FreddyYe added inline comments.

================
Comment at: clang/lib/CodeGen/CGBuiltin.cpp:13317
+      continue;
+    Value *Idxs[] = {Builder.getInt32(0), Builder.getInt32(i - 1)};
+    Value *Features = Builder.CreateAlignedLoad(
----------------
Don't quite understand why we need to change from a i32* into <4 x i32>* and 
the first element here to be always zero.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D158329/new/

https://reviews.llvm.org/D158329

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