; Test that the coverage guards have proper comdat ; Make sure asan does not instrument __sancov_gen_ ; RUN: opt < %s -passes='module(sancov-module)' -sanitizer-coverage-level=3 -sanitizer-coverage-trace-pc-guard -S | FileCheck %s ; RUN: opt < %s -passes='module(sancov-module,asan-module)' -sanitizer-coverage-level=3 -sanitizer-coverage-trace-pc-guard -S | FileCheck %s target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" $Foo = comdat any ; Function Attrs: uwtable define linkonce_odr void @Foo() comdat { entry: ret void } define linkonce_odr void @Bar() { entry: ret void } ; CHECK: @__sancov_gen_ = private global [1 x i32] zeroinitializer, section "__sancov_guards", comdat($Foo) ; CHECK: @__sancov_gen_.1 = private global [1 x i32] zeroinitializer, section "__sancov_guards"