From: Chris Lattner <sabre@nondot.org>
Date: Tue, 29 Oct 2002 21:47:50 +0000 (+0000)
Subject: Implement findOptimalStorageSize a bit more generally
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=62eaf7ef60f607112f54580df6d0e8ced4ef9e62;p=oota-llvm.git

Implement findOptimalStorageSize a bit more generally


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4416 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/TargetMachine.cpp b/lib/Target/TargetMachine.cpp
index 2d0d330d8db..f50580332a6 100644
--- a/lib/Target/TargetMachine.cpp
+++ b/lib/Target/TargetMachine.cpp
@@ -25,21 +25,13 @@
 //   space equal to optSizeForSubWordData, and all other primitive data
 //   items use space according to the type.
 //   
-unsigned int
-TargetMachine::findOptimalStorageSize(const Type* ty) const
-{
-  switch(ty->getPrimitiveID())
-    {
-    case Type::BoolTyID:
-    case Type::UByteTyID:
-    case Type::SByteTyID:     
-    case Type::UShortTyID:
-    case Type::ShortTyID:     
-      return optSizeForSubWordData;
-    
-    default:
-      return DataLayout.getTypeSize(ty);
-    }
+unsigned TargetMachine::findOptimalStorageSize(const Type *Ty) const {
+  // Round integral values smaller than SubWordDataSize up to SubWordDataSize
+  if (Ty->isIntegral() &&
+      Ty->getPrimitiveSize() < DataLayout.getSubWordDataSize())
+    return DataLayout.getSubWordDataSize();
+
+  return DataLayout.getTypeSize(Ty);
 }