[llvm] [TargetParser] Use StringRef::consume_back (NFC) (PR #139416)

[Kazu Hirata via llvm-commits]

https://github.com/kazutakahirata created https://github.com/llvm/llvm-project/pull/139416

None

>From 6f9aab8b168952597926949a834099f68e19a525 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu at google.com>
Date: Sat, 10 May 2025 16:11:58 -0700
Subject: [PATCH] [TargetParser] Use StringRef::consume_back (NFC)

---
 llvm/lib/TargetParser/ARMTargetParserCommon.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/llvm/lib/TargetParser/ARMTargetParserCommon.cpp b/llvm/lib/TargetParser/ARMTargetParserCommon.cpp
index e2ed8df78f95e..89d5e0d320f86 100644
--- a/llvm/lib/TargetParser/ARMTargetParserCommon.cpp
+++ b/llvm/lib/TargetParser/ARMTargetParserCommon.cpp
@@ -82,9 +82,9 @@ StringRef ARM::getCanonicalArchName(StringRef Arch) {
   // Ex. "armebv7", move past the "eb".
   if (offset != StringRef::npos && A.substr(offset, 2) == "eb")
     offset += 2;
-  // Or, if it ends with eb ("armv7eb"), chop it off.
-  else if (A.ends_with("eb"))
-    A = A.substr(0, A.size() - 2);
+  else
+    // Or, if it ends with eb ("armv7eb"), chop it off.
+    A.consume_back("eb");
   // Trim the head
   if (offset != StringRef::npos)
     A = A.substr(offset);