[llvm] 8e13bbc - [CodeGen] Use ListSeparator (NFC)

[Kazu Hirata via llvm-commits]

Author: Kazu Hirata
Date: 2021-02-17T23:58:43-08:00
New Revision: 8e13bbca0883d617156c9e09ddf46bfb5739f2cd

URL: https://github.com/llvm/llvm-project/commit/8e13bbca0883d617156c9e09ddf46bfb5739f2cd
DIFF: https://github.com/llvm/llvm-project/commit/8e13bbca0883d617156c9e09ddf46bfb5739f2cd.diff

LOG: [CodeGen] Use ListSeparator (NFC)

Added: 
    

Modified: 
    llvm/lib/CodeGen/GCMetadata.cpp

Removed: 
    


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diff  --git a/llvm/lib/CodeGen/GCMetadata.cpp b/llvm/lib/CodeGen/GCMetadata.cpp
index 7c96d838d992..01167c059676 100644
--- a/llvm/lib/CodeGen/GCMetadata.cpp
+++ b/llvm/lib/CodeGen/GCMetadata.cpp
@@ -12,6 +12,7 @@
 
 #include "llvm/CodeGen/GCMetadata.h"
 #include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/StringExtras.h"
 #include "llvm/CodeGen/GCStrategy.h"
 #include "llvm/CodeGen/Passes.h"
 #include "llvm/IR/Function.h"
@@ -122,14 +123,9 @@ bool Printer::runOnFunction(Function &F) {
     OS << "\t" << PI->Label->getName() << ": " << "post-call"
        << ", live = {";
 
-    for (GCFunctionInfo::live_iterator RI = FD->live_begin(PI),
-                                       RE = FD->live_end(PI);
-         ;) {
-      OS << " " << RI->Num;
-      if (++RI == RE)
-        break;
-      OS << ",";
-    }
+    ListSeparator LS(",");
+    for (const GCRoot &R : make_range(FD->live_begin(PI), FD->live_end(PI)))
+      OS << LS << " " << R.Num;
 
     OS << " }\n";
   }