[PATCH] D13132: [X86] Emit .cfi_escape GNU_ARGS_SIZE when adjusting the stack before calls

[Michael Kuperstein via llvm-commits]

mkuper updated this revision to Diff 35940.
mkuper added a comment.

Updated the interface.
I abused the "Offset" field of MCCFIInstruction for the size - but I think this actually makes sense. If anyone prefers a new field, let me know.

The optimization of removing duplicate .cfi_escapes will go into a separate commit, once I figure out where it fits in.


http://reviews.llvm.org/D13132

Files:
  include/llvm/MC/MCDwarf.h
  include/llvm/MC/MCStreamer.h
  lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
  lib/MC/MCAsmStreamer.cpp
  lib/MC/MCDwarf.cpp
  lib/MC/MCStreamer.cpp
  lib/Target/X86/X86FrameLowering.cpp
  test/CodeGen/X86/push-cfi-obj.ll
  test/CodeGen/X86/push-cfi.ll

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