1; This test checks that we are not instrumenting unnecessary globals 2; (llvm.metadata, init_array sections, and other llvm internal globals). 3; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -S | FileCheck %s 4; RUN: opt < %s -passes='asan-pipeline' -S | FileCheck %s 5 6target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 7target triple = "x86_64-unknown-linux-gnu" 8 9; Function Attrs: nounwind uwtable 10define internal void @_ZL3foov() #0 { 11entry: 12 ret void 13} 14 15@__call_foo = global void ()* @_ZL3foov, section ".preinit_array", align 8 16@__call_foo_2 = global void ()* @_ZL3foov, section ".init_array", align 8 17@__call_foo_3 = global void ()* @_ZL3foov, section ".fini_array", align 8 18 19; CHECK-NOT: asan_gen{{.*}}__call_foo 20 21; Function Attrs: nounwind uwtable 22define i32 @main() #0 { 23entry: 24 %retval = alloca i32, align 4 25 store i32 0, i32* %retval, align 4 26 ret i32 0 27} 28 29@.str_noinst = private unnamed_addr constant [4 x i8] c"aaa\00", section "llvm.metadata" 30@.str_noinst_prof = private unnamed_addr constant [4 x i8] c"aaa\00", section "__llvm_prf_data" 31@.str_inst = private unnamed_addr constant [4 x i8] c"aaa\00" 32 33; CHECK-NOT: {{asan_gen.*str_noinst}} 34; CHECK-NOT: {{asan_gen.*str_noinst_prof}} 35; CHECK: {{asan_gen.*str_inst}} 36; CHECK: @asan.module_ctor 37