Use getPreferredAlignmentLog.

llvm-svn: 25980
diff --git a/llvm/lib/Target/X86/X86AsmPrinter.cpp b/llvm/lib/Target/X86/X86AsmPrinter.cpp
index f3505fb..1e42664 100644
--- a/llvm/lib/Target/X86/X86AsmPrinter.cpp
+++ b/llvm/lib/Target/X86/X86AsmPrinter.cpp
@@ -92,7 +92,7 @@
     std::string name = Mang->getValueName(I);
     Constant *C = I->getInitializer();
     unsigned Size = TD.getTypeSize(C->getType());
-    unsigned Align = TD.getTypeAlignmentShift(C->getType());
+    unsigned Align = getPreferredAlignmentLog(I);
 
     switch (I->getLinkage()) {
     default: assert(0 && "Unknown linkage type!");