[llvm] [NFC] simplify LowerAllowCheckPass::printPipeline (PR #149374)

[Florian Mayer via llvm-commits]

https://github.com/fmayer created https://github.com/llvm/llvm-project/pull/149374

None

>From 9493f90d6d5acde778bec1522b1f47d4d323b8ff Mon Sep 17 00:00:00 2001
From: Florian Mayer <fmayer at google.com>
Date: Thu, 17 Jul 2025 11:23:24 -0700
Subject: [PATCH] =?UTF-8?q?[=F0=9D=98=80=F0=9D=97=BD=F0=9D=97=BF]=20initia?=
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Created using spr 1.3.4
---
 .../Instrumentation/LowerAllowCheckPass.cpp   | 19 ++++++-------------
 1 file changed, 6 insertions(+), 13 deletions(-)

diff --git a/llvm/lib/Transforms/Instrumentation/LowerAllowCheckPass.cpp b/llvm/lib/Transforms/Instrumentation/LowerAllowCheckPass.cpp
index e7a6fa48e9004..55f3239ada100 100644
--- a/llvm/lib/Transforms/Instrumentation/LowerAllowCheckPass.cpp
+++ b/llvm/lib/Transforms/Instrumentation/LowerAllowCheckPass.cpp
@@ -10,6 +10,7 @@
 
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/Statistic.h"
+#include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Analysis/OptimizationRemarkEmitter.h"
 #include "llvm/Analysis/ProfileSummaryInfo.h"
@@ -184,22 +185,14 @@ void LowerAllowCheckPass::printPipeline(
   // correctness.
   // TODO: print shorter output by combining adjacent runs, etc.
   int i = 0;
-  bool printed = false;
+  ListSeparator LS(";");
   for (unsigned int cutoff : Opts.cutoffs) {
-    if (cutoff > 0) {
-      if (printed)
-        OS << ";";
-      OS << "cutoffs[" << i << "]=" << cutoff;
-      printed = true;
-    }
-
+    if (cutoff > 0)
+      OS << LS << "cutoffs[" << i << "]=" << cutoff;
     i++;
   }
-  if (Opts.runtime_check) {
-    if (printed)
-      OS << ";";
-    OS << "runtime_check=" << Opts.runtime_check;
-  }
+  if (Opts.runtime_check)
+    OS << LS << "runtime_check=" << Opts.runtime_check;
 
   OS << '>';
 }