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-rw-r--r--lib/Transforms/Instrumentation/MaximumSpanningTree.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/Transforms/Instrumentation/MaximumSpanningTree.h b/lib/Transforms/Instrumentation/MaximumSpanningTree.h
index 2951dbcea9..829da6b295 100644
--- a/lib/Transforms/Instrumentation/MaximumSpanningTree.h
+++ b/lib/Transforms/Instrumentation/MaximumSpanningTree.h
@@ -15,6 +15,7 @@
#ifndef LLVM_ANALYSIS_MAXIMUMSPANNINGTREE_H
#define LLVM_ANALYSIS_MAXIMUMSPANNINGTREE_H
+#include "llvm/BasicBlock.h"
#include "llvm/ADT/EquivalenceClasses.h"
#include <vector>
#include <algorithm>
@@ -33,6 +34,18 @@ namespace llvm {
typename MaximumSpanningTree<CT>::EdgeWeight Y) const {
if (X.second > Y.second) return true;
if (X.second < Y.second) return false;
+ if (const BasicBlock *BBX = dyn_cast<BasicBlock>(X.first.first)) {
+ if (const BasicBlock *BBY = dyn_cast<BasicBlock>(Y.first.first)) {
+ if (BBX->size() > BBY->size()) return true;
+ if (BBX->size() < BBY->size()) return false;
+ }
+ }
+ if (const BasicBlock *BBX = dyn_cast<BasicBlock>(X.first.second)) {
+ if (const BasicBlock *BBY = dyn_cast<BasicBlock>(Y.first.second)) {
+ if (BBX->size() > BBY->size()) return true;
+ if (BBX->size() < BBY->size()) return false;
+ }
+ }
return false;
}
};