[PATCH] [WinEH] Add an EH registration and state insertion pass for 32-bit x86
Reid Kleckner
rnk at google.com
Thu Apr 30 15:58:08 PDT 2015
Hi andrew.w.kaylor, majnemer,
This pass is responsible for constructing the EH registration object
that gets linked into fs:00, which is all it does in this change. In the
future, it will also insert stores to update the EH state number.
I considered keeping this functionality in WinEHPrepare, but it's pretty
separable and X86 specific. It has conceptually very little to do with
the task of WinEHPrepare, which is currently outlining. WinEHPrepare is
also in theory useful on ARM, but this logic is pretty x86 specific.
http://reviews.llvm.org/D9422
Files:
include/llvm/MC/MCAsmInfo.h
lib/CodeGen/AsmPrinter/AsmPrinter.cpp
lib/CodeGen/WinEHPrepare.cpp
lib/Target/X86/CMakeLists.txt
lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp
lib/Target/X86/X86.h
lib/Target/X86/X86TargetMachine.cpp
lib/Target/X86/X86WinEHState.cpp
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