[PATCH] D102671: [APFloat] convertToDouble/Float can work on shorter types
Serge Pavlov via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue May 18 01:15:27 PDT 2021
sepavloff created this revision.
sepavloff added reviewers: ekatz, RKSimon, foad, arsenm.
Herald added subscribers: dexonsmith, hiraditya.
sepavloff requested review of this revision.
Herald added a subscriber: wdng.
Herald added a project: LLVM.
Previously APFloat::convertToDouble may be called only for APFloats that
were built using double semantics. Other semantics like single precision
were not allowed although corresponding numbers could be converted to
double without loss of precision. The similar restriction applied to
APFloat::convertToFloat.
With this change any APFloat that can be precisely represented by double
can be handled with convertToDouble. Behavior of convertToFloat was
updated similarly. It make the conversion operations more convenient and
adds support for numbers like half and bfloat.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D102671
Files:
llvm/include/llvm/ADT/APFloat.h
llvm/lib/Analysis/ConstantFolding.cpp
llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
llvm/lib/IR/AsmWriter.cpp
llvm/lib/IR/Core.cpp
llvm/lib/Support/APFloat.cpp
llvm/unittests/ADT/APFloatTest.cpp
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