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1; Checks that a function with no-return in the entry block is not instrumented.2; RUN: opt < %s -passes='module(sancov-module)' -sanitizer-coverage-level=3 -sanitizer-coverage-trace-pc-guard -S | FileCheck %s3; CHECK-NOT: call void @__sanitizer_cov_trace_pc_guard4 5target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"6target triple = "x86_64-unknown-linux-gnu"7 8define dso_local void @_Z3foov() noinline nounwind optnone uwtable {9entry:10 call void @abort() noreturn nounwind11 unreachable12 13return: ; No predecessors!14 ret void15}16 17declare dso_local void @abort() noreturn nounwind18