[PATCH] D17095: [X86] Add X86FixupSeparateStack pass

[Michael LeMay via llvm-commits]

mlemay-intel updated this revision to Diff 54815.
mlemay-intel added a comment.

Fix bug that occurred when cycle was formed with
AddrRegReqs::addPredecessor.  AddrRegReqs::useInMemOp could modify
DenseSet being iterated in addPredecessor.

Track registers pointing into SS segment across some spills and fills.

Detect some instructions emitted for variadic argument intrinsics that
store SS pointers, avoiding assertion failures for those instructions.

Add option to control level of verification that is applied to
instructions that store SS pointers.


http://reviews.llvm.org/D17095

Files:
  lib/Target/X86/CMakeLists.txt
  lib/Target/X86/X86.h
  lib/Target/X86/X86.td
  lib/Target/X86/X86FixupSeparateStack.cpp
  lib/Target/X86/X86Subtarget.cpp
  lib/Target/X86/X86Subtarget.h
  lib/Target/X86/X86TargetMachine.cpp

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