compiler-rt/test/ubsan/TestCases/Pointer/align-assume-openmp.cpp

   1 // RUN: %clang -x c   -fsanitize=alignment -fopenmp-simd -O0 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="runtime error:"
   2 // RUN: %clang -x c   -fsanitize=alignment -fopenmp-simd -O1 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="runtime error:"
   3 // RUN: %clang -x c   -fsanitize=alignment -fopenmp-simd -O2 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="runtime error:"
   4 // RUN: %clang -x c   -fsanitize=alignment -fopenmp-simd -O3 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="runtime error:"
   5
   6 // RUN: %clangxx -x c++ -fsanitize=alignment -fopenmp-simd -O0 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="runtime error:"
   7 // RUN: %clangxx -x c++ -fsanitize=alignment -fopenmp-simd -O1 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="runtime error:"
   8 // RUN: %clangxx -x c++ -fsanitize=alignment -fopenmp-simd -O2 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="runtime error:"
   9 // RUN: %clangxx -x c++ -fsanitize=alignment -fopenmp-simd -O3 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="runtime error:"
  10
  11 #include <stdlib.h>
  12
  13 int main(int argc, char* argv[]) {
  14   char *ptr = (char *)malloc(2);
  15   char *data = ptr + 1;
  16
  17   data[0] = 0;
  18
  19 #pragma omp for simd aligned(data : 0x8000)
  20   for(int x = 0; x < 1; x++)
  21     data[x] = data[x];
  22   // CHECK: {{.*}}align-assume-{{.*}}.cpp:[[@LINE-3]]:30: runtime error: assumption of 32768 byte alignment for pointer of type 'char *' failed
  23   // CHECK: 0x{{.*}}: note: address is {{.*}} aligned, misalignment offset is {{.*}} byte
  24
  25   free(ptr);
  26
  27   return 0;
  28 }