clang/test/Analysis/z3/D83660.c

   1 // RUN: rm -rf %t && mkdir %t
   2 // RUN: %host_cxx -shared -fPIC %S/Inputs/MockZ3_solver_check.c -o %t/MockZ3_solver_check.so
   3 //
   4 // RUN: LD_PRELOAD="%t/MockZ3_solver_check.so"                                       \
   5 // RUN: %clang_cc1 -analyze -analyzer-constraints=z3 -setup-static-analyzer          \
   6 // RUN:   -analyzer-checker=core,debug.ExprInspection %s -verify 2>&1 | FileCheck %s
   7 //
   8 // REQUIRES: z3, asserts, shell, system-linux
   9 //
  10 // Works only with the z3 constraint manager.
  11 // expected-no-diagnostics
  12
  13 // CHECK:      Z3_solver_check returns the real value: TRUE
  14 // CHECK-NEXT: Z3_solver_check returns the real value: TRUE
  15 // CHECK-NEXT: Z3_solver_check returns the real value: TRUE
  16 // CHECK-NEXT: Z3_solver_check returns the real value: TRUE
  17 // CHECK-NEXT: Z3_solver_check returns a mocked value: UNDEF
  18
  19 void D83660(int b) {
  20   if (b) {
  21   }
  22   (void)b; // no-crash
  23 }