22 lines · cpp
1// REQUIRES: amdgpu-registered-target2// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -aux-triple x86_64-pc-windows-msvc -target-cpu gfx900 -x hip -emit-llvm -fcuda-is-device -o - %s | FileCheck %s3// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -aux-triple x86_64-pc-windows-msvc -target-cpu gfx900 -x hip -S -fcuda-is-device -o - %s | FileCheck %s --check-prefix=GFX94 5// Unlike OpenCL, HIP depends on the C++ interpration of "unsigned long", which6// is 64 bits long on Linux and 32 bits long on Windows. The return type of the7// ballot intrinsic needs to be a 64 bit integer on both platforms. This test8// cross-compiles to Windows to confirm that the return type is indeed 64 bits9// on Windows.10 11// CHECK-LABEL: @_Z3fooi12// CHECK: call i64 @llvm.amdgcn.ballot.i6413 14// GFX9-LABEL: _Z3fooi:15// GFX9: v_cmp_ne_u32_e6416 17#define __device__ __attribute__((device))18 19__device__ unsigned long long foo(int p) {20 return __builtin_amdgcn_ballot_w64(p);21}22