derek.holloway
7502bf64a4
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60 lines
1.5 KiB
LLVM
60 lines
1.5 KiB
LLVM
;; This file contains the previous semantic of the branch-target-enforcement, sign-return-address.
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;; Used for test mixing a mixed link case and also verify the import too in llc.
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; RUN: llc -mattr=+pauth -mattr=+bti %s -o - | FileCheck %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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define i32 @old_bti() #0 {
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entry:
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ret i32 2
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}
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; CHECK-LABEL: old_bti:
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; CHECK: bti c
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; CHECK: mov
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; CHECK: ret
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define i32 @old_pac() #1 {
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entry:
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ret i32 2
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}
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; CHECK-LABEL: old_pac:
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; CHECK: paciasp
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; CHECK: mov
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; CHECK: retaa
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define i32 @old_none() #2 {
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entry:
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ret i32 3
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}
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; CHECK-LABEL: old_none:
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; CHECK-NOT: hint
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; CHECK-NOT: paci
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; CHECK-NOT: bti
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; CHECK: ret
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declare i32 @func(i32)
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define i32 @old_none_leaf() #3 {
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entry:
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%0 = call i32 @func()
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ret i32 %0
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}
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; CHECK-LABEL: old_none_leaf:
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; CHECK: paciasp
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; CHECK: bl func
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; CHECK: retaa
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attributes #0 = { noinline nounwind optnone "branch-target-enforcement"="true" }
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attributes #1 = { noinline nounwind optnone "branch-target-enforcement"="false" "sign-return-address"="all" "sign-return-address-key"="a_key" }
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attributes #2 = { noinline nounwind optnone "branch-target-enforcement"="false" "sign-return-address"="none" }
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attributes #3 = { noinline nounwind optnone "branch-target-enforcement"="false" "sign-return-address"="non-leaf" "sign-return-address-key"="a_key" }
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;; Intentionally no module flags
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