| 1 | // RUN: %clang_cc1 "-triple" "nvptx-nvidia-cuda" -emit-llvm -fcuda-is-device -o - %s | FileCheck %s |
|---|
| 2 | |
|---|
| 3 | #include "__clang_cuda_builtin_vars.h" |
|---|
| 4 | |
|---|
| 5 | // CHECK: define void @_Z6kernelPi(i32* %out) |
|---|
| 6 | __attribute__((global)) |
|---|
| 7 | void kernel(int *out) { |
|---|
| 8 | int i = 0; |
|---|
| 9 | out[i++] = threadIdx.x; // CHECK: call i32 @llvm.nvvm.read.ptx.sreg.tid.x() |
|---|
| 10 | out[i++] = threadIdx.y; // CHECK: call i32 @llvm.nvvm.read.ptx.sreg.tid.y() |
|---|
| 11 | out[i++] = threadIdx.z; // CHECK: call i32 @llvm.nvvm.read.ptx.sreg.tid.z() |
|---|
| 12 | |
|---|
| 13 | out[i++] = blockIdx.x; // CHECK: call i32 @llvm.nvvm.read.ptx.sreg.ctaid.x() |
|---|
| 14 | out[i++] = blockIdx.y; // CHECK: call i32 @llvm.nvvm.read.ptx.sreg.ctaid.y() |
|---|
| 15 | out[i++] = blockIdx.z; // CHECK: call i32 @llvm.nvvm.read.ptx.sreg.ctaid.z() |
|---|
| 16 | |
|---|
| 17 | out[i++] = blockDim.x; // CHECK: call i32 @llvm.nvvm.read.ptx.sreg.ntid.x() |
|---|
| 18 | out[i++] = blockDim.y; // CHECK: call i32 @llvm.nvvm.read.ptx.sreg.ntid.y() |
|---|
| 19 | out[i++] = blockDim.z; // CHECK: call i32 @llvm.nvvm.read.ptx.sreg.ntid.z() |
|---|
| 20 | |
|---|
| 21 | out[i++] = gridDim.x; // CHECK: call i32 @llvm.nvvm.read.ptx.sreg.nctaid.x() |
|---|
| 22 | out[i++] = gridDim.y; // CHECK: call i32 @llvm.nvvm.read.ptx.sreg.nctaid.y() |
|---|
| 23 | out[i++] = gridDim.z; // CHECK: call i32 @llvm.nvvm.read.ptx.sreg.nctaid.z() |
|---|
| 24 | |
|---|
| 25 | out[i++] = warpSize; // CHECK: store i32 32, |
|---|
| 26 | |
|---|
| 27 | // CHECK: ret void |
|---|
| 28 | } |
|---|
| 29 | |
|---|