forked from OSchip/llvm-project
38 lines
1.5 KiB
LLVM
38 lines
1.5 KiB
LLVM
; Test that global metadata is placed in a separate section on Mach-O platforms,
|
|
; allowing dead stripping to be performed, and that the appropriate runtime
|
|
; routines are invoked.
|
|
|
|
; RUN: opt < %s -asan -asan-module -S | FileCheck %s
|
|
|
|
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-apple-macosx10.11.0"
|
|
|
|
@global = global [1 x i32] zeroinitializer, align 4
|
|
|
|
!llvm.asan.globals = !{!0}
|
|
|
|
!0 = !{[1 x i32]* @global, !1, !"global", i1 false, i1 false}
|
|
!1 = !{!"test-globals.c", i32 1, i32 5}
|
|
|
|
|
|
; Test that there is the flag global variable:
|
|
; CHECK: @__asan_globals_registered = common global i64 0
|
|
|
|
; Find the metadata for @global:
|
|
; CHECK: [[METADATA:@[0-9]+]] = internal global {{.*}} @global {{.*}} section "__DATA,__asan_globals,regular", align 1
|
|
|
|
; Find the liveness binder for @global and its metadata:
|
|
; CHECK: @{{[0-9]+}} = internal global {{.*}} @global {{.*}} [[METADATA]] {{.*}} section "__DATA,__asan_liveness,regular,live_support"
|
|
|
|
; Test that __asan_register_image_globals is invoked from the constructor:
|
|
; CHECK-LABEL: define internal void @asan.module_ctor
|
|
; CHECK-NOT: ret
|
|
; CHECK: call void @__asan_register_image_globals(i64 ptrtoint (i64* @__asan_globals_registered to i64))
|
|
; CHECK: ret
|
|
|
|
; Test that __asan_unregister_image_globals is invoked from the destructor:
|
|
; CHECK-LABEL: define internal void @asan.module_dtor
|
|
; CHECK-NOT: ret
|
|
; CHECK: call void @__asan_unregister_image_globals(i64 ptrtoint (i64* @__asan_globals_registered to i64))
|
|
; CHECK: ret
|