[PATCH] D107822: [InstCombine] Fold Int2Ptr/PtrToInt if the ptr is dereferenceable

[Juneyoung Lee via Phabricator via llvm-commits]

aqjune added inline comments.


================
Comment at: llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp:348
+    }
+    // Vector to find out all target users of roundtrip (int2ptr/ptr2int) cast
+    // which are dominated by load/store instruction of same address as of
----------------
Then, what do you think about adding a nofree check at this point? @nlopes 

Let's check whether CI's function has a nofree attribute. The checking will be fairly simple.
```
define void @test(i8* %X, i8* %Y, i8* %Z) *nofree* {
...
}
```


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D107822/new/

https://reviews.llvm.org/D107822