[UpdateTestChecks] Handle IR variables with a '-' in the name

Summary:
I noticed that clang will emit variables such as %indirect-arg-temp when
running update_cc1_test_checks.py and therefore update_cc1_test_checks.py
wasn't adding FileCheck captures for those variables.

Reviewers: MaskRay

Reviewed By: MaskRay

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D44459

llvm-svn: 327564

llvm/utils/UpdateTestChecks/common.py

@@ -106,13 +106,14 @@ def build_function_body_dictionary(function_re, scrubber, scrubber_args, raw_too
 
 # Match things that look at identifiers, but only if they are followed by
 # spaces, commas, paren, or end of the string
-IR_VALUE_RE = re.compile(r'(\s+)%([\w\.]+?)([,\s\(\)]|\Z)')
+IR_VALUE_RE = re.compile(r'(\s+)%([\w\.\-]+?)([,\s\(\)]|\Z)')
 
 # Create a FileCheck variable name based on an IR name.
 def get_value_name(var):
   if var.isdigit():
     var = 'TMP' + var
   var = var.replace('.', '_')
+  var = var.replace('-', '_')
   return var.upper()