[llvm] [BOLT] Add sink block to flow CFG in profile inference (PR #95047)
Amir Ayupov via llvm-commits
llvm-commits at lists.llvm.org
Thu Jun 13 15:03:01 PDT 2024
================
@@ -342,6 +345,15 @@ createFlowFunction(const BinaryFunction::BasicBlockOrderType &BlockOrder) {
InDegree[Jump.Target]++;
UniqueSuccs.insert(DstBB);
}
+
+ // If the block is an exit, add a dummy edge from it to the sink block.
+ if (UniqueSuccs.empty()) {
+ Func.Jumps.emplace_back();
+ FlowJump &Jump = Func.Jumps.back();
+ Jump.Source = SrcBB->getIndex() + 1;
+ Jump.Target = Func.Blocks.size() - 1;
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aaupov wrote:
Do we not need InDegree?
https://github.com/llvm/llvm-project/pull/95047
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