Remove host endianness info from TargetData and

put it in a new header System/Host.h instead.
Instead of getting the endianness from configure,
calculate it directly.

llvm-svn: 44959

2 files changed, 3 insertions, 11 deletions

diff --git a/llvm/lib/ExecutionEngine/ExecutionEngine.cpp b/llvm/lib/ExecutionEngine/ExecutionEngine.cpp
index 2c7a7dd1443..521e4233657 100644
--- a/llvm/lib/ExecutionEngine/ExecutionEngine.cpp
+++ b/llvm/lib/ExecutionEngine/ExecutionEngine.cpp
@@ -23,6 +23,7 @@
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/MutexGuard.h"
 #include "llvm/System/DynamicLibrary.h"
+#include "llvm/System/Host.h"
 #include "llvm/Target/TargetData.h"
 #include <math.h>
 using namespace llvm;
@@ -637,7 +638,7 @@ void ExecutionEngine::StoreValueToMemory(const GenericValue &Val, GenericValue *
     uint8_t *Src = (uint8_t *)Val.IntVal.getRawData();
     uint8_t *Dst = (uint8_t *)Ptr;
 
-    if (getTargetData()->hostIsLittleEndian())
+    if (sys::littleEndianHost())
       // Little-endian host - the source is ordered from LSB to MSB.
       // Order the destination from LSB to MSB: Do a straight copy.
       memcpy(Dst, Src, StoreBytes);
@@ -698,7 +699,7 @@ void ExecutionEngine::LoadValueFromMemory(GenericValue &Result,
     uint8_t *Src = (uint8_t *)Ptr;
     uint8_t *Dst = (uint8_t *)Result.IntVal.getRawData();
 
-    if (getTargetData()->hostIsLittleEndian())
+    if (sys::littleEndianHost())
       // Little-endian host - the destination must be ordered from LSB to MSB.
       // The source is ordered from LSB to MSB: Do a straight copy.
       memcpy(Dst, Src, LoadBytes);
diff --git a/llvm/lib/Target/TargetData.cpp b/llvm/lib/Target/TargetData.cpp
index 49298054735..8c466543fac 100644
--- a/llvm/lib/Target/TargetData.cpp
+++ b/llvm/lib/Target/TargetData.cpp
@@ -25,7 +25,6 @@
 #include "llvm/Support/ManagedStatic.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/StringExtras.h"
-#include "llvm/Config/config.h"
 #include <algorithm>
 #include <cstdlib>
 #include <sstream>
@@ -133,14 +132,6 @@ const TargetAlignElem TargetData::InvalidAlignmentElem =
 //                       TargetData Class Implementation
 //===----------------------------------------------------------------------===//
 
-bool TargetData::hostIsLittleEndian() const {
-#ifdef LSB_FIRST
-  return true;
-#else
-  return false;
-#endif
-}
-
 /*!
  A TargetDescription string consists of a sequence of hyphen-delimited
  specifiers for target endianness, pointer size and alignments, and various