[PATCH] D147704: [Inliner] Preserve nonnull from callsites during inlining

[Nikita Popov via Phabricator via llvm-commits]

nikic added inline comments.


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Comment at: llvm/lib/Transforms/Utils/InlineFunction.cpp:1475
+    auto *ArgVal = CB.getArgOperand(ArgNo);
+    if (CB.getAttributes().hasParamAttr(ArgNo, Attribute::NonNull) && !isKnownNonZero(ArgVal, DL, 0, AC)) {
+      CallInst *NewAsmp = Builder.CreateNonNullAssumption(CB.getArgOperand(ArgNo));
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aeubanks wrote:
> are there tests for `isKnownNonZero`?
You need both nonnull and noundef to convert to assume.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D147704/new/

https://reviews.llvm.org/D147704