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; RUN: opt < %s -sancov -sanitizer-coverage-level=3 -sanitizer-coverage-trace-pc-guard -S -mtriple=x86_64-apple-macosx | FileCheck %s --check-prefix=CHECK_PC_GUARD_DARWIN 7 8target 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" 9target triple = "x86_64-unknown-linux-gnu" 10define void @foo(i32* %a) sanitize_address { 11entry: 12 %tobool = icmp eq i32* %a, null 13 br i1 %tobool, label %if.end, label %if.then 14 15 if.then: ; preds = %entry 16 store i32 0, i32* %a, align 4 17 br label %if.end 18 19 if.end: ; preds = %entry, %if.then 20 ret void 21} 22 23; CHECK1-LABEL: define void @foo 24; CHECK1: call void @__sanitizer_cov_trace_func_enter 25; CHECK1: call void @__sanitizer_cov_trace_basic_block 26; CHECK1-NOT: call void @__sanitizer_cov_trace_basic_block 27; CHECK1: ret void 28 29; CHECK3-LABEL: define void @foo 30; CHECK3: call void @__sanitizer_cov_trace_func_enter 31; CHECK3: call void @__sanitizer_cov_trace_basic_block 32; CHECK3: call void @__sanitizer_cov_trace_basic_block 33; CHECK3-NOT: call void @__sanitizer_cov_trace_basic_block 34; CHECK3: ret void 35 36; CHECK_PC-LABEL: define void @foo 37; CHECK_PC: call void @__sanitizer_cov_trace_pc 38; CHECK_PC: call void @__sanitizer_cov_trace_pc 39; CHECK_PC: call void @__sanitizer_cov_trace_pc 40; CHECK_PC-NOT: call void @__sanitizer_cov_trace_pc 41; CHECK_PC: ret void 42; CHECK_PC-NOT: call void @__sanitizer_cov_module_init 43 44; CHECK_PC_GUARD-LABEL: define void @foo 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: call void @__sanitizer_cov_trace_pc_guard 48; CHECK_PC_GUARD-NOT: call void @__sanitizer_cov_trace_pc 49; CHECK_PC_GUARD: ret void 50; 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*)) 51 52; CHECK_PC_GUARD_DARWIN-LABEL: define void @foo 53; CHECK_PC_GUARD_DARWIN: call void @__sanitizer_cov_trace_pc_guard 54; CHECK_PC_GUARD_DARWIN: call void @__sanitizer_cov_trace_pc_guard 55; CHECK_PC_GUARD_DARWIN: call void @__sanitizer_cov_trace_pc_guard 56; CHECK_PC_GUARD_DARWIN-NOT: call void @__sanitizer_cov_trace_pc 57; CHECK_PC_GUARD_DARWIN: ret void 58; CHECK_PC_GUARD_DARWIN: call void @__sanitizer_cov_trace_pc_guard_init(i32* bitcast (i32** @"\01section$start$__DATA$__sancov_guards" to i32*), i32* bitcast (i32** @"\01section$end$__DATA$__sancov_guards" to i32*)) 59