flags = !{!0, !1, !2}
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!0 = !{i32 1, !"stack-protector-guard", !"sysreg"}
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!1 = !{i32 1, !"stack-protector-guard-reg", !"sp_el0"}
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!2 = !{i32 1, !"stack-protector-guard-offset", i32 257}
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