| // RUN: %clang_cc1 %s -triple nvptx-unknown-unknown -fcuda-is-device -emit-llvm -o - | FileCheck %s |
| |
| #include "Inputs/cuda.h" |
| |
| #define MAX_THREADS_PER_BLOCK 256 |
| #define MIN_BLOCKS_PER_MP 2 |
| |
| // Test both max threads per block and Min cta per sm. |
| extern "C" { |
| __global__ void |
| __launch_bounds__( MAX_THREADS_PER_BLOCK, MIN_BLOCKS_PER_MP ) |
| Kernel1() |
| { |
| } |
| } |
| |
| // CHECK: !{{[0-9]+}} = !{void ()* @Kernel1, !"maxntidx", i32 256} |
| // CHECK: !{{[0-9]+}} = !{void ()* @Kernel1, !"minctasm", i32 2} |
| |
| // Test only max threads per block. Min cta per sm defaults to 0, and |
| // CodeGen doesn't output a zero value for minctasm. |
| extern "C" { |
| __global__ void |
| __launch_bounds__( MAX_THREADS_PER_BLOCK ) |
| Kernel2() |
| { |
| } |
| } |
| |
| // CHECK: !{{[0-9]+}} = !{void ()* @Kernel2, !"maxntidx", i32 256} |