Implement "AsCheapAsAMove" for some obviously cheap instructions: xor and the

[oota-llvm.git] / lib / Target / TargetData.cpp

diff --git a/lib/Target/TargetData.cpp b/lib/Target/TargetData.cpp
index 64332a0df56e50f874f207dfa35b048d0868c6f7..69a8ca902b4285407f248670a7ea3790ee799e95 100644 (file)
--- a/lib/Target/TargetData.cpp
+++ b/lib/Target/TargetData.cpp
@@ -27,14 +27,13 @@
 #include "llvm/ADT/StringExtras.h"
 #include <algorithm>
 #include <cstdlib>
-#include <sstream>
 using namespace llvm;
 
 // Handle the Pass registration stuff necessary to use TargetData's.
-namespace {
-  // Register the default SparcV9 implementation...
-  RegisterPass<TargetData> X("targetdata", "Target Data Layout");
-}
+
+// Register the default SparcV9 implementation...
+static RegisterPass<TargetData> X("targetdata", "Target Data Layout", false, 
+                                  true);
 char TargetData::ID = 0;
 
 //===----------------------------------------------------------------------===//
@@ -318,6 +317,8 @@ unsigned TargetData::getAlignmentInfo(AlignTypeEnum AlignType,
                  : Alignments[BestMatchIdx].PrefAlign;
 }
 
+namespace {
+
 /// LayoutInfo - The lazy cache of structure layout information maintained by
 /// TargetData.  Note that the struct types must have been free'd before
 /// llvm_shutdown is called (and thus this is deallocated) because all the
@@ -342,8 +343,10 @@ struct DenseMapLayoutKeyInfo {
 };
 
 typedef DenseMap<LayoutKey, StructLayout*, DenseMapLayoutKeyInfo> LayoutInfoTy;
-static ManagedStatic<LayoutInfoTy> LayoutInfo;
 
+}
+
+static ManagedStatic<LayoutInfoTy> LayoutInfo;
 
 TargetData::~TargetData() {
   if (LayoutInfo.isConstructed()) {