[llvm] 5eed019 - [TableGen] Use std::copy instead of a manual copy loop. NFC

[Craig Topper via llvm-commits]

Author: Craig Topper
Date: 2025-02-06T00:47:18-08:00
New Revision: 5eed019080a53af5a5be915a5cf411466b77bf4b

URL: https://github.com/llvm/llvm-project/commit/5eed019080a53af5a5be915a5cf411466b77bf4b
DIFF: https://github.com/llvm/llvm-project/commit/5eed019080a53af5a5be915a5cf411466b77bf4b.diff

LOG: [TableGen] Use std::copy instead of a manual copy loop. NFC

Added: 
    

Modified: 
    llvm/utils/TableGen/DAGISelMatcherOpt.cpp

Removed: 
    


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diff  --git a/llvm/utils/TableGen/DAGISelMatcherOpt.cpp b/llvm/utils/TableGen/DAGISelMatcherOpt.cpp
index 713092c431b07d..42cc5655c3baeb 100644
--- a/llvm/utils/TableGen/DAGISelMatcherOpt.cpp
+++ b/llvm/utils/TableGen/DAGISelMatcherOpt.cpp
@@ -306,13 +306,8 @@ static void FactorScope(std::unique_ptr<Matcher> &MatcherPtr) {
 
     // If we removed any equal matchers, we may need to slide the rest of the
     // elements down for the next iteration of the outer loop.
-    if (J != K) {
-      while (J != E)
-        *K++ = *J++;
-
-      // Update end pointer for outer loop.
-      E = K;
-    }
+    if (J != K)
+      E = std::copy(J, E, K);
 
     // If we only found one option starting with this matcher, no factoring is
     // possible. Put the Matcher back in OptionsToMatch.