craig.topper added inline comments.
================
Comment at: clang/include/clang/AST/ASTContext.h:2262
+ /// Return true if the given vector types are lax-compatible RVV vector
types,
+ /// false otherwise.
+ bool areLaxCompatibleRVVTypes(QualType FirstType, QualType SecondType);
----------------
erichkeane wrote:
> Same here, what is 'lax compatible' mean here? And RVV?
Do you have the same comment for the AArch64 equivalent on line 2252?
================
Comment at: clang/lib/CodeGen/TargetInfo.cpp:11369
+ llvm::ScalableVectorType *ResType = nullptr;
+ switch (BT->getKind()) {
+ default:
----------------
erichkeane wrote:
> I wonder if at least the inner type can be picked up ConvertType instead.
> There doesn't seem to be obvious rhyme/reason to the last argument to
> ScalableVectorType, so it might not solve that.
>
> However, it'll solve the long problem.
The last argument is 64 / sizeof(element). I should replace the 64 with
RISCV::RVVBitsPerBlock.
================
Comment at: clang/lib/CodeGen/TargetInfo.cpp:11371
+ default:
+ llvm_unreachable("unexpected builtin type for SVE vector!");
+ case BuiltinType::SChar:
----------------
I need to fix this SVE usage here.
================
Comment at: clang/lib/CodeGen/TargetInfo.cpp:11390
+ ResType = llvm::ScalableVectorType::get(
+ llvm::Type::getIntNTy(getVMContext(), XLen), 64 / XLen);
+ break;
----------------
erichkeane wrote:
> Where is 'XLen' from here?
It's a member of RISCVABIInfo. It's 64 for riscv64 triple and 32 for riscv32
triple.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D145088/new/
https://reviews.llvm.org/D145088
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