The promotion rules are the same for all targets, they are set by the C standard.

llvm-svn: 5962

1 files changed, 3 insertions, 9 deletions

diff --git a/llvm/lib/Target/TargetMachine.cpp b/llvm/lib/Target/TargetMachine.cpp
index dc722fc7e5c..24788e3c4d9 100644
--- a/llvm/lib/Target/TargetMachine.cpp
+++ b/llvm/lib/Target/TargetMachine.cpp
@@ -20,16 +20,10 @@
 
 // function TargetMachine::findOptimalStorageSize 
 // 
-// Purpose:
-//   This default implementation assumes that all sub-word data items use
-//   space equal to optSizeForSubWordData, and all other primitive data
-//   items use space according to the type.
-//   
 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();
+  // All integer types smaller than ints promote to 4 byte integers.
+  if (Ty->isIntegral() && Ty->getPrimitiveSize() < 4)
+    return 4;
 
   return DataLayout.getTypeSize(Ty);
 }