| // Verify that `-d` emits a non-empty depfile that always names the primary |
| // input file, even when the input has no `include` directives. A depfile |
| // containing only `<output>:` (no deps) round-trips through CMake's |
| // `cmake_transform_depfile` step to a 0-byte file, which Ninja treats as a |
| // missing depfile and unconditionally re-runs the edge. |
| |
| // RUN: llvm-tblgen -print-records %s -o %t.out -d %t.d |
| // RUN: FileCheck %s --input-file=%t.d |
| |
| // CHECK: {{.*}}depfile.td.tmp.out: {{.*}}depfile.td |
| |
| // When the input is stdin (`-`), there is no input path to emit, so the |
| // depfile lists only the output target with no dependencies. |
| // RUN: llvm-tblgen -print-records - -o %t.stdin.out -d %t.stdin.d < %s |
| // RUN: FileCheck %s --check-prefix=STDIN --input-file=%t.stdin.d |
| |
| // STDIN: {{.*}}depfile.td.tmp.stdin.out:{{$}} |
| |
| def Empty; |
