Update for LLVM function name change.

llvm-svn: 257802
diff --git a/clang/lib/CodeGen/CGExprConstant.cpp b/clang/lib/CodeGen/CGExprConstant.cpp
index ee049f1..2aed3bb 100644
--- a/clang/lib/CodeGen/CGExprConstant.cpp
+++ b/clang/lib/CodeGen/CGExprConstant.cpp
@@ -111,7 +111,7 @@
 
   // Round up the field offset to the alignment of the field type.
   CharUnits AlignedNextFieldOffsetInChars =
-      NextFieldOffsetInChars.RoundUpToAlignment(FieldAlignment);
+      NextFieldOffsetInChars.alignTo(FieldAlignment);
 
   if (AlignedNextFieldOffsetInChars < FieldOffsetInChars) {
     // We need to append padding.
@@ -121,7 +121,7 @@
            "Did not add enough padding!");
 
     AlignedNextFieldOffsetInChars =
-        NextFieldOffsetInChars.RoundUpToAlignment(FieldAlignment);
+        NextFieldOffsetInChars.alignTo(FieldAlignment);
   }
 
   if (AlignedNextFieldOffsetInChars > FieldOffsetInChars) {
@@ -162,8 +162,8 @@
   if (FieldOffset > NextFieldOffsetInBits) {
     // We need to add padding.
     CharUnits PadSize = Context.toCharUnitsFromBits(
-      llvm::RoundUpToAlignment(FieldOffset - NextFieldOffsetInBits, 
-                               Context.getTargetInfo().getCharAlign()));
+        llvm::alignTo(FieldOffset - NextFieldOffsetInBits,
+                      Context.getTargetInfo().getCharAlign()));
 
     AppendPadding(PadSize);
   }
@@ -334,7 +334,7 @@
     CharUnits ElementAlign = CharUnits::fromQuantity(
       CGM.getDataLayout().getABITypeAlignment(C->getType()));
     CharUnits AlignedElementOffsetInChars =
-      ElementOffsetInChars.RoundUpToAlignment(ElementAlign);
+        ElementOffsetInChars.alignTo(ElementAlign);
 
     if (AlignedElementOffsetInChars > ElementOffsetInChars) {
       // We need some padding.
@@ -508,13 +508,12 @@
   } else {
     // Append tail padding if necessary.
     CharUnits LLVMSizeInChars =
-        NextFieldOffsetInChars.RoundUpToAlignment(LLVMStructAlignment);
+        NextFieldOffsetInChars.alignTo(LLVMStructAlignment);
 
     if (LLVMSizeInChars != LayoutSizeInChars)
       AppendTailPadding(LayoutSizeInChars);
 
-    LLVMSizeInChars =
-        NextFieldOffsetInChars.RoundUpToAlignment(LLVMStructAlignment);
+    LLVMSizeInChars = NextFieldOffsetInChars.alignTo(LLVMStructAlignment);
 
     // Check if we need to convert the struct to a packed struct.
     if (NextFieldOffsetInChars <= LayoutSizeInChars &&
@@ -526,8 +525,7 @@
              "Converting to packed did not help!");
     }
 
-    LLVMSizeInChars =
-        NextFieldOffsetInChars.RoundUpToAlignment(LLVMStructAlignment);
+    LLVMSizeInChars = NextFieldOffsetInChars.alignTo(LLVMStructAlignment);
 
     assert(LayoutSizeInChars == LLVMSizeInChars &&
            "Tail padding mismatch!");
@@ -546,8 +544,9 @@
 
   llvm::Constant *Result = llvm::ConstantStruct::get(STy, Elements);
 
-  assert(NextFieldOffsetInChars.RoundUpToAlignment(getAlignment(Result)) ==
-         getSizeInChars(Result) && "Size mismatch!");
+  assert(NextFieldOffsetInChars.alignTo(getAlignment(Result)) ==
+             getSizeInChars(Result) &&
+         "Size mismatch!");
 
   return Result;
 }