================
@@ -3543,6 +3543,39 @@ static ConstantInt *getKnownValueOnEdge(Value *V,
BasicBlock *From,
return nullptr;
}
+static bool isUncontrolledConvergentCall(CallBase *CB) {
+ return CB->isConvergent() && !isa<ConvergenceControlInst>(CB) &&
+ !CB->getConvergenceControlToken();
+}
+
+static bool reachesUncontrolledConvergentCallBeforeBlock(BasicBlock *From,
+ BasicBlock *StopBB) {
+ SmallVector<BasicBlock *, 8> Worklist;
----------------
nikic wrote:
TTI hasBranchDivergence?
https://github.com/llvm/llvm-project/pull/204958
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