[PATCH] D70401: [WIP][RISCV] Implement ilp32e ABI

[Sam Elliott via Phabricator via cfe-commits]

lenary updated this revision to Diff 316800.
lenary added a comment.
Herald added subscribers: frasercrmck, NickHung.

- Provide correct datalayout
- Add clang support and tests
- Modify `fp` reservation code so we don't always use a frame pointer, even if we conservatively reserve it when using ilp32e + D extension.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D70401/new/

https://reviews.llvm.org/D70401

Files:
  clang/lib/Basic/Targets/RISCV.h
  clang/lib/CodeGen/TargetInfo.cpp
  clang/test/CodeGen/RISCV/riscv32-ilp32-ilp32e-ilp32f-ilp32d-abi.c
  clang/test/CodeGen/RISCV/riscv32-ilp32-ilp32f-ilp32d-abi.c
  clang/test/CodeGen/RISCV/riscv32-ilp32e-abi.c
  clang/test/Driver/riscv-abi.c
  llvm/lib/Target/RISCV/RISCVCallingConv.td
  llvm/lib/Target/RISCV/RISCVFrameLowering.cpp
  llvm/lib/Target/RISCV/RISCVFrameLowering.h
  llvm/lib/Target/RISCV/RISCVISelLowering.cpp
  llvm/lib/Target/RISCV/RISCVRegisterInfo.cpp
  llvm/lib/Target/RISCV/RISCVRegisterInfo.h
  llvm/lib/Target/RISCV/RISCVTargetMachine.cpp
  llvm/test/CodeGen/RISCV/callee-saved-fpr32s.ll
  llvm/test/CodeGen/RISCV/callee-saved-fpr64s.ll
  llvm/test/CodeGen/RISCV/callee-saved-gprs.ll
  llvm/test/CodeGen/RISCV/calling-conv-ilp32e-double-bug.ll
  llvm/test/CodeGen/RISCV/calling-conv-ilp32e.ll
  llvm/test/CodeGen/RISCV/calling-conv-rv32f-ilp32.ll
  llvm/test/CodeGen/RISCV/stack-realignment-with-variable-sized-objects.ll
  llvm/test/CodeGen/RISCV/stack-realignment.ll
  llvm/test/CodeGen/RISCV/target-abi-valid.ll
  llvm/test/CodeGen/RISCV/vararg.ll

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