| // REQUIRES: x86-registered-target |
| // REQUIRES: nvptx-registered-target |
| |
| #if defined(X) |
| extern int y; |
| int foo() { return y; } |
| |
| int x = 0; |
| #elif defined(Y) |
| int y = 42; |
| #elif defined(Z) |
| int z = 42; |
| #elif defined(W) |
| int w = 42; |
| #elif defined(U) |
| extern int x; |
| extern int __attribute__((weak)) w; |
| |
| int bar() { |
| return x + w; |
| } |
| #else |
| extern int y; |
| extern int x; |
| int baz() { return y + x; } |
| #endif |
| |
| // Create various inputs to test basic linking and LTO capabilities. Creating a |
| // CUDA binary requires access to the `ptxas` executable, so we just use x64. |
| // RUN: %clang -cc1 %s -triple nvptx64-nvidia-cuda -emit-llvm-bc -o %t.o |
| // RUN: %clang -cc1 %s -triple x86_64-unknown-linux-gnu -emit-obj -DX -o %t-x.o |
| // RUN: %clang -cc1 %s -triple x86_64-unknown-linux-gnu -emit-obj -DY -o %t-y.o |
| // RUN: %clang -cc1 %s -triple x86_64-unknown-linux-gnu -emit-obj -DZ -o %t-z.o |
| // RUN: %clang -cc1 %s -triple x86_64-unknown-linux-gnu -emit-obj -DW -o %t-w.o |
| // RUN: %clang -cc1 %s -triple x86_64-unknown-linux-gnu -emit-obj -DU -o %t-u.o |
| // RUN: llvm-ar rcs %t-x.a %t-x.o |
| // RUN: llvm-ar rcs %t-y.a %t-y.o |
| // RUN: llvm-ar rcs %t-z.a %t-z.o |
| // RUN: llvm-ar rcs %t-w.a %t-w.o |
| // RUN: llvm-ar rcs %t-u.a %t-u.o |
| |
| // |
| // Check that we forward any unrecognized argument to 'nvlink'. |
| // |
| // RUN: clang-nvlink-wrapper --dry-run -arch sm_52 %t-u.o -foo -o a.out 2>&1 \ |
| // RUN: | FileCheck %s --check-prefix=ARGS |
| // ARGS: nvlink{{.*}} -arch sm_52 -foo -o a.out [[INPUT:.+]].cubin |
| |
| // |
| // Check the symbol resolution for static archives. We expect to only link |
| // `libx.a` and `liby.a` because extern weak symbols do not extract and `libz.a` |
| // is not used at all. |
| // |
| // RUN: clang-nvlink-wrapper --dry-run %t-x.a %t-u.a %t-y.a %t-z.a %t-w.a %t.o \ |
| // RUN: -arch sm_52 -o a.out 2>&1 | FileCheck %s --check-prefix=LINK |
| // LINK: nvlink{{.*}} -arch sm_52 -o a.out [[INPUT:.+]].cubin {{.*}}-x-{{.*}}.cubin{{.*}}-y-{{.*}}.cubin |
| |
| // |
| // Same as above but we use '--undefined' to forcibly extract 'libz.a' |
| // |
| // RUN: clang-nvlink-wrapper --dry-run %t-x.a %t-u.a %t-y.a %t-z.a %t-w.a %t.o \ |
| // RUN: -u z -arch sm_52 -o a.out 2>&1 | FileCheck %s --check-prefix=LINK |
| // UNDEFINED: nvlink{{.*}} -arch sm_52 -o a.out [[INPUT:.+]].cubin {{.*}}-x-{{.*}}.cubin{{.*}}-y-{{.*}}.cubin{{.*}}-z-{{.*}}.cubin |
| |
| // |
| // Check that the LTO interface works and properly preserves symbols used in a |
| // regular object file. |
| // |
| // RUN: clang-nvlink-wrapper --dry-run %t.o %t-u.o %t-y.a \ |
| // RUN: -arch sm_52 -o a.out 2>&1 | FileCheck %s --check-prefix=LTO |
| // LTO: ptxas{{.*}} -m64 -c [[PTX:.+]].s -O3 -arch sm_52 -o [[CUBIN:.+]].cubin |
| // LTO: nvlink{{.*}} -arch sm_52 -o a.out [[CUBIN]].cubin {{.*}}-u-{{.*}}.cubin {{.*}}-y-{{.*}}.cubin |
| |
| // |
| // Check that we don't forward some arguments. |
| // |
| // RUN: clang-nvlink-wrapper --dry-run %t.o %t-u.o %t-y.a \ |
| // RUN: -arch sm_52 --cuda-path/opt/cuda -o a.out 2>&1 | FileCheck %s --check-prefix=PATH |
| // PATH-NOT: --cuda-path=/opt/cuda |
| |
| // |
| // Check that passes can be specified and debugged. |
| // |
| // RUN: clang-nvlink-wrapper --dry-run %t.o %t-u.o %t-y.a \ |
| // RUN: --lto-debug-pass-manager --lto-newpm-passes=forceattrs \ |
| // RUN: -arch sm_52 -o a.out 2>&1 | FileCheck %s --check-prefix=PASSES |
| // PASSES: Running pass: ForceFunctionAttrsPass |
| |
| // |
| // Check that '-plugin` is ingored like in `ld.lld` |
| // |
| // RUN: clang-nvlink-wrapper --dry-run %t.o -plugin foo.so -arch sm_52 -o a.out \ |
| // RUN: 2>&1 | FileCheck %s --check-prefix=PLUGIN |
| // PLUGIN-NOT: -plugin |
