| ; This test checks that we are not instrumenting unnecessary globals |
| ; (llvm.metadata, init_array sections, and other llvm internal globals). |
| ; RUN: opt < %s -asan -asan-module -S | FileCheck %s |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| ; Function Attrs: nounwind uwtable |
| define internal void @_ZL3foov() #0 { |
| entry: |
| ret void |
| } |
| |
| @__call_foo = global void ()* @_ZL3foov, section ".preinit_array", align 8 |
| @__call_foo_2 = global void ()* @_ZL3foov, section ".init_array", align 8 |
| @__call_foo_3 = global void ()* @_ZL3foov, section ".fini_array", align 8 |
| |
| ; CHECK-NOT: asan_gen{{.*}}__call_foo |
| |
| ; Function Attrs: nounwind uwtable |
| define i32 @main() #0 { |
| entry: |
| %retval = alloca i32, align 4 |
| store i32 0, i32* %retval, align 4 |
| ret i32 0 |
| } |
| |
| @.str_noinst = private unnamed_addr constant [4 x i8] c"aaa\00", section "llvm.metadata" |
| @.str_noinst_prof = private unnamed_addr constant [4 x i8] c"aaa\00", section "__llvm_prf_data" |
| @.str_inst = private unnamed_addr constant [4 x i8] c"aaa\00" |
| |
| ; CHECK-NOT: {{asan_gen.*str_noinst}} |
| ; CHECK-NOT: {{asan_gen.*str_noinst_prof}} |
| ; CHECK: {{asan_gen.*str_inst}} |
| ; CHECK: @asan.module_ctor |