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1; RUN: opt < %s -passes='module(sancov-module)' -sanitizer-coverage-level=4 -sanitizer-coverage-trace-pc -sanitizer-coverage-prune-blocks=1 -S | FileCheck %s2 3define i32 @blah(i32) #0 {4 %2 = icmp sgt i32 %0, 15 br i1 %2, label %branch, label %exit6; CHECK: call void @__sanitizer_cov_trace_pc()7 8branch:9 br label %pos210; CHECK-LABEL: branch:11; CHECK-NOT: call void @__sanitizer_cov_trace_pc()12 13pos2:14 br label %pos315; CHECK-LABEL: pos2:16; CHECK-NOT: call void @__sanitizer_cov_trace_pc()17 18pos3:19 br label %pos420; CHECK-LABEL: pos3:21; CHECK-NOT: call void @__sanitizer_cov_trace_pc()22 23pos4:24 ret i32 025; CHECK-LABEL: pos4:26; CHECK: call void @__sanitizer_cov_trace_pc()27 28exit:29 ret i32 030; CHECK-LABEL: exit:31; CHECK: call void @__sanitizer_cov_trace_pc()32 33}34