From 66b17ba0d263442b8b4e82aaa08acc0df85e1787 Mon Sep 17 00:00:00 2001
From: Owen Anderson <resistor@mac.com>
Date: Thu, 21 Aug 2008 20:58:52 +0000
Subject: Move non-trivial methods out of line to avoid code-size bloat.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55138 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Support/raw_ostream.cpp | 92 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)

(limited to 'lib')

diff --git a/lib/Support/raw_ostream.cpp b/lib/Support/raw_ostream.cpp
index 39686cbcc6..b1209a2da7 100644
--- a/lib/Support/raw_ostream.cpp
+++ b/lib/Support/raw_ostream.cpp
@@ -33,6 +33,98 @@ using namespace llvm;
 // An out of line virtual method to provide a home for the class vtable.
 void raw_ostream::handle() {}
 
+raw_ostream &raw_ostream::operator<<(unsigned long N) {
+  // Zero is a special case.
+  if (N == 0)
+    return *this << '0';
+  
+  char NumberBuffer[20];
+  char *EndPtr = NumberBuffer+sizeof(NumberBuffer);
+  char *CurPtr = EndPtr;
+  
+  while (N) {
+    *--CurPtr = '0' + char(N % 10);
+    N /= 10;
+  }
+  return write(CurPtr, EndPtr-CurPtr);
+}
+
+raw_ostream &raw_ostream::operator<<(long N) {
+  if (N <  0) {
+    if (OutBufCur >= OutBufEnd)
+      flush_impl();
+    *OutBufCur++ = '-';
+    
+    N = -N;
+  }
+  
+  return this->operator<<(static_cast<unsigned long>(N));
+}
+
+raw_ostream &raw_ostream::operator<<(unsigned long long N) {
+  // Zero is a special case.
+  if (N == 0)
+    return *this << '0';
+  
+  char NumberBuffer[20];
+  char *EndPtr = NumberBuffer+sizeof(NumberBuffer);
+  char *CurPtr = EndPtr;
+  
+  while (N) {
+    *--CurPtr = '0' + char(N % 10);
+    N /= 10;
+  }
+  return write(CurPtr, EndPtr-CurPtr);
+}
+
+raw_ostream &raw_ostream::operator<<(long long N) {
+  if (N <  0) {
+    if (OutBufCur >= OutBufEnd)
+      flush_impl();
+    *OutBufCur++ = '-';
+    
+    N = -N;
+  }
+  
+  return this->operator<<(static_cast<unsigned long long>(N));
+}
+
+raw_ostream &raw_ostream::write(const char *Ptr, unsigned Size) {
+  if (OutBufCur+Size > OutBufEnd)
+    flush_impl();
+  
+  // Handle short strings specially, memcpy isn't very good at very short
+  // strings.
+  switch (Size) {
+  case 4: OutBufCur[3] = Ptr[3]; // FALL THROUGH
+  case 3: OutBufCur[2] = Ptr[2]; // FALL THROUGH
+  case 2: OutBufCur[1] = Ptr[1]; // FALL THROUGH
+  case 1: OutBufCur[0] = Ptr[0]; // FALL THROUGH
+  case 0: break;
+  default:
+    // Normally the string to emit is shorter than the buffer.
+    if (Size <= unsigned(OutBufEnd-OutBufStart)) {
+      memcpy(OutBufCur, Ptr, Size);
+      break;
+    }
+
+    // If emitting a string larger than our buffer, emit in chunks.  In this
+    // case we know that we just flushed the buffer.
+    while (Size) {
+      unsigned NumToEmit = OutBufEnd-OutBufStart;
+      if (Size < NumToEmit) NumToEmit = Size;
+      assert(OutBufCur == OutBufStart);
+      memcpy(OutBufStart, Ptr, NumToEmit);
+      Ptr += NumToEmit;
+      OutBufCur = OutBufStart + NumToEmit;
+      flush_impl();
+    }
+    break;
+  }
+  OutBufCur += Size;
+  return *this;
+}
+
 //===----------------------------------------------------------------------===//
 //  raw_fd_ostream
 //===----------------------------------------------------------------------===//
-- 
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