1; Tests that we don't insert __sanitizer_cov_trace_pc_guard_init or some such 2; when there is no instrumentation. 3; RUN: opt < %s -sancov -sanitizer-coverage-level=3 -sanitizer-coverage-trace-pc-guard -S -enable-new-pm=0 | FileCheck %s 4; RUN: opt < %s -passes='module(sancov-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 8@a = global i32 0, align 4 9 10; CHECK-NOT: call void 11