| Artem Belevich | 4e192df | 2015-04-21 22:14:13 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 "-triple" "nvptx-nvidia-cuda" -emit-llvm -fcuda-is-device -o - %s | FileCheck %s |
| 2 | |
| 3 | #include "cuda_builtin_vars.h" |
| 4 | |
| 5 | // CHECK: define void @_Z6kernelPi(i32* %out) |
| 6 | __attribute__((global)) |
| 7 | void kernel(int *out) { |
| 8 | int i = 0; |
| Justin Bogner | 2d5de7e | 2016-07-07 16:41:08 +0000 | [diff] [blame] | 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() |
| Artem Belevich | 4e192df | 2015-04-21 22:14:13 +0000 | [diff] [blame] | 12 | |
| Justin Bogner | 2d5de7e | 2016-07-07 16:41:08 +0000 | [diff] [blame] | 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() |
| Artem Belevich | 4e192df | 2015-04-21 22:14:13 +0000 | [diff] [blame] | 16 | |
| Justin Bogner | 2d5de7e | 2016-07-07 16:41:08 +0000 | [diff] [blame] | 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() |
| Artem Belevich | 4e192df | 2015-04-21 22:14:13 +0000 | [diff] [blame] | 20 | |
| Justin Bogner | 2d5de7e | 2016-07-07 16:41:08 +0000 | [diff] [blame] | 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() |
| Artem Belevich | 4e192df | 2015-04-21 22:14:13 +0000 | [diff] [blame] | 24 | |
| 25 | out[i++] = warpSize; // CHECK: store i32 32, |
| 26 | |
| 27 | // CHECK: ret void |
| 28 | } |