[llvm] df35a18 - [SCEV] Use ListSeparator (NFC)

[Kazu Hirata via llvm-commits]

Author: Kazu Hirata
Date: 2021-02-16T23:23:05-08:00
New Revision: df35a183d7d447aa4f452ec1c56f9f04d4c02ee7

URL: https://github.com/llvm/llvm-project/commit/df35a183d7d447aa4f452ec1c56f9f04d4c02ee7
DIFF: https://github.com/llvm/llvm-project/commit/df35a183d7d447aa4f452ec1c56f9f04d4c02ee7.diff

LOG: [SCEV] Use ListSeparator (NFC)

Added: 
    

Modified: 
    llvm/lib/Analysis/ScalarEvolution.cpp

Removed: 
    


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diff  --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
index 13b07d74e52e..c6152f3deb1a 100644
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -321,12 +321,9 @@ void SCEV::print(raw_ostream &OS) const {
       llvm_unreachable("There are no other nary expression types.");
     }
     OS << "(";
-    for (SCEVNAryExpr::op_iterator I = NAry->op_begin(), E = NAry->op_end();
-         I != E; ++I) {
-      OS << **I;
-      if (std::next(I) != E)
-        OS << OpStr;
-    }
+    ListSeparator LS(OpStr);
+    for (const SCEV *Op : NAry->operands())
+      OS << LS << *Op;
     OS << ")";
     switch (NAry->getSCEVType()) {
     case scAddExpr: