xref: /llvm-project/llvm/test/Instrumentation/SanitizerCoverage/tracing.ll (revision be87d480ff3911e0fa70f317c479920215a13f2c) 
1; Test -sanitizer-coverage-experimental-tracing
2; RUN: opt < %s -sancov -sanitizer-coverage-level=3 -sanitizer-coverage-trace-pc  -S | FileCheck %s --check-prefix=CHECK_PC
3; RUN: opt < %s -sancov -sanitizer-coverage-level=3 -sanitizer-coverage-trace-pc-guard  -S | FileCheck %s --check-prefix=CHECK_PC_GUARD
4; 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
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; CHECK_PC-LABEL: define void @foo
22; CHECK_PC: call void @__sanitizer_cov_trace_pc
23; CHECK_PC: call void @__sanitizer_cov_trace_pc
24; CHECK_PC: call void @__sanitizer_cov_trace_pc
25; CHECK_PC-NOT: call void @__sanitizer_cov_trace_pc
26; CHECK_PC: ret void
27; CHECK_PC-NOT: call void @__sanitizer_cov_module_init
28
29; CHECK_PC_GUARD-LABEL: define void @foo
30; CHECK_PC_GUARD: call void @__sanitizer_cov_trace_pc_guard
31; CHECK_PC_GUARD: call void @__sanitizer_cov_trace_pc_guard
32; CHECK_PC_GUARD: call void @__sanitizer_cov_trace_pc_guard
33; CHECK_PC_GUARD-NOT: call void @__sanitizer_cov_trace_pc
34; CHECK_PC_GUARD: ret void
35; 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*))
36
37; CHECK_PC_GUARD_DARWIN-LABEL: define void @foo
38; CHECK_PC_GUARD_DARWIN: call void @__sanitizer_cov_trace_pc_guard
39; CHECK_PC_GUARD_DARWIN: call void @__sanitizer_cov_trace_pc_guard
40; CHECK_PC_GUARD_DARWIN: call void @__sanitizer_cov_trace_pc_guard
41; CHECK_PC_GUARD_DARWIN-NOT: call void @__sanitizer_cov_trace_pc
42; CHECK_PC_GUARD_DARWIN: ret void
43; 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*))
44