jeroen.dobbelaere added inline comments.

================
Comment at: llvm/lib/Transforms/Utils/InlineFunction.cpp:929
 
-    if (MDNode *M = NI->getMetadata(LLVMContext::MD_alias_scope))
-      NI->setMetadata(LLVMContext::MD_alias_scope, MDMap[M]);
+    if (MDNode *M = I->getMetadata(LLVMContext::MD_alias_scope))
+      I->setMetadata(LLVMContext::MD_alias_scope, MDMap[M]);
----------------
@nikic In the full restrict patches, we also check if the instruction was 
already handled. I was able to trigger this with an assertion and I have a more 
or less reduced testcase.

Either we keep a SmallPtrSet and check if the instruction was already handled 
(this is what the full restrict version does; See D68509 
InlineFunction.cpp#969). Or we only replace the metadata if it is in the MDMap 
(by using MDMap.lookup(M).

Any preference ?



Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D93040/new/

https://reviews.llvm.org/D93040

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