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Add a method to clear optional optimization information from a Value.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76215 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-07-17 18:56:23 +00:00
parent 0cb896a8f8
commit 47128fe296
1 changed files with 6 additions and 0 deletions
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6
include/llvm/Value.h
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@ -146,6 +146,12 @@ public:
// Only use when in type resolution situations!
void uncheckedReplaceAllUsesWith(Value *V);
/// clearOptionalData - Clear any optional optimization data from this Value.
/// Transformation passes must call this method whenever changing the IR
/// in a way that would affect the values produced by this Value, unless
/// it takes special care to ensure correctness in some other way.
void clearOptionalData() { SubclassOptionalData = 0; }
//----------------------------------------------------------------------
// Methods for handling the chain of uses of this Value.
//