[PATCH] D110869: [X86] Implement -fzero-call-used-regs option

[Bill Wendling via Phabricator via cfe-commits]

void updated this revision to Diff 389922.
void added a comment.

WIP: Implement zeroing out registers.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D110869/new/

https://reviews.llvm.org/D110869

Files:
  clang/include/clang/Basic/Attr.td
  clang/include/clang/Basic/AttrDocs.td
  clang/include/clang/Basic/CodeGenOptions.def
  clang/include/clang/Driver/Options.td
  clang/lib/CodeGen/CGCall.cpp
  clang/lib/Driver/ToolChains/Clang.cpp
  clang/lib/Sema/SemaDeclAttr.cpp
  clang/test/CodeGen/zero-call-used-regs.c
  clang/test/Misc/pragma-attribute-supported-attributes-list.test
  clang/test/Sema/zero_call_used_regs.c
  llvm/include/llvm/CodeGen/MachineRegisterInfo.h
  llvm/include/llvm/CodeGen/TargetFrameLowering.h
  llvm/include/llvm/CodeGen/TargetRegisterInfo.h
  llvm/include/llvm/Support/CodeGen.h
  llvm/lib/CodeGen/MachineRegisterInfo.cpp
  llvm/lib/CodeGen/PrologEpilogInserter.cpp
  llvm/lib/Target/X86/X86FrameLowering.cpp
  llvm/lib/Target/X86/X86FrameLowering.h
  llvm/lib/Target/X86/X86RegisterInfo.cpp
  llvm/lib/Target/X86/X86RegisterInfo.h
  llvm/test/CodeGen/X86/zero-call-used-regs-all-arg.ll
  llvm/test/CodeGen/X86/zero-call-used-regs-all-gpr-arg.ll
  llvm/test/CodeGen/X86/zero-call-used-regs-all-gpr.ll
  llvm/test/CodeGen/X86/zero-call-used-regs-all.ll
  llvm/test/CodeGen/X86/zero-call-used-regs-fmod.ll
  llvm/test/CodeGen/X86/zero-call-used-regs-skip.ll
  llvm/test/CodeGen/X86/zero-call-used-regs-smoke-tests.ll
  llvm/test/CodeGen/X86/zero-call-used-regs-used-arg.ll
  llvm/test/CodeGen/X86/zero-call-used-regs-used-gpr-arg.ll
  llvm/test/CodeGen/X86/zero-call-used-regs-used-gpr.ll
  llvm/test/CodeGen/X86/zero-call-used-regs-used.ll

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