[PATCH] D149575: [CodeGen] Support allocating of arguments by decreasing offsets

[Sergei Barannikov via Phabricator via llvm-commits]

barannikov88 added inline comments.


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Comment at: llvm/include/llvm/CodeGen/CallingConvLower.h:177-178
   LLVMContext &Context;
+  // True if arguments should be allocated at negative offsets.
+  bool NegativeOffsets;
 
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arsenm wrote:
> Is this really any different from StackGrowsUp/Down?
`NegativeOffsets == true` should be equivalent to `StackGrowsUp`,
but this is not the case for AMDGPU, which allocates objects at positive offsets.
I remember you saying it may change in the future. If that happens, this flag can be removed.

(I've update the description, it used the wrong terms.)



Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D149575/new/

https://reviews.llvm.org/D149575