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

[Chris Lattner]

Changes in directory llvm/lib/Transforms/Scalar:

ConstantProp.cpp updated: 1.46 -> 1.47

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Log message:

Constant propagation should remove the dead instructions


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Diffs of the changes:  (+4 -0)

Index: llvm/lib/Transforms/Scalar/ConstantProp.cpp
diff -u llvm/lib/Transforms/Scalar/ConstantProp.cpp:1.46 llvm/lib/Transforms/Scalar/ConstantProp.cpp:1.47
--- llvm/lib/Transforms/Scalar/ConstantProp.cpp:1.46	Mon Jan 12 13:15:20 2004
+++ llvm/lib/Transforms/Scalar/ConstantProp.cpp	Tue Apr 13 14:28:20 2004
@@ -67,6 +67,10 @@
         // Replace all of the uses of a variable with uses of the constant.
         I->replaceAllUsesWith(C);
 
+        // Remove the dead instruction.
+        WorkList.erase(I);
+        I->getParent()->getInstList().erase(I);
+
         // We made a change to the function...
         Changed = true;
         ++NumInstKilled;