pengfei added inline comments.
================
Comment at: llvm/lib/IR/AutoUpgrade.cpp:4583-4589
+ if (T.isArch64Bit() || !T.isWindowsMSVCEnvironment())
+ return Res;
- return (Groups[1] + AddrSpaces + Groups[3]).str();
+ StringRef Ref = Res;
+ auto I = Ref.find("-f80:32-");
+ if (I != StringRef::npos)
+ Res = (Ref.take_front(I) + "-f80:128-" + Ref.drop_front(I + 8)).str();
----------------
rnk wrote:
> I think the early return here is not helping readability. Please add a
> comment here about why this upgrade is being done, something like:
> ```
> // For 32-bit MSVC targets, raise the alignment of f80 values to 16 bytes.
> Raising the alignment is safe because Clang did not produce f80 values in the
> MSVC environment before this upgrade was added.
> if (T.isWindowsMSVCEnvironment() && T.isArch32Bit()) {
> ....
> ```
>
That's better. Thanks for the suggestion.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D115942/new/
https://reviews.llvm.org/D115942
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