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Add attributes to synthetic functions.
Module flags represent the original intention.
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31 changes: 31 additions & 0 deletions
31
llvm/test/Instrumentation/AddressSanitizer/module-flags-aarch64.ll
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; RUN: opt < %s -passes=asan -S | FileCheck %s | ||
; REQUIRES: aarch64-registered-target | ||
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target triple = "aarch64-unknown-linux-gnu" | ||
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@g = dso_local global i32 0, align 4 | ||
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define i32 @test_load() sanitize_address { | ||
entry: | ||
%tmp = load i32, ptr @g, align 4 | ||
ret i32 %tmp | ||
} | ||
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!llvm.module.flags = !{!0, !1} | ||
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;; Due to -fasynchronous-unwind-tables. | ||
!0 = !{i32 7, !"uwtable", i32 2} | ||
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;; Due to -fno-omit-frame-pointer. | ||
!1 = !{i32 7, !"frame-pointer", i32 2} | ||
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!llvm.module.flags = !{!2, !3, !4} | ||
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!2 = !{i32 8, !"branch-target-enforcement", i32 1} | ||
!3 = !{i32 8, !"sign-return-address", i32 1} | ||
!4 = !{i32 8, !"sign-return-address-all", i32 0} | ||
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;; Set the uwtable attribute on ctor/dtor. | ||
; CHECK: define internal void @asan.module_ctor() #[[#ATTR:]] | ||
; CHECK: define internal void @asan.module_dtor() #[[#ATTR]] | ||
; CHECK: attributes #[[#ATTR]] = { nounwind uwtable "branch-target-enforcement" "frame-pointer"="all" "sign-return-address"="non-leaf" "sign-return-address-key"="a_key" } |
31 changes: 31 additions & 0 deletions
31
llvm/test/Instrumentation/MemorySanitizer/AArch64/module-flags-aarch64.ll
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,31 @@ | ||
; RUN: opt < %s -passes=asan -S | FileCheck %s | ||
; REQUIRES: aarch64-registered-target | ||
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target triple = "aarch64-unknown-linux-gnu" | ||
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@g = dso_local global i32 0, align 4 | ||
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define i32 @test_load() sanitize_memory { | ||
entry: | ||
%tmp = load i32, ptr @g, align 4 | ||
ret i32 %tmp | ||
} | ||
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!llvm.module.flags = !{!0, !1} | ||
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;; Due to -fasynchronous-unwind-tables. | ||
!0 = !{i32 7, !"uwtable", i32 2} | ||
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;; Due to -fno-omit-frame-pointer. | ||
!1 = !{i32 7, !"frame-pointer", i32 2} | ||
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!llvm.module.flags = !{!2, !3, !4} | ||
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!2 = !{i32 8, !"branch-target-enforcement", i32 1} | ||
!3 = !{i32 8, !"sign-return-address", i32 1} | ||
!4 = !{i32 8, !"sign-return-address-all", i32 0} | ||
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;; Set the uwtable attribute on ctor/dtor. | ||
; CHECK: define internal void @asan.module_ctor() #[[#ATTR:]] | ||
; CHECK: define internal void @asan.module_dtor() #[[#ATTR]] | ||
; CHECK: attributes #[[#ATTR]] = { nounwind uwtable "branch-target-enforcement" "frame-pointer"="all" "sign-return-address"="non-leaf" "sign-return-address-key"="a_key" } |