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; RUN: opt < %s -sancov -sanitizer-coverage-level=3 -sanitizer-coverage-trace-pc -S | FileCheck %s --check-prefix=CHECK_PC 5 6target 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" 7target triple = "x86_64-unknown-linux-gnu" 8define void @foo(i32* %a) sanitize_address { 9entry: 10 %tobool = icmp eq i32* %a, null 11 br i1 %tobool, label %if.end, label %if.then 12 13 if.then: ; preds = %entry 14 store i32 0, i32* %a, align 4 15 br label %if.end 16 17 if.end: ; preds = %entry, %if.then 18 ret void 19} 20 21; CHECK1-LABEL: define void @foo 22; CHECK1: call void @__sanitizer_cov_trace_func_enter 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-NOT: call void @__sanitizer_cov_trace_basic_block 32; CHECK3: ret void 33 34; CHECK_PC-LABEL: define void @foo 35; CHECK_PC: call void @__sanitizer_cov_trace_pc 36; CHECK_PC: call void @__sanitizer_cov_trace_pc 37; CHECK_PC: call void @__sanitizer_cov_trace_pc 38; CHECK_PC-NOT: call void @__sanitizer_cov_trace_pc 39; CHECK_PC: ret void 40; CHECK_PC-NOT: call void @__sanitizer_cov_module_init 41