[llvm] r330453 - [utils] improve AArch64 asm parser

Fri Apr 20 10:16:23 PDT 2018

Author: spatel
Date: Fri Apr 20 10:16:23 2018
New Revision: 330453

URL: http://llvm.org/viewvc/llvm-project?rev=330453&view=rev
Log:
[utils] improve AArch64 asm parser

If we don't mark the cfi line as optional, the script won't
work with 'nounwind' code. Without that attr, there may be
extra noise in the asm body that we don't want to see.

Modified:
    llvm/trunk/utils/UpdateTestChecks/asm.py

Modified: llvm/trunk/utils/UpdateTestChecks/asm.py
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/UpdateTestChecks/asm.py?rev=330453&r1=330452&r2=330453&view=diff
==============================================================================

--- llvm/trunk/utils/UpdateTestChecks/asm.py (original)
+++ llvm/trunk/utils/UpdateTestChecks/asm.py Fri Apr 20 10:16:23 2018
@@ -28,7 +28,7 @@ ASM_FUNCTION_ARM_RE = re.compile(
 
 ASM_FUNCTION_AARCH64_RE = re.compile(
      r'^_?(?P<func>[^:]+):[ \t]*\/\/[ \t]*@(?P=func)\n'
-     r'[ \t]+.cfi_startproc\n'
+     r'(?:[ \t]+.cfi_startproc\n)?'  # drop optional cfi noise 
      r'(?P<body>.*?)\n'
      # This list is incomplete
      r'.Lfunc_end[0-9]+:\n',


