From 2766e4d4886c47a310b323c8f400162f6dd9b046 Mon Sep 17 00:00:00 2001
From: "Duncan P. N. Exon Smith" <dexonsmith@apple.com>
Date: Sun, 27 Mar 2016 23:22:31 +0000
Subject: BitcodeWriter: Simplify tracking of function-local metadata, NFC

We don't really need a separate vector here; instead, point at a range
inside the main MDs array.  This matches how r264551 references the
ranges of strings and non-strings.

llvm-svn: 264552
---
 llvm/lib/Bitcode/Writer/BitcodeWriter.cpp | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

(limited to 'llvm/lib/Bitcode/Writer/BitcodeWriter.cpp')

diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
index 80da91a..08724bd 100644
--- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -1431,15 +1431,13 @@ static void WriteFunctionLocalMetadata(const Function &F,
                                        BitstreamWriter &Stream) {
   bool StartedMetadataBlock = false;
   SmallVector<uint64_t, 64> Record;
-  const SmallVectorImpl<const LocalAsMetadata *> &MDs =
-      VE.getFunctionLocalMDs();
-  for (unsigned i = 0, e = MDs.size(); i != e; ++i) {
-    assert(MDs[i] && "Expected valid function-local metadata");
+  for (const Metadata *MD : VE.getFunctionMDs()) {
+    auto *Local = cast<LocalAsMetadata>(MD);
     if (!StartedMetadataBlock) {
       Stream.EnterSubblock(bitc::METADATA_BLOCK_ID, 3);
       StartedMetadataBlock = true;
     }
-    WriteValueAsMetadata(MDs[i], VE, Stream, Record);
+    WriteValueAsMetadata(Local, VE, Stream, Record);
   }
 
   if (StartedMetadataBlock)
-- 
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