clang/test/CodeGenOpenCLCXX/address-space-castoperators.cpp

   1 // RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=clc++ -emit-llvm -O0 -o - | FileCheck %s
   2
   3 void test_reinterpret_cast(){
   4 __private float x;
   5 __private float& y = x;
   6 // We don't need bitcast to cast pointer type and
   7 // address space at the same time.
   8 //CHECK: addrspacecast ptr %x to ptr addrspace(4)
   9 //CHECK: [[REG:%[0-9]+]] = load ptr, ptr %y
  10 //CHECK: addrspacecast ptr [[REG]] to ptr addrspace(4)
  11 //CHECK-NOT: bitcast
  12 __generic int& rc1 = reinterpret_cast<__generic int&>(x);
  13 __generic int& rc2 = reinterpret_cast<__generic int&>(y);
  14 }