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

[Chris Lattner]

Changes in directory llvm/lib/Transforms/Scalar:

InstructionCombining.cpp updated: 1.142 -> 1.143

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Log message:

Implement feature: InstCombine/2003-11-13-ConstExprCastCall.ll


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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:1.142 llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.143
--- llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.142	Tue Nov 11 16:41:33 2003
+++ llvm/lib/Transforms/Scalar/InstructionCombining.cpp	Thu Nov 13 13:17:02 2003
@@ -1801,7 +1801,8 @@
   const Type *OldRetTy = Caller->getType();
 
   if (Callee->isExternal() &&
-      !OldRetTy->isLosslesslyConvertibleTo(FT->getReturnType()))
+      !OldRetTy->isLosslesslyConvertibleTo(FT->getReturnType()) &&
+      !Caller->use_empty())
     return false;   // Cannot transform this return value...
 
   unsigned NumActualArgs = unsigned(CS.arg_end()-CS.arg_begin());