clang/test/CodeGen/sancov-new-pm.c

   1 // Test that SanitizerCoverage works under the new pass manager.
   2 // RUN: %clang -target x86_64-linux-gnu -fsanitize=fuzzer %s -S -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,CHECK-O0
   3 // RUN: %clang -target x86_64-linux-gnu -fsanitize=fuzzer %s -O2 -S -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,CHECK-O2
   4
   5 extern void *memcpy(void *, const void *, unsigned long);
   6 extern int printf(const char *restrict, ...);
   7
   8 int LLVMFuzzerTestOneInput(const unsigned char *data, unsigned long size) {
   9   unsigned char buf[4];
  10
  11   if (size < 8)
  12     return 0;
  13
  14   if (data[0] == 'h' && data[1] == 'i' && data[2] == '!') {
  15     memcpy(buf, data, size);
  16     printf("test: %.2X\n", buf[0]);
  17   }
  18
  19   return 0;
  20 }
  21
  22 // CHECK-DAG: declare void @__sanitizer_cov_pcs_init(ptr, ptr)
  23 // CHECK-O0-DAG: declare void @__sanitizer_cov_trace_pc_indir(i64)
  24 // CHECK-O0-DAG: declare void @__sanitizer_cov_trace_cmp1(i8 zeroext, i8 zeroext)
  25 // CHECK-O0-DAG: declare void @__sanitizer_cov_trace_cmp2(i16 zeroext, i16 zeroext)
  26 // CHECK-O0-DAG: declare void @__sanitizer_cov_trace_cmp4(i32 zeroext, i32 zeroext)
  27 // CHECK-O0-DAG: declare void @__sanitizer_cov_trace_cmp8(i64, i64)
  28 // CHECK-O2-NOT: declare void @__sanitizer_cov_trace_const_cmp1(i8 zeroext, i8 zeroext)
  29 // CHECK-O0-DAG: declare void @__sanitizer_cov_trace_const_cmp2(i16 zeroext, i16 zeroext)
  30 // CHECK-O0-DAG: declare void @__sanitizer_cov_trace_const_cmp4(i32 zeroext, i32 zeroext)
  31 // CHECK-O2-NOT: declare void @__sanitizer_cov_trace_const_cmp8(i64, i64)
  32 // CHECK-O0-DAG: declare void @__sanitizer_cov_trace_div4(i32 zeroext)
  33 // CHECK-O0-DAG: declare void @__sanitizer_cov_trace_div8(i64)
  34 // CHECK-O0-DAG: declare void @__sanitizer_cov_trace_gep(i64)
  35 // CHECK-O0-DAG: declare void @__sanitizer_cov_trace_switch(i64, ptr)
  36 // CHECK-O0-DAG: declare void @__sanitizer_cov_trace_pc()
  37 // CHECK-O0-DAG: declare void @__sanitizer_cov_trace_pc_guard(ptr)