test/Instrumentation/SanitizerCoverage/tracing.ll

   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
   5 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"
   6 target triple = "x86_64-unknown-linux-gnu"
   7 define void @foo(i32* %a) sanitize_address {
   8 entry:
   9   %tobool = icmp eq i32* %a, null
  10   br i1 %tobool, label %if.end, label %if.then
  11
  12   if.then:                                          ; preds = %entry
  13   store i32 0, i32* %a, align 4
  14   br label %if.end
  15
  16   if.end:                                           ; preds = %entry, %if.then
  17   ret void
  18 }
  19
  20 ; CHECK1-LABEL: define void @foo
  21 ; CHECK1: call void @__sanitizer_cov_trace_func_enter
  22 ; CHECK1: call void @__sanitizer_cov_trace_basic_block
  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: call void @__sanitizer_cov_trace_basic_block
  32 ; CHECK3-NOT: call void @__sanitizer_cov_trace_basic_block
  33 ; CHECK3: ret void