| // Ensure that driver issues a remark iff in batch mode. |
| // |
| // RUN: %swiftc_driver -whole-module-optimization -enable-batch-mode %S/../Inputs/empty.swift -### 2>&1 >/dev/null | %FileCheck %s |
| // RUN: %swiftc_driver %S/../Inputs/empty.swift -### 2>&1 >/dev/null | %FileCheck -allow-empty %s |
| // RUN: %swiftc_driver -enable-batch-mode -disable-batch-mode %S/../Inputs/empty.swift -### 2>&1 >/dev/null | %FileCheck -allow-empty %s |
| // |
| // CHECK-NOT: remark: using batch mode |
| // |
| // |
| // RUN: %swiftc_driver -enable-batch-mode %S/../Inputs/empty.swift -### 2>&1 | %FileCheck %s -check-prefix USING-BATCH-MODE |
| // |
| // USING-BATCH-MODE: remark: using batch mode |
