llvm-project/llvm/test/Instrumentation/AddressSanitizer/module-flags.ll

25 lines
668 B
LLVM

; RUN: opt < %s -passes='asan-pipeline' -S | FileCheck %s
target triple = "x86_64-unknown-linux-gnu"
@g = dso_local global i32 0, align 4
define i32 @test_load() sanitize_address {
entry:
%tmp = load i32, i32* @g, align 4
ret i32 %tmp
}
!llvm.module.flags = !{!0, !1}
;; Due to -fasynchronous-unwind-tables.
!0 = !{i32 7, !"uwtable", i32 1}
;; Due to -fno-omit-frame-pointer.
!1 = !{i32 7, !"frame-pointer", i32 2}
;; 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 "frame-pointer"="all" }