[llvm-commits] CVS: llvm/lib/Transforms/Scalar/InstructionCombining.cpp

[Chris Lattner]

Changes in directory llvm/lib/Transforms/Scalar:

InstructionCombining.cpp updated: 1.215 -> 1.216

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Log message:

Do not call getTypeSize on a type that has no size


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Diffs of the changes:  (+2 -1)

Index: llvm/lib/Transforms/Scalar/InstructionCombining.cpp
diff -u llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.215 llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.216
--- llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.215	Sun Jun 27 17:51:36 2004
+++ llvm/lib/Transforms/Scalar/InstructionCombining.cpp	Fri Jul  2 17:55:47 2004
@@ -2854,7 +2854,8 @@
   // If alloca'ing a zero byte object, replace the alloca with a null pointer.
   // Note that we only do this for alloca's, because malloc should allocate and
   // return a unique pointer, even for a zero byte allocation.
-  if (isa<AllocaInst>(AI) && TD->getTypeSize(AI.getAllocatedType()) == 0)
+  if (isa<AllocaInst>(AI) && AI.getAllocatedType()->isSized() && 
+      TD->getTypeSize(AI.getAllocatedType()) == 0)
     return ReplaceInstUsesWith(AI, Constant::getNullValue(AI.getType()));
 
   return 0;