1; This test checks that we are not instrumenting unnecessary globals 2; (llvm.metadata and other llvm internal globals). 3; RUN: opt < %s -passes=asan -S | FileCheck %s 4 5target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 6target triple = "x86_64-apple-macosx10.10.0" 7 8@foo_noinst = private global [19 x i8] c"scannerWithString:\00", section "__TEXT,__objc_methname,cstring_literals" 9 10; CHECK: @foo_noinst = private global [19 x i8] c"scannerWithString:\00", section "__TEXT,__objc_methname,cstring_literals" 11 12@.str_noinst = private unnamed_addr constant [4 x i8] c"aaa\00", section "llvm.metadata" 13@.str_noinst_old_cov = private unnamed_addr constant [4 x i8] c"aaa\00", section "__DATA,__llvm_covmap" 14@.str_noinst_new_cov = private unnamed_addr constant [4 x i8] c"aaa\00", section "__LLVM_COV,__llvm_covmap" 15@.str_noinst_LLVM = private unnamed_addr constant [4 x i8] c"aaa\00", section "__LLVM,__not_visible" 16@.str_inst = private unnamed_addr constant [4 x i8] c"aaa\00" 17 18; CHECK-NOT: {{asan_gen.*str_noinst}} 19; CHECK-NOT: {{asan_gen.*str_noinst_old_cov}} 20; CHECK-NOT: {{asan_gen.*str_noinst_new_cov}} 21; CHECK-NOT: {{asan_gen.*str_noinst_LLVM}} 22; CHECK: {{asan_gen.*str_inst}} 23; CHECK: @asan.module_ctor 24