[llvm] Check hasOptSize() in shouldOptimizeForSize() (PR #112626)

[Ellis Hoag via llvm-commits]

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@@ -44,7 +48,9 @@ bool llvm::shouldOptimizeForSize(const MachineBasicBlock *MBB,
                                  MBFIWrapper *MBFIW,
                                  PGSOQueryType QueryType) {
   assert(MBB);
-  if (!PSI || !MBFIW)
+  if (MBB->getParent()->getFunction().hasOptSize())
+    return true;
+  if (!MBFIW)
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ellishg wrote:

Yes because `PSI` is checked in `shouldOptimizeForSizeImpl()` anyway.

https://github.com/llvm/llvm-project/blob/8417f6af54c8f6dcf5893ab1352b50bf33c5a1ba/llvm/include/llvm/Transforms/Utils/SizeOpts.h#L72-L76

https://github.com/llvm/llvm-project/pull/112626