1; Test -sanitizer-coverage-experimental-tracing 2; RUN: opt < %s -sancov -sanitizer-coverage-level=2 -sanitizer-coverage-experimental-tracing -S | FileCheck %s --check-prefix=CHECK1 3; RUN: opt < %s -sancov -sanitizer-coverage-level=3 -sanitizer-coverage-experimental-tracing -S | FileCheck %s --check-prefix=CHECK3 4 5target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" 6target triple = "x86_64-unknown-linux-gnu" 7define void @foo(i32* %a) sanitize_address { 8entry: 9 %tobool = icmp eq i32* %a, null 10 br i1 %tobool, label %if.end, label %if.then 11 12 if.then: ; preds = %entry 13 store i32 0, i32* %a, align 4 14 br label %if.end 15 16 if.end: ; preds = %entry, %if.then 17 ret void 18} 19 20; CHECK1-LABEL: define void @foo 21; CHECK1: call void @__sanitizer_cov_trace_func_enter 22; CHECK1: call void @__sanitizer_cov_trace_basic_block 23; CHECK1: call void @__sanitizer_cov_trace_basic_block 24; CHECK1-NOT: call void @__sanitizer_cov_trace_basic_block 25; CHECK1: ret void 26 27; CHECK3-LABEL: define void @foo 28; CHECK3: call void @__sanitizer_cov_trace_func_enter 29; CHECK3: call void @__sanitizer_cov_trace_basic_block 30; CHECK3: call void @__sanitizer_cov_trace_basic_block 31; CHECK3: call void @__sanitizer_cov_trace_basic_block 32; CHECK3-NOT: call void @__sanitizer_cov_trace_basic_block 33; CHECK3: ret void 34