| // Ensure we support the -mtune flag. | 
 |  | 
 | // GENERIC-CPU: "-target-cpu" "generic" | 
 |  | 
 | // There shouldn't be a default -mtune. | 
 | // RUN: %clang -### -c --target=aarch64 %s 2>&1 | FileCheck %s -check-prefix=NOTUNE | 
 | // NOTUNE-NOT: "-tune-cpu" | 
 |  | 
 | // RUN: %clang -### -c --target=aarch64 %s -mtune=generic 2>&1 | FileCheck %s -check-prefix=GENERIC | 
 | // GENERIC: "-tune-cpu" "generic" | 
 |  | 
 | // RUN: %clang -### -c --target=aarch64 %s -mtune=neoverse-n1 2>&1 | FileCheck %s --check-prefixes=GENERIC-CPU,NEOVERSE-N1 | 
 | // NEOVERSE-N1: "-tune-cpu" "neoverse-n1" | 
 |  | 
 | // RUN: %clang -### -c --target=aarch64 %s -mtune=thunderx2t99 2>&1 | FileCheck %s -check-prefixes=GENERIC-CPU,THUNDERX2T99 | 
 | // THUNDERX2T99: "-tune-cpu" "thunderx2t99" | 
 |  | 
 | // Check interaction between march and mtune. | 
 |  | 
 | // RUN: %clang -### -c --target=aarch64 %s -march=armv8-a 2>&1 | FileCheck %s --check-prefixes=GENERIC-CPU,MARCHARMV8A | 
 | // MARCHARMV8A-NOT: "-tune-cpu" | 
 |  | 
 | // RUN: %clang -### -c --target=aarch64 %s -march=armv8-a -mtune=cortex-a75 2>&1 | FileCheck %s --check-prefixes=GENERIC-CPU,MARCHARMV8A-A75 | 
 | // MARCHARMV8A-A75: "-tune-cpu" "cortex-a75" | 
 |  | 
 | // Check interaction between mcpu and mtune. | 
 |  | 
 | // RUN: %clang -### -c --target=aarch64 %s -mcpu=thunderx 2>&1 | FileCheck %s -check-prefix=MCPUTHUNDERX | 
 | // MCPUTHUNDERX: "-target-cpu" "thunderx" | 
 | // MCPUTHUNDERX-NOT: "-tune-cpu" | 
 |  | 
 | // RUN: %clang -### -c --target=aarch64 %s -mcpu=cortex-a75 -mtune=cortex-a57 2>&1 | FileCheck %s -check-prefix=MCPUA75-MTUNEA57 | 
 | // MCPUA75-MTUNEA57: "-target-cpu" "cortex-a75" | 
 | // MCPUA75-MTUNEA57: "-tune-cpu" "cortex-a57" |