Allow SMUL_LOHI and UMUL_LOHI to be narrow to MUL on targets where MUL is Custom...

[oota-llvm.git] / lib / Object / ELFObjectFile.cpp

diff --git a/lib/Object/ELFObjectFile.cpp b/lib/Object/ELFObjectFile.cpp
index 2c8c1b16d11c1f6aa461e136aeadb0a175c23646..15bc6be0b46e7971dc3b7b60ac2f98010cbdf3a3 100644 (file)
--- a/lib/Object/ELFObjectFile.cpp
+++ b/lib/Object/ELFObjectFile.cpp
@@ -11,11 +11,10 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/Object/ELF.h"
+#include "llvm/Object/ELFObjectFile.h"
 #include "llvm/Support/MathExtras.h"
 
 namespace llvm {
-
 using namespace object;
 
 // Creates an in-memory object-file by default: createELFObjectFile(Buffer)
@@ -24,34 +23,46 @@ ObjectFile *ObjectFile::createELFObjectFile(MemoryBuffer *Object) {
   error_code ec;
 
   std::size_t MaxAlignment =
-    1ULL << CountTrailingZeros_64(uintptr_t(Object->getBufferStart()));
+    1ULL << countTrailingZeros(uintptr_t(Object->getBufferStart()));
 
   if (Ident.first == ELF::ELFCLASS32 && Ident.second == ELF::ELFDATA2LSB)
+#if !LLVM_IS_UNALIGNED_ACCESS_FAST
     if (MaxAlignment >= 4)
-      return new ELFObjectFile<support::little, 4, false>(Object, ec);
-    else if (MaxAlignment >= 2)
-      return new ELFObjectFile<support::little, 2, false>(Object, ec);
+      return new ELFObjectFile<ELFType<support::little, 4, false> >(Object, ec);
+    else
+#endif
+    if (MaxAlignment >= 2)
+      return new ELFObjectFile<ELFType<support::little, 2, false> >(Object, ec);
     else
       llvm_unreachable("Invalid alignment for ELF file!");
   else if (Ident.first == ELF::ELFCLASS32 && Ident.second == ELF::ELFDATA2MSB)
+#if !LLVM_IS_UNALIGNED_ACCESS_FAST
     if (MaxAlignment >= 4)
-      return new ELFObjectFile<support::big, 4, false>(Object, ec);
-    else if (MaxAlignment >= 2)
-      return new ELFObjectFile<support::big, 2, false>(Object, ec);
+      return new ELFObjectFile<ELFType<support::big, 4, false> >(Object, ec);
+    else
+#endif
+    if (MaxAlignment >= 2)
+      return new ELFObjectFile<ELFType<support::big, 2, false> >(Object, ec);
     else
       llvm_unreachable("Invalid alignment for ELF file!");
   else if (Ident.first == ELF::ELFCLASS64 && Ident.second == ELF::ELFDATA2MSB)
+#if !LLVM_IS_UNALIGNED_ACCESS_FAST
     if (MaxAlignment >= 8)
-      return new ELFObjectFile<support::big, 8, true>(Object, ec);
-    else if (MaxAlignment >= 2)
-      return new ELFObjectFile<support::big, 2, true>(Object, ec);
+      return new ELFObjectFile<ELFType<support::big, 8, true> >(Object, ec);
+    else
+#endif
+    if (MaxAlignment >= 2)
+      return new ELFObjectFile<ELFType<support::big, 2, true> >(Object, ec);
     else
       llvm_unreachable("Invalid alignment for ELF file!");
   else if (Ident.first == ELF::ELFCLASS64 && Ident.second == ELF::ELFDATA2LSB) {
+#if !LLVM_IS_UNALIGNED_ACCESS_FAST
     if (MaxAlignment >= 8)
-      return new ELFObjectFile<support::little, 8, true>(Object, ec);
-    else if (MaxAlignment >= 2)
-      return new ELFObjectFile<support::little, 2, true>(Object, ec);
+      return new ELFObjectFile<ELFType<support::little, 8, true> >(Object, ec);
+    else
+#endif
+    if (MaxAlignment >= 2)
+      return new ELFObjectFile<ELFType<support::little, 2, true> >(Object, ec);
     else
       llvm_unreachable("Invalid alignment for ELF file!");
   }