Fix this test a little harder - use llc_dwarf to make sure we don't

try to execute it on windows.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211298 91177308-0d34-0410-b5e6-96231b3b80d8

Author: echristo

test/MC/ELF/cfi-version.ll

@@ -1,6 +1,6 @@
-; RUN: llc %s -o - -dwarf-version 2 -filetype=obj | llvm-dwarfdump - | FileCheck %s --check-prefix=DWARF2
-; RUN: llc %s -o - -dwarf-version 3 -filetype=obj | llvm-dwarfdump - | FileCheck %s --check-prefix=DWARF34
-; RUN: llc %s -o - -dwarf-version 4 -filetype=obj | llvm-dwarfdump - | FileCheck %s --check-prefix=DWARF34
+; RUN: %llc_dwarf %s -o - -dwarf-version 2 -filetype=obj | llvm-dwarfdump - | FileCheck %s --check-prefix=DWARF2
+; RUN: %llc_dwarf %s -o - -dwarf-version 3 -filetype=obj | llvm-dwarfdump - | FileCheck %s --check-prefix=DWARF34
+; RUN: %llc_dwarf %s -o - -dwarf-version 4 -filetype=obj | llvm-dwarfdump - | FileCheck %s --check-prefix=DWARF34
 
 ; Function Attrs: nounwind
 define i32 @foo() #0 {