[llvm-branch-commits] Utils: Inhibit load/store folding through phis for llvm.protected.field.ptr. (PR #151649)

[Nikita Popov via llvm-branch-commits]

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@@ -697,8 +697,7 @@ static bool isSafeAndProfitableToSinkLoad(LoadInst *L) {
 Instruction *InstCombinerImpl::foldPHIArgLoadIntoPHI(PHINode &PN) {
   LoadInst *FirstLI = cast<LoadInst>(PN.getIncomingValue(0));
 
-  // Can't forward swifterror through a phi.
-  if (FirstLI->getOperand(0)->isSwiftError())
+  if (!shouldFoldOperandThroughPhi(FirstLI->getOperand(0)))
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nikic wrote:

I think my general preference would be to not add a new API for this and just 
call canReplaceOperandWithVariable() here.

https://github.com/llvm/llvm-project/pull/151649
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