From: Dan Gohman <gohman@apple.com>
Date: Mon, 14 Dec 2009 19:32:31 +0000 (+0000)
Subject: Micro-optimize these functions in the case where they are not inlined.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a4f8ecd85de38c14b11bbd0fc8cb9a427e9f3d75;p=oota-llvm.git

Micro-optimize these functions in the case where they are not inlined.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91316 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/Support/raw_ostream.h b/include/llvm/Support/raw_ostream.h
index a78e81fe955..2b3341dac64 100644
--- a/include/llvm/Support/raw_ostream.h
+++ b/include/llvm/Support/raw_ostream.h
@@ -186,14 +186,12 @@ public:
     // Inline fast path, particulary for constant strings where a sufficiently
     // smart compiler will simplify strlen.
 
-    this->operator<<(StringRef(Str));
-    return *this;
+    return this->operator<<(StringRef(Str));
   }
 
   raw_ostream &operator<<(const std::string &Str) {
     // Avoid the fast path, it would only increase code size for a marginal win.
-    write(Str.data(), Str.length());
-    return *this;
+    return write(Str.data(), Str.length());
   }
 
   raw_ostream &operator<<(unsigned long N);
@@ -202,13 +200,11 @@ public:
   raw_ostream &operator<<(long long N);
   raw_ostream &operator<<(const void *P);
   raw_ostream &operator<<(unsigned int N) {
-    this->operator<<(static_cast<unsigned long>(N));
-    return *this;
+    return this->operator<<(static_cast<unsigned long>(N));
   }
 
   raw_ostream &operator<<(int N) {
-    this->operator<<(static_cast<long>(N));
-    return *this;
+    return this->operator<<(static_cast<long>(N));
   }
 
   raw_ostream &operator<<(double N);
diff --git a/lib/Support/raw_ostream.cpp b/lib/Support/raw_ostream.cpp
index 31451ccfdb1..0c90e7720bf 100644
--- a/lib/Support/raw_ostream.cpp
+++ b/lib/Support/raw_ostream.cpp
@@ -209,8 +209,7 @@ raw_ostream &raw_ostream::operator<<(const void *P) {
 }
 
 raw_ostream &raw_ostream::operator<<(double N) {
-  this->operator<<(ftostr(N));
-  return *this;
+  return this->operator<<(ftostr(N));
 }