[llvm-commits] CVS: llvm/lib/Target/TargetMachine.cpp

[Chris Lattner]

Changes in directory llvm/lib/Target:

TargetMachine.cpp updated: 1.15 -> 1.16

---
Log message:

Implement findOptimalStorageSize a bit more generally


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Diffs of the changes:

Index: llvm/lib/Target/TargetMachine.cpp
diff -u llvm/lib/Target/TargetMachine.cpp:1.15 llvm/lib/Target/TargetMachine.cpp:1.16
--- llvm/lib/Target/TargetMachine.cpp:1.15	Mon Oct 28 17:55:33 2002
+++ llvm/lib/Target/TargetMachine.cpp	Tue Oct 29 15:47:50 2002
@@ -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);
 }