1; Test that the coverage guards have proper comdat 2; RUN: opt < %s -sancov -sanitizer-coverage-level=3 -sanitizer-coverage-trace-pc-guard -S | 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 | FileCheck %s 5target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 6target triple = "x86_64-unknown-linux-gnu" 7$Foo = comdat any 8; Function Attrs: uwtable 9define linkonce_odr void @Foo() comdat { 10entry: 11 ret void 12} 13 14define linkonce_odr void @Bar() { 15entry: 16 ret void 17} 18 19; CHECK: @__sancov_gen_ = private global [1 x i32] zeroinitializer, section "__sancov_guards", comdat($Foo) 20; CHECK: @__sancov_gen_.1 = private global [1 x i32] zeroinitializer, section "__sancov_guards" 21