[PATCH] D40699: Split IndirectBr critical edges before PGO gen/use passes.

[David Li via Phabricator via llvm-commits]

davidxl added inline comments.


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Comment at: lib/Transforms/Instrumentation/PGOInstrumentation.cpp:539
+    // invalidating the MST.
+    SmallSetVector<BasicBlock *, 16> IndirectBrTargets;
+    for (auto &E : MST.AllEdges) {
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Why not splitting the edges before MST is computed? 


https://reviews.llvm.org/D40699