1; Test that the coverage guards have proper comdat
2; RUN: opt < %s -sancov                    -sanitizer-coverage-level=3 -sanitizer-coverage-trace-pc-guard  -S  -enable-new-pm=0 | FileCheck %s
3; Make sure asan does not instrument __sancov_gen_
4; RUN: opt < %s -sancov -asan -asan-module -sanitizer-coverage-level=3 -sanitizer-coverage-trace-pc-guard  -S  -enable-new-pm=0 | FileCheck %s
5
6; RUN: opt < %s -passes='module(sancov-module)' -sanitizer-coverage-level=3 -sanitizer-coverage-trace-pc-guard  -S  | FileCheck %s
7; RUN: opt < %s -passes='module(require<asan-globals-md>,sancov-module,asan-module),function(asan)' -sanitizer-coverage-level=3 -sanitizer-coverage-trace-pc-guard  -S  | FileCheck %s
8target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
9target triple = "x86_64-unknown-linux-gnu"
10$Foo = comdat any
11; Function Attrs: uwtable
12define linkonce_odr void @Foo() comdat {
13entry:
14  ret void
15}
16
17define linkonce_odr void @Bar() {
18entry:
19  ret void
20}
21
22; CHECK: @__sancov_gen_ = private global [1 x i32] zeroinitializer, section "__sancov_guards", comdat($Foo)
23; CHECK: @__sancov_gen_.1 = private global [1 x i32] zeroinitializer, section "__sancov_guards"
24