================
@@ -222,3 +223,38 @@ void SSAUpdaterBulk::RewriteAllUses(DominatorTree *DT,
}
}
}
+
+// Perform a single pass of simplification over the worklist of PHIs.
+static void simplifyPass(MutableArrayRef<PHINode *> Worklist,
+ const DataLayout &DL) {
+ for (PHINode *&PHI : Worklist) {
+ if (Value *Simplified = simplifyInstruction(PHI, DL)) {
+ PHI->replaceAllUsesWith(Simplified);
----------------
vpykhtin wrote:
I thought about doing this but it complicates things: this would require to use
tracking VH in the BBInfo structure, I'm not sure it worth it.
https://github.com/llvm/llvm-project/pull/135180
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