commit 13031413f9f77bdedb0831dc2ce527278de45665
author Kazu Hirata <kazu@google.com> Tue Feb 16 23:23:05 2021 -0800
committer Copybara-Service <copybara-worker@google.com> Fri Feb 19 03:01:20 2021 -0800
tree f529a726e0da9647a1ce95aa18ebab05dae54682
parent ada6f0ab2be2e74aa5ff6c7aa6d31046f46b09d5

[SCEV] Use ListSeparator (NFC)

GitOrigin-RevId: df35a183d7d447aa4f452ec1c56f9f04d4c02ee7

lib/Analysis/ScalarEvolution.cpp

diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp
index 13b07d7..c6152f3 100644
--- a/lib/Analysis/ScalarEvolution.cpp
+++ b/lib/Analysis/ScalarEvolution.cpp
@@ -321,12 +321,9 @@
       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: