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[utils] improve AArch64 asm parser
authorSanjay Patel <spatel@rotateright.com>
Fri, 20 Apr 2018 17:16:23 +0000 (17:16 +0000)
committerSanjay Patel <spatel@rotateright.com>
Fri, 20 Apr 2018 17:16:23 +0000 (17:16 +0000)
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.

llvm-svn: 330453

llvm/utils/UpdateTestChecks/asm.py patch | blob | history

diff --git a/llvm/utils/UpdateTestChecks/asm.py b/llvm/utils/UpdateTestChecks/asm.py
index 5a72eb9..f3feb35 100644 (file)
--- a/llvm/utils/UpdateTestChecks/asm.py
+++ b/llvm/utils/UpdateTestChecks/asm.py
@@ -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',
Domain: System / Toolchain;