[Alignment][NFC] TargetCallingConv::setOrigAlign and TargetLowering::getABIAlignmentForCallingConv

Summary:
This is patch is part of a series to introduce an Alignment type.
See this thread for context: http://lists.llvm.org/pipermail/llvm-dev/2019-July/133851.html
See this patch for the introduction of the type: https://reviews.llvm.org/D64790

Reviewers: courbet

Subscribers: sdardis, hiraditya, jrtc27, atanasyan, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D69243

llvm-svn: 375407
diff --git a/llvm/lib/CodeGen/GlobalISel/CallLowering.cpp b/llvm/lib/CodeGen/GlobalISel/CallLowering.cpp
index ed4d225..4d47ee3 100644
--- a/llvm/lib/CodeGen/GlobalISel/CallLowering.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/CallLowering.cpp
@@ -110,7 +110,7 @@
   }
   if (Attrs.hasAttribute(OpIdx, Attribute::Nest))
     Flags.setNest();
-  Flags.setOrigAlign(DL.getABITypeAlignment(Arg.Ty));
+  Flags.setOrigAlign(Align(DL.getABITypeAlignment(Arg.Ty)));
 }
 
 template void
@@ -235,7 +235,7 @@
             if (Part == 0) {
               Flags.setSplit();
             } else {
-              Flags.setOrigAlign(1);
+              Flags.setOrigAlign(Align::None());
               if (Part == NumParts - 1)
                 Flags.setSplitEnd();
             }
@@ -268,7 +268,7 @@
           if (PartIdx == 0) {
             Flags.setSplit();
           } else {
-            Flags.setOrigAlign(1);
+            Flags.setOrigAlign(Align::None());
             if (PartIdx == NumParts - 1)
               Flags.setSplitEnd();
           }
diff --git a/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp b/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp
index 23f57f2..c9521ed 100644
--- a/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp
@@ -1219,8 +1219,7 @@
       Flags.setNest();
     if (NeedsRegBlock)
       Flags.setInConsecutiveRegs();
-    unsigned OriginalAlignment = DL.getABITypeAlignment(Arg.Ty);
-    Flags.setOrigAlign(OriginalAlignment);
+    Flags.setOrigAlign(Align(DL.getABITypeAlignment(Arg.Ty)));
 
     CLI.OutVals.push_back(Arg.Val);
     CLI.OutFlags.push_back(Flags);
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 3d26345..dee9a9b 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -9109,7 +9109,7 @@
       // Certain targets (such as MIPS), may have a different ABI alignment
       // for a type depending on the context. Give the target a chance to
       // specify the alignment it wants.
-      unsigned OriginalAlignment = getABIAlignmentForCallingConv(ArgTy, DL);
+      const Align OriginalAlignment(getABIAlignmentForCallingConv(ArgTy, DL));
 
       if (Args[i].Ty->isPointerTy()) {
         Flags.setPointer();
@@ -9220,7 +9220,7 @@
         if (NumParts > 1 && j == 0)
           MyFlags.Flags.setSplit();
         else if (j != 0) {
-          MyFlags.Flags.setOrigAlign(1);
+          MyFlags.Flags.setOrigAlign(Align::None());
           if (j == NumParts - 1)
             MyFlags.Flags.setSplitEnd();
         }
@@ -9607,8 +9607,8 @@
       // Certain targets (such as MIPS), may have a different ABI alignment
       // for a type depending on the context. Give the target a chance to
       // specify the alignment it wants.
-      unsigned OriginalAlignment =
-          TLI->getABIAlignmentForCallingConv(ArgTy, DL);
+      const Align OriginalAlignment(
+          TLI->getABIAlignmentForCallingConv(ArgTy, DL));
 
       if (Arg.getType()->isPointerTy()) {
         Flags.setPointer();
@@ -9691,7 +9691,7 @@
           MyFlags.Flags.setSplit();
         // if it isn't first piece, alignment must be 1
         else if (i > 0) {
-          MyFlags.Flags.setOrigAlign(1);
+          MyFlags.Flags.setOrigAlign(Align::None());
           if (i == NumRegs - 1)
             MyFlags.Flags.setSplitEnd();
         }