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

Chris Lattner lattner at cs.uiuc.edu
Tue Sep 10 20:21:10 PDT 2002


Changes in directory llvm/lib/Target:

TargetData.cpp updated: 1.21 -> 1.22

---
Log message:

  
- Change getelementptr instruction to use long indexes instead of uint
    indexes for sequential types.


---
Diffs of the changes:

Index: llvm/lib/Target/TargetData.cpp
diff -u llvm/lib/Target/TargetData.cpp:1.21 llvm/lib/Target/TargetData.cpp:1.22
--- llvm/lib/Target/TargetData.cpp:1.21	Sat Aug 24 09:44:58 2002
+++ llvm/lib/Target/TargetData.cpp	Tue Sep 10 20:20:05 2002
@@ -157,17 +157,17 @@
   assert(isa<PointerType>(Ty) && "Illegal argument for getIndexedOffset()");
   uint64_t Result = 0;
 
-  for (unsigned CurIDX = 0; CurIDX < Idx.size(); ++CurIDX) {
-    if (Idx[CurIDX]->getType() == Type::UIntTy) {
+  for (unsigned CurIDX = 0; CurIDX != Idx.size(); ++CurIDX) {
+    if (Idx[CurIDX]->getType() == Type::LongTy) {
       // Update Ty to refer to current element
       Ty = cast<SequentialType>(Ty)->getElementType();
 
       // Get the array index and the size of each array element.
       // Both must be known constants, or this will fail.
       // Also, the product needs to be sign-extended from 32 to 64 bits.
-      uint64_t elementSize = this->getTypeSize(Ty);
-      uint64_t arrayIdx = cast<ConstantUInt>(Idx[CurIDX])->getValue();
-      Result += (uint64_t) (int) (arrayIdx * elementSize); // sign-extend
+      int64_t elementSize = (int64_t)getTypeSize(Ty);
+      int64_t arrayIdx = cast<ConstantSInt>(Idx[CurIDX])->getValue();
+      Result += (uint64_t)(arrayIdx * elementSize);
 
     } else if (const StructType *STy = dyn_cast<const StructType>(Ty)) {
       assert(Idx[CurIDX]->getType() == Type::UByteTy && "Illegal struct idx");





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