clang/test/CodeGenOpenCL/builtins-amdgcn-flat-address-space.cl

   1 // REQUIRES: amdgpu-registered-target
   2 // RUN: %clang_cc1 -cl-std=CL2.0 -triple amdgcn-unknown-unknown -target-cpu tahiti -S -emit-llvm -disable-llvm-passes -o - %s | FileCheck -enable-var-scope %s
   3
   4 // SI did not actually support flat addressing, but we can codegen the address
   5 // space test builtins. The target specfic part is a load from the implicit
   6 // argument buffer to use for the high pointer bits. It's just that buffer won't
   7 // be initialized to something useful. The proper way to diagnose invalid flat
   8 // usage is to forbid flat pointers on unsupported targets.
   9
  10 // CHECK-LABEL: @test_is_shared_global(
  11 // CHECK: [[CAST:%[0-9]+]] = addrspacecast ptr addrspace(1) %{{[0-9]+}} to ptr
  12 // CHECK: call i1 @llvm.amdgcn.is.shared(ptr [[CAST]]
  13 int test_is_shared_global(const global int* ptr) {
  14   return __builtin_amdgcn_is_shared(ptr);
  15 }
  16
  17 // CHECK-LABEL: @test_is_private_global(
  18 // CHECK: [[CAST:%[0-9]+]] = addrspacecast ptr addrspace(1) %{{[0-9]+}} to ptr
  19 // CHECK: call i1 @llvm.amdgcn.is.private(ptr [[CAST]]
  20 int test_is_private_global(const global int* ptr) {
  21   return __builtin_amdgcn_is_private(ptr);
  22 }