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; RUN: opt < %s -sancov -sanitizer-coverage-level=3 -sanitizer-coverage-trace-pc-guard -S | FileCheck %s --check-prefix=CHECK_PC_GUARD 6 7target 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" 8target triple = "x86_64-unknown-linux-gnu" 9define void @foo(i32* %a) sanitize_address { 10entry: 11 %tobool = icmp eq i32* %a, null 12 br i1 %tobool, label %if.end, label %if.then 13 14 if.then: ; preds = %entry 15 store i32 0, i32* %a, align 4 16 br label %if.end 17 18 if.end: ; preds = %entry, %if.then 19 ret void 20} 21 22; CHECK1-LABEL: define void @foo 23; CHECK1: call void @__sanitizer_cov_trace_func_enter 24; CHECK1: call void @__sanitizer_cov_trace_basic_block 25; CHECK1-NOT: call void @__sanitizer_cov_trace_basic_block 26; CHECK1: ret void 27 28; CHECK3-LABEL: define void @foo 29; CHECK3: call void @__sanitizer_cov_trace_func_enter 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 35; CHECK_PC-LABEL: define void @foo 36; CHECK_PC: call void @__sanitizer_cov_trace_pc 37; CHECK_PC: call void @__sanitizer_cov_trace_pc 38; CHECK_PC: call void @__sanitizer_cov_trace_pc 39; CHECK_PC-NOT: call void @__sanitizer_cov_trace_pc 40; CHECK_PC: ret void 41; CHECK_PC-NOT: call void @__sanitizer_cov_module_init 42 43; CHECK_PC_GUARD-LABEL: define void @foo 44; CHECK_PC_GUARD: call void @__sanitizer_cov_trace_pc_guard 45; CHECK_PC_GUARD: call void @__sanitizer_cov_trace_pc_guard 46; CHECK_PC_GUARD: call void @__sanitizer_cov_trace_pc_guard 47; CHECK_PC_GUARD-NOT: call void @__sanitizer_cov_trace_pc 48; CHECK_PC_GUARD: ret void 49; CHECK_PC_GUARD: call void @__sanitizer_cov_trace_pc_guard_init(i32* bitcast (i32** @__start___sancov_guards to i32*), i32* bitcast (i32** @__stop___sancov_guards to i32*)) 50