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Amend comment.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24861 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Laskey 2005-12-19 16:32:26 +00:00
parent de48ee28a3
commit d845582d4a
1 changed files with 2 additions and 1 deletions
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3
lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
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@ -860,7 +860,8 @@ void SimpleSched::PrepareNodeInfo() {
/// isStrongDependency - Return true if node A has results used by node B.
/// I.E., B must wait for latency of A.
bool SimpleSched::isStrongDependency(NodeInfo *A, NodeInfo *B) {
// If A defines for B then it's a strong dependency
// If A defines for B then it's a strong dependency or
// if a load follows a store (may be dependent but why take a chance.)
return isDefiner(A, B) || (A->IsStore && B->IsLoad);
}