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