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updates from duncan

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42991 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-10-15 16:46:29 +00:00
parent ba56fe801c
commit 1296e9d306
1 changed files with 5 additions and 5 deletions
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10
lib/CodeGen/SelectionDAG/LegalizeDAGTypes.cpp
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@ -55,9 +55,9 @@ class VISIBILITY_HIDDEN DAGTypeLegalizer {
};
enum LegalizeAction {
Legal, // The target natively supports this operation.
Promote, // This operation should be executed in a larger type.
Expand // Try to expand this to other ops, otherwise use a libcall.
Legal, // The target natively supports this type.
Promote, // This type should be executed in a larger type.
Expand // This type should be split into two types of half the size.
};
/// ValueTypeActions - This is a bitvector that contains two bits for each
@ -244,7 +244,7 @@ void DAGTypeLegalizer::run() {
}
}
// If the node needs revisitation, don't add all users to the worklist etc.
// If the node needs revisiting, don't add all users to the worklist etc.
if (NeedsRevisit)
continue;
@ -328,7 +328,7 @@ void DAGTypeLegalizer::MarkNewNodes(SDNode *N) {
// Okay, we know that this node is new. Recursively walk all of its operands
// to see if they are new also. The depth of this walk is bounded by the size
// of the new tree that was constructed (usually 2-3 nodes), so we don't worry
// about revisitation of nodes.
// about revisitating of nodes.
//
// As we walk the operands, keep track of the number of nodes that are
// processed. If non-zero, this will become the new nodeid of this node.