diff options
Diffstat (limited to 'test/Instrumentation/AddressSanitizer/global_metadata.ll')
| -rw-r--r-- | test/Instrumentation/AddressSanitizer/global_metadata.ll | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/test/Instrumentation/AddressSanitizer/global_metadata.ll b/test/Instrumentation/AddressSanitizer/global_metadata.ll index c189603381a3..7d485a2ebce4 100644 --- a/test/Instrumentation/AddressSanitizer/global_metadata.ll +++ b/test/Instrumentation/AddressSanitizer/global_metadata.ll @@ -1,4 +1,4 @@ -; RUN: opt < %s -asan -asan-module -S | FileCheck %s +; RUN: opt < %s -asan -asan-module -asan-globals-live-support=1 -S | FileCheck %s target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" @@ -12,17 +12,23 @@ target triple = "x86_64-unknown-linux-gnu" @llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_asan_globals.cpp, i8* null }] ; Check that globals were instrumented: -; CHECK: @global = global { i32, [60 x i8] } zeroinitializer, align 32 -; CHECK: @.str = internal unnamed_addr constant { [14 x i8], [50 x i8] } { [14 x i8] c"Hello, world!\00", [50 x i8] zeroinitializer }, align 32 + +; CHECK: @global = global { i32, [60 x i8] } zeroinitializer, comdat, align 32 +; CHECK: @.str = internal unnamed_addr constant { [14 x i8], [50 x i8] } { [14 x i8] c"Hello, world!\00", [50 x i8] zeroinitializer }, comdat($".str${{[01-9a-f]+}}"), align 32 ; Check emitted location descriptions: ; CHECK: [[VARNAME:@__asan_gen_.[0-9]+]] = private unnamed_addr constant [7 x i8] c"global\00", align 1 ; CHECK: [[FILENAME:@__asan_gen_.[0-9]+]] = private unnamed_addr constant [22 x i8] c"/tmp/asan-globals.cpp\00", align 1 ; CHECK: [[LOCDESCR:@__asan_gen_.[0-9]+]] = private unnamed_addr constant { [22 x i8]*, i32, i32 } { [22 x i8]* [[FILENAME]], i32 5, i32 5 } +; CHECK: @__asan_global_global = {{.*}}i64 ptrtoint ({ i32, [60 x i8] }* @global to i64){{.*}} section "asan_globals"{{.*}}, !associated +; CHECK: @__asan_global_.str = {{.*}}i64 ptrtoint ({ [14 x i8], [50 x i8] }* @.str to i64){{.*}} section "asan_globals"{{.*}}, !associated + +; The metadata has to be inserted to llvm.compiler.used to avoid being stripped +; during LTO. +; CHECK: @llvm.compiler.used {{.*}} @__asan_global_global {{.*}} section "llvm.metadata" ; Check that location descriptors and global names were passed into __asan_register_globals: -; CHECK: i64 ptrtoint ([7 x i8]* [[VARNAME]] to i64) -; CHECK: i64 ptrtoint ({ [22 x i8]*, i32, i32 }* [[LOCDESCR]] to i64) +; CHECK: call void @__asan_register_elf_globals(i64 ptrtoint (i64* @___asan_globals_registered to i64), i64 ptrtoint (i64* @__start_asan_globals to i64), i64 ptrtoint (i64* @__stop_asan_globals to i64)) ; Function Attrs: nounwind sanitize_address define internal void @__cxx_global_var_init() #0 section ".text.startup" { |