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Add a new version of ReplaceAllUsesWith, make the comments more useful.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23086 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-08-26 18:35:58 +00:00
parent 60675f7562
commit 26005b1b67
1 changed files with 4 additions and 1 deletions
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5
include/llvm/CodeGen/SelectionDAG.h
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@ -279,8 +279,11 @@ public:
}
/// ReplaceAllUsesWith - Modify anything using 'From' to use 'To' instead.
/// This can cause recursive merging of nodes in the DAG.
/// This can cause recursive merging of nodes in the DAG. Use the first
/// version if 'From' is known to have a single result, use the second
/// if you have two nodes with identical results, use the third otherwise.
///
void ReplaceAllUsesWith(SDOperand From, SDOperand Op);
void ReplaceAllUsesWith(SDNode *From, SDNode *To);
void ReplaceAllUsesWith(SDNode *From, const std::vector<SDOperand> &To);