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1; Checks that a function with no-return in the entry block is not instrumented.
2; RUN: opt < %s -sancov -sanitizer-coverage-level=3 -sanitizer-coverage-trace-pc-guard -S -enable-new-pm=0 | FileCheck %s
3; RUN: opt < %s -passes='module(sancov-module)' -sanitizer-coverage-level=3 -sanitizer-coverage-trace-pc-guard -S | FileCheck %s
4; CHECK-NOT: call void @__sanitizer_cov_trace_pc_guard
5
6target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
7target triple = "x86_64-unknown-linux-gnu"
8
9define dso_local void @_Z3foov() noinline nounwind optnone uwtable {
10entry:
11  call void @abort() noreturn nounwind
12  unreachable
13
14return:                                           ; No predecessors!
15  ret void
16}
17
18declare dso_local void @abort() noreturn nounwind
19