Revert 165732 for further review.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165747 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 12 insertions, 4 deletions

diff --git a/include/llvm/DataLayout.h b/include/llvm/DataLayout.h
index c9ac0b7fea..a24737e842 100644
--- a/include/llvm/DataLayout.h
+++ b/include/llvm/DataLayout.h
@@ -231,7 +231,9 @@ public:
   }
 
   /// Layout pointer alignment
-  unsigned getPointerABIAlignment(unsigned AS)  const {
+  /// FIXME: The defaults need to be removed once all of
+  /// the backends/clients are updated.
+  unsigned getPointerABIAlignment(unsigned AS = 0)  const {
     DenseMap<unsigned, PointerAlignElem>::const_iterator val = Pointers.find(AS);
     if (val == Pointers.end()) {
       val = Pointers.find(0);
@@ -239,7 +241,9 @@ public:
     return val->second.ABIAlign;
   }
   /// Return target's alignment for stack-based pointers
-  unsigned getPointerPrefAlignment(unsigned AS) const {
+  /// FIXME: The defaults need to be removed once all of
+  /// the backends/clients are updated.
+  unsigned getPointerPrefAlignment(unsigned AS = 0) const {
     DenseMap<unsigned, PointerAlignElem>::const_iterator val = Pointers.find(AS);
     if (val == Pointers.end()) {
       val = Pointers.find(0);
@@ -247,7 +251,9 @@ public:
     return val->second.PrefAlign;
   }
   /// Layout pointer size
-  unsigned getPointerSize(unsigned AS)          const {
+  /// FIXME: The defaults need to be removed once all of
+  /// the backends/clients are updated.
+  unsigned getPointerSize(unsigned AS = 0)          const {
     DenseMap<unsigned, PointerAlignElem>::const_iterator val = Pointers.find(AS);
     if (val == Pointers.end()) {
       val = Pointers.find(0);
@@ -255,7 +261,9 @@ public:
     return val->second.TypeBitWidth;
   }
   /// Layout pointer size, in bits
-  unsigned getPointerSizeInBits(unsigned AS)    const {
+  /// FIXME: The defaults need to be removed once all of
+  /// the backends/clients are updated.
+  unsigned getPointerSizeInBits(unsigned AS = 0)    const {
     DenseMap<unsigned, PointerAlignElem>::const_iterator val = Pointers.find(AS);
     if (val == Pointers.end()) {
       val = Pointers.find(0);