clang/test/Interpreter/execute-stmts.cpp

   1 // REQUIRES: host-supports-jit
   2 // UNSUPPORTED: system-aix
   3 // RUN: cat %s | clang-repl -Xcc -Xclang -Xcc  -verify | FileCheck %s
   4 // RUN: %clang_cc1 -verify -fincremental-extensions -emit-llvm -o -  %s \
   5 // RUN:           | FileCheck --check-prefix=CODEGEN-CHECK %s
   6
   7 // expected-no-diagnostics
   8
   9 //CODEGEN-CHECK-COUNT-2: define internal void @__stmts__
  10 //CODEGEN-CHECK-NOT: define internal void @__stmts__
  11
  12 extern "C" int printf(const char*,...);
  13
  14 template <typename T> T call() { printf("called\n"); return T(); }
  15 call<int>();
  16 // CHECK: called
  17
  18 int i = 1;
  19 ++i;
  20 printf("i = %d\n", i);
  21 // CHECK: i = 2
  22
  23 namespace Ns { void f(){ i++; } }
  24 Ns::f();
  25
  26 void g() { ++i; }
  27 g();
  28 ::g();
  29
  30 printf("i = %d\n", i);
  31 // CHECK-NEXT: i = 5
  32
  33 for (; i > 4; --i) printf("i = %d\n", i);
  34 // CHECK-NEXT: i = 5
  35
  36 {++i;}
  37
  38 for (; i > 4; --i) { printf("i = %d\n", i); };
  39 // CHECK-NEXT: i = 5
  40
  41 int j = i; printf("j = %d\n", j);
  42 // CHECK-NEXT: j = 4
  43
  44 {i = 0; printf("i = %d (global scope)\n", i);}
  45 // CHECK-NEXT: i = 0
  46
  47 while (int i = 1) { printf("i = %d (while condition)\n", i--); break; }
  48 // CHECK-NEXT: i = 1
  49
  50 if (int i = 2) printf("i = %d (if condition)\n", i);
  51 // CHECK-NEXT: i = 2
  52
  53 switch (int i = 3) { default: printf("i = %d (switch condition)\n", i); }
  54 // CHECK-NEXT: i = 3
  55
  56 for (int i = 4; i > 3; --i) printf("i = %d (for-init)\n", i);
  57 // CHECK-NEXT: i = 4
  58
  59 for (const auto &i : "5") printf("i = %c (range-based for-init)\n", i);
  60 // CHECK-NEXT: i = 5
  61
  62 int *aa=nullptr;
  63 if (auto *b=aa) *b += 1;
  64 while (auto *b=aa) ;
  65 for (auto *b=aa; b; *b+=1) ;