[PATCH] D139683: [APInt] provide a safe API for zext value and sext value.

[Peter Rong via Phabricator via llvm-commits]

Peter marked an inline comment as done.
Peter added inline comments.


================
Comment at: llvm/lib/Support/APInt.cpp:506-518
+Optional<uint64_t> APInt::tryZExtValue() const {
+  if (isSingleWord())
+    return Optional<uint64_t>(U.VAL);
+  return (getActiveBits() <= 64) ? Optional<uint64_t>(U.pVal[0])
+                                 : Optional<uint64_t>();
+}
+
----------------
lebedev.ri wrote:
> These should just check for precondition and call the normal functions
You are right, thanks for pointing that out.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D139683/new/

https://reviews.llvm.org/D139683