From 84aa0af49572e6c25a8f5c3f358e3b3fd8276d00 Mon Sep 17 00:00:00 2001
From: Sanjay Patel <spatel@rotateright.com>
Date: Fri, 20 Oct 2017 21:55:23 +0000
Subject: [PATCH] [utils, x86] add regex for retl/retq to reduce duplicated
 FileChecking (PR35003)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@316242 91177308-0d34-0410-b5e6-96231b3b80d8
---
 utils/update_llc_test_checks.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/utils/update_llc_test_checks.py b/utils/update_llc_test_checks.py
index 02bcc2df5d7..73d9a6f963b 100755
--- a/utils/update_llc_test_checks.py
+++ b/utils/update_llc_test_checks.py
@@ -79,6 +79,7 @@ SCRUB_X86_SHUFFLES_RE = (
 SCRUB_X86_SP_RE = re.compile(r'\d+\(%(esp|rsp)\)')
 SCRUB_X86_RIP_RE = re.compile(r'[.\w]+\(%rip\)')
 SCRUB_X86_LCP_RE = re.compile(r'\.LCPI[0-9]+_[0-9]+')
+SCRUB_X86_RET_RE = re.compile(r'ret[l|q]')
 
 RUN_LINE_RE = re.compile('^\s*;\s*RUN:\s*(.*)$')
 TRIPLE_ARG_RE = re.compile(r'-mtriple=([^ ]+)')
@@ -101,6 +102,8 @@ def scrub_asm_x86(asm):
   asm = SCRUB_X86_RIP_RE.sub(r'{{.*}}(%rip)', asm)
   # Generically match a LCP symbol.
   asm = SCRUB_X86_LCP_RE.sub(r'{{\.LCPI.*}}', asm)
+  # Avoid generating different checks for 32- and 64-bit because of 'retl' vs 'retq'.
+  asm = SCRUB_X86_RET_RE.sub(r'ret{{[l|q]}}', asm)
   # Strip kill operands inserted into the asm.
   asm = SCRUB_KILL_COMMENT_RE.sub('', asm)
   # Strip trailing whitespace.
-- 
2.40.0