commit d2b418bfe2f568065d98b428e54d94cadb4d2437
author Zachary Turner <zturner@google.com> Wed May 17 20:42:52 2017 +0000
committer Zachary Turner <zturner@google.com> Wed May 17 20:42:52 2017 +0000
tree eee4db202f243f9fe8038f6329ce08ffd75c16e3
parent 98f2946ab3eb128ef2bd2c5e63585bff9a0cc68f

Add some helpers for manipulating BinaryStreamRefs.

llvm-svn: 303297

llvm/lib/Support/BinaryStreamReader.cpp

diff --git a/llvm/lib/Support/BinaryStreamReader.cpp b/llvm/lib/Support/BinaryStreamReader.cpp
index 6b14890..5c27744 100644
--- a/llvm/lib/Support/BinaryStreamReader.cpp
+++ b/llvm/lib/Support/BinaryStreamReader.cpp
@@ -95,6 +95,11 @@
   return Error::success();
 }
 
+Error BinaryStreamReader::padToAlignment(uint32_t Align) {
+  uint32_t NewOffset = alignTo(Offset, Align);
+  return skip(NewOffset - Offset);
+}
+
 uint8_t BinaryStreamReader::peek() const {
   ArrayRef<uint8_t> Buffer;
   auto EC = Stream.readBytes(Offset, 1, Buffer);