derek.holloway
7502bf64a4
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41 lines
1.4 KiB
LLVM
41 lines
1.4 KiB
LLVM
;; Testcase to check that module with different branch-target-enforcement can
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;; be mixed.
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;;
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; RUN: llvm-as %s -o %t1.bc
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; RUN: llvm-as %p/Inputs/foo.ll -o %t2.bc
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; RUN: llvm-lto -exported-symbol main \
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; RUN: -exported-symbol foo_on \
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; RUN: -filetype=obj \
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; RUN: %t1.bc %t2.bc \
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; RUN: -o %t1.exe 2>&1 | FileCheck --allow-empty %s
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; RUN: llvm-objdump -d %t1.exe | FileCheck --check-prefix=CHECK-DUMP %s
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; RUN: llvm-readelf -n %t1.exe | FileCheck --check-prefix=CHECK-PROP %s
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64-unknown-linux-gnu"
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declare i32 @foo_on();
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define i32 @main() "sign-return-address"="non-leaf" "sign-return-address-key"="a_key" {
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entry:
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%add = call i32 @foo_on()
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ret i32 %add
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}
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!llvm.module.flags = !{!0, !1, !2, !3 }
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!0 = !{i32 8, !"branch-target-enforcement", i32 0}
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!1 = !{i32 8, !"sign-return-address", i32 1}
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!2 = !{i32 8, !"sign-return-address-all", i32 0}
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!3 = !{i32 8, !"sign-return-address-with-bkey", i32 0}
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; CHECK-NOT: linking module flags 'branch-target-enforcement': IDs have conflicting values in
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; CHECK-DUMP: <main>:
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; CHECK-DUMP: paciasp
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; CHECK-DUMP: str
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; CHECK-DUMP: bl 0x8 <main+0x8>
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; CHECK-DUMP: <foo_on>:
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; CHECK-DUMP: pacibsp
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;; `main` doesn't support BTI while `foo` does, so in the binary
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;; we should see only PAC which is supported by both.
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; CHECK-PROP: Properties: aarch64 feature: PAC |