| // Test that target feature ls64 is implemented and available correctly | 
 |  | 
 | // RUN: %clang -### --target=aarch64-none-elf -march=armv8.7-a+ls64 %s 2>&1 | FileCheck %s | 
 | // CHECK: "-target-feature" "+ls64" | 
 |  | 
 | // RUN: %clang -### --target=aarch64-none-elf -march=armv8.7-a+nols64 %s 2>&1 | FileCheck %s --check-prefix=ABSENT_LS64 | 
 |  | 
 | // The LD64B/ST64B accelerator extension is disabled by default. | 
 | // RUN: %clang -### --target=aarch64-none-elf                  %s 2>&1 | FileCheck %s --check-prefix=ABSENT_LS64 | 
 | // RUN: %clang -### --target=aarch64-none-elf -march=armv8.7-a %s 2>&1 | FileCheck %s --check-prefix=ABSENT_LS64 | 
 | // RUN: %clang -### --target=aarch64-none-elf -march=armv8.7-a %s 2>&1 | FileCheck %s --check-prefix=ABSENT_LS64 | 
 | // ABSENT_LS64-NOT: "-target-feature" "+ls64" | 
 | // ABSENT_LS64-NOT: "-target-feature" "-ls64" |