clang/test/AST/ByteCode/codegen.c

   1 // RUN: %clang_cc1 -triple x86_64-linux -emit-llvm -o - %s | FileCheck %s
   2 // RUN: %clang_cc1 -triple x86_64-linux -emit-llvm -o - %s -fexperimental-new-constant-interpreter | FileCheck %s
   3
   4 typedef __INTPTR_TYPE__ intptr_t;
   5
   6 const intptr_t Z1 = (intptr_t)(((char*)-1LL) + 1);
   7 // CHECK: @Z1 = constant i64 0
   8
   9 const intptr_t Z2 = (intptr_t)(((char*)1LL) - 1);
  10 // CHECK: @Z2 = constant i64 0
  11
  12 struct A {
  13   char num_fields;
  14 };
  15 struct B {
  16   char a, b[1];
  17 };
  18 const int A = (char *)(&( (struct B *)(16) )->b[0]) - (char *)(16);
  19 // CHECK: @A = constant i32 1
  20
  21 struct X { int a[2]; };
  22 int test(void) {
  23   static int i23 = (int) &(((struct X *)0)->a[1]);
  24   return i23;
  25 }
  26 // CHECK: @test.i23 = internal global i32 4, align 4