Revert formatting changes.

This reverts r288425 and r284428 as they are causing test crashes
on some systems.

llvm-svn: 284429
diff --git a/llvm/lib/Support/raw_ostream.cpp b/llvm/lib/Support/raw_ostream.cpp
index b040e0a..8101bc1 100644
--- a/llvm/lib/Support/raw_ostream.cpp
+++ b/llvm/lib/Support/raw_ostream.cpp
@@ -114,27 +114,27 @@
 }
 
 raw_ostream &raw_ostream::operator<<(unsigned long N) {
-  write_ulong(*this, N, IntegerStyle::Integer);
+  write_ulong(*this, N, 0);
   return *this;
 }
 
 raw_ostream &raw_ostream::operator<<(long N) {
-  write_long(*this, N, IntegerStyle::Integer);
+  write_long(*this, N, 0);
   return *this;
 }
 
 raw_ostream &raw_ostream::operator<<(unsigned long long N) {
-  write_ulonglong(*this, N, IntegerStyle::Integer);
+  write_ulonglong(*this, N, 0);
   return *this;
 }
 
 raw_ostream &raw_ostream::operator<<(long long N) {
-  write_longlong(*this, N, IntegerStyle::Integer);
+  write_longlong(*this, N, 0);
   return *this;
 }
 
 raw_ostream &raw_ostream::write_hex(unsigned long long N) {
-  llvm::write_hex(*this, N, HexStyle::Lower);
+  llvm::write_hex(*this, N, 0, false, false);
   return *this;
 }
 
@@ -179,12 +179,12 @@
 }
 
 raw_ostream &raw_ostream::operator<<(const void *P) {
-  llvm::write_hex(*this, (uintptr_t)P, HexStyle::PrefixLower);
+  llvm::write_hex(*this, (uintptr_t)P, 0, false, true);
   return *this;
 }
 
 raw_ostream &raw_ostream::operator<<(double N) {
-  llvm::write_double(*this, N, FloatStyle::Exponent);
+  llvm::write_double(*this, N, 0, 0, FloatStyle::Exponent);
   return *this;
 }
 
@@ -331,19 +331,9 @@
 
 raw_ostream &raw_ostream::operator<<(const FormattedNumber &FN) {
   if (FN.Hex) {
-    HexStyle Style;
-    if (FN.Upper && FN.HexPrefix)
-      Style = HexStyle::PrefixUpper;
-    else if (FN.Upper && !FN.HexPrefix)
-      Style = HexStyle::Upper;
-    else if (!FN.Upper && FN.HexPrefix)
-      Style = HexStyle::PrefixLower;
-    else
-      Style = HexStyle::Lower;
-    llvm::write_hex(*this, FN.HexValue, Style, FN.Width, None);
+    llvm::write_hex(*this, FN.HexValue, FN.Width, FN.Upper, FN.HexPrefix);
   } else {
-    llvm::write_longlong(*this, FN.DecValue, IntegerStyle::Integer, None,
-                         FN.Width);
+    llvm::write_longlong(*this, FN.DecValue, FN.Width);
   }
   return *this;
 }