[llvm] 3be989e - [FileCheck] Use StringRef::rtrim (NFC)

[Kazu Hirata via llvm-commits]

Author: Kazu Hirata
Date: 2024-02-03T21:43:03-08:00
New Revision: 3be989e8c30f3cad61e5e1fa54199fc45edf7ff7

URL: https://github.com/llvm/llvm-project/commit/3be989e8c30f3cad61e5e1fa54199fc45edf7ff7
DIFF: https://github.com/llvm/llvm-project/commit/3be989e8c30f3cad61e5e1fa54199fc45edf7ff7.diff

LOG: [FileCheck] Use StringRef::rtrim (NFC)

Added: 
    

Modified: 
    llvm/lib/FileCheck/FileCheck.cpp

Removed: 
    


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diff  --git a/llvm/lib/FileCheck/FileCheck.cpp b/llvm/lib/FileCheck/FileCheck.cpp
index 0d5bdf7903a20..221fcffa5e8c7 100644
--- a/llvm/lib/FileCheck/FileCheck.cpp
+++ b/llvm/lib/FileCheck/FileCheck.cpp
@@ -766,9 +766,7 @@ bool Pattern::parsePattern(StringRef PatternStr, StringRef Prefix,
 
   if (!(Req.NoCanonicalizeWhiteSpace && Req.MatchFullLines))
     // Ignore trailing whitespace.
-    while (!PatternStr.empty() &&
-           (PatternStr.back() == ' ' || PatternStr.back() == '\t'))
-      PatternStr = PatternStr.substr(0, PatternStr.size() - 1);
+    PatternStr = PatternStr.rtrim(" \t");
 
   // Check that there is something on the line.
   if (PatternStr.empty() && CheckTy != Check::CheckEmpty) {