clang/test/CodeGenCXX/address-space-cast.cpp

   1 // RUN: %clang_cc1 %s -triple=amdgcn-amd-amdhsa -emit-llvm -o - | FileCheck %s
   2
   3 #define __private__ __attribute__((address_space(5)))
   4
   5 void func_pchar(__private__ char *x);
   6 void func_pvoid(__private__ void *x);
   7 void func_pint(__private__ int *x);
   8
   9 class Base {
  10 };
  11
  12 class Derived : public Base {
  13 };
  14
  15 void fn(Derived *p) {
  16   __private__ Base *b = (__private__ Base *)p;
  17 }
  18
  19 // CHECK-LABEL: test_cast
  20 void test_cast(char *gen_char_ptr, void *gen_void_ptr, int *gen_int_ptr) {
  21   // CHECK: %[[cast:.*]] = addrspacecast ptr %{{.*}} to ptr addrspace(5)
  22   // CHECK-NEXT: store ptr addrspace(5) %[[cast]]
  23   __private__ char *priv_char_ptr = (__private__ char *)gen_char_ptr;
  24
  25   // CHECK: %[[cast:.*]] = addrspacecast ptr %{{.*}} to ptr addrspace(5)
  26   // CHECK-NEXT: store ptr addrspace(5) %[[cast]]
  27   priv_char_ptr = (__private__ char *)gen_void_ptr;
  28
  29   // CHECK: %[[cast:.*]] = addrspacecast ptr %{{.*}} to ptr addrspace(5)
  30   // CHECK-NEXT: store ptr addrspace(5) %[[cast]]
  31   priv_char_ptr = (__private__ char *)gen_int_ptr;
  32
  33   // CHECK: %[[cast:.*]] = addrspacecast ptr %{{.*}} to ptr addrspace(5)
  34   // CHECK-NEXT: store ptr addrspace(5) %[[cast]]
  35   __private__ void *priv_void_ptr = (__private__ void *)gen_char_ptr;
  36
  37   // CHECK: %[[cast:.*]] = addrspacecast ptr %{{.*}} to ptr addrspace(5)
  38   // CHECK-NEXT: store ptr addrspace(5) %[[cast]]
  39   priv_void_ptr = (__private__ void *)gen_void_ptr;
  40
  41   // CHECK: %[[cast:.*]] = addrspacecast ptr %{{.*}} to ptr addrspace(5)
  42   // CHECK-NEXT: store ptr addrspace(5) %[[cast]]
  43   priv_void_ptr = (__private__ void *)gen_int_ptr;
  44
  45   // CHECK: %[[cast:.*]] = addrspacecast ptr %{{.*}} to ptr addrspace(5)
  46   // CHECK-NEXT: store ptr addrspace(5) %[[cast]]
  47   __private__ int *priv_int_ptr = (__private__ int *)gen_void_ptr;
  48
  49   // CHECK: %[[cast:.*]] = addrspacecast ptr %{{.*}} to ptr addrspace(5)
  50   // CHECK-NEXT: call void @_Z10func_pcharPU3AS5c(ptr addrspace(5) noundef %[[cast]])
  51   func_pchar((__private__ char *)gen_char_ptr);
  52
  53   // CHECK: %[[cast:.*]] = addrspacecast ptr %{{.*}} to ptr addrspace(5)
  54   // CHECK-NEXT: call void @_Z10func_pcharPU3AS5c(ptr addrspace(5) noundef %[[cast]])
  55   func_pchar((__private__ char *)gen_void_ptr);
  56
  57   // CHECK: %[[cast:.*]] = addrspacecast ptr %{{.*}} to ptr addrspace(5)
  58   // CHECK-NEXT: call void @_Z10func_pcharPU3AS5c(ptr addrspace(5) noundef %[[cast]])
  59   func_pchar((__private__ char *)gen_int_ptr);
  60
  61   // CHECK: %[[cast:.*]] = addrspacecast ptr %{{.*}} to ptr addrspace(5)
  62   // CHECK-NEXT: call void @_Z10func_pvoidPU3AS5v(ptr addrspace(5) noundef %[[cast]])
  63   func_pvoid((__private__ void *)gen_char_ptr);
  64
  65   // CHECK: %[[cast:.*]] = addrspacecast ptr %{{.*}} to ptr addrspace(5)
  66   // CHECK-NEXT: call void @_Z10func_pvoidPU3AS5v(ptr addrspace(5) noundef %[[cast]])
  67   func_pvoid((__private__ void *)gen_void_ptr);
  68
  69   // CHECK: %[[cast:.*]] = addrspacecast ptr %{{.*}} to ptr addrspace(5)
  70   // CHECK-NEXT: call void @_Z10func_pvoidPU3AS5v(ptr addrspace(5) noundef %[[cast]])
  71   func_pvoid((__private__ void *)gen_int_ptr);
  72
  73   // CHECK: %[[cast:.*]] = addrspacecast ptr %{{.*}} to ptr addrspace(5)
  74   // CHECK-NEXT: call void @_Z9func_pintPU3AS5i(ptr addrspace(5) noundef %[[cast]])
  75   func_pint((__private__ int *)gen_void_ptr);
  76 }