[ELF][test] Improve -v and --version tests

Author: MaskRay

lld/test/ELF/driver.test

@@ -17,11 +17,6 @@
 # HELP: USAGE:
 # HELP: : supported targets:{{.*}} elf
 
-# RUN: ld.lld --version 2>&1 | FileCheck -check-prefix=VERSION %s
-# RUN: ld.lld -v 2>&1 | FileCheck -check-prefix=VERSION %s
-# RUN: not ld.lld -v xyz 2>&1 | FileCheck -check-prefix=VERSION %s
-# VERSION: LLD {{.*}} (compatible with GNU linkers)
-
 # RUN: not ld.lld --versin 2>&1 | FileCheck -check-prefix=SPELLVERSION %s
 # SPELLVERSION: unknown argument '--versin', did you mean '--version'
 

lld/test/ELF/version.test

@@ -0,0 +1,9 @@
+## --version skips input file processing.
+# RUN: ld.lld --version %t/not-exist 2>&1 | FileCheck %s
+
+## -v/-V don't skip processing if there is any input.
+# RUN: ld.lld -v 2>&1 | FileCheck %s
+# RUN: not ld.lld -v %t/not-exist 2>&1 | FileCheck %s
+# RUN: ld.lld -V 2>&1 | FileCheck %s
+
+# CHECK: LLD {{.*}} (compatible with GNU linkers)