blob: 5653bdfdd5e1dc6d78a55e43c609d6ef2b858a68 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
cmake_minimum_required(VERSION 3.18)
project(DeviceLTO CUDA)
# Goal:
# Verify that we correctly compile with device LTO
# Verify that device LTO requirements are propagated to
# the final device link line
add_library(CUDA_dlto STATIC file1.cu file2.cu file3.cu)
add_executable(CudaOnlyDeviceLTO main.cu)
set(archs_to_test "${CMAKE_CUDA_ARCHITECTURES_ALL}")
if(CMAKE_CUDA_COMPILER_ID STREQUAL "NVIDIA")
# Also test with at least one virtual architecture.
list(POP_BACK CMAKE_CUDA_ARCHITECTURES_ALL_MAJOR latest_arch)
list(APPEND archs_to_test ${latest_arch}-virtual)
endif()
set_target_properties(CUDA_dlto
PROPERTIES
CUDA_ARCHITECTURES "${archs_to_test}"
CUDA_SEPARABLE_COMPILATION ON
POSITION_INDEPENDENT_CODE ON)
set_target_properties(CudaOnlyDeviceLTO
PROPERTIES
CUDA_SEPARABLE_COMPILATION ON
CUDA_ARCHITECTURES "${archs_to_test}"
)
target_link_libraries(CudaOnlyDeviceLTO PRIVATE CUDA_dlto)
include(CheckIPOSupported)
check_ipo_supported(LANGUAGES CUDA RESULT ipo_supported)
if(ipo_supported)
set_target_properties(CUDA_dlto
PROPERTIES
INTERPROCEDURAL_OPTIMIZATION ON)
# When non-LTO variants (i.e. virtual) are built together with LTO ones the
# linker warns about missing device LTO for the virtual architectures.
# Ignore these warnings.
target_link_options(CudaOnlyDeviceLTO PRIVATE "$<DEVICE_LINK:-w>")
endif()
|
