test/Instrumentation/SanitizerCoverage/tracing.ll

   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
   6 target 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"
   7 target triple = "x86_64-unknown-linux-gnu"
   8 define void @foo(i32* %a) sanitize_address {
   9 entry:
  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: section "__sancov_guards", align 4
  30 ; CHECK_PC_GUARD-LABEL: define void @foo
  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: call void @__sanitizer_cov_trace_pc_guard
  34 ; CHECK_PC_GUARD-NOT: call void @__sanitizer_cov_trace_pc
  35 ; CHECK_PC_GUARD: ret void
  36 ; 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*))
  37
  38 ; CHECK_PC_GUARD_DARWIN-LABEL: define void @foo
  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: call void @__sanitizer_cov_trace_pc_guard
  42 ; CHECK_PC_GUARD_DARWIN-NOT: call void @__sanitizer_cov_trace_pc
  43 ; CHECK_PC_GUARD_DARWIN: ret void
  44 ; 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*))