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Author SHA1 Message Date
Reid Kleckner 60381791b5 Rename llvm.frameescape and llvm.framerecover to localescape and localrecover 
Summary:
Initially, these intrinsics seemed like part of a family of "frame"
related intrinsics, but now I think that's more confusing than helpful.
Initially, the LangRef specified that this would create a new kind of
allocation that would be allocated at a fixed offset from the frame
pointer (EBP/RBP). We ended up dropping that design, and leaving the
stack frame layout alone.

These intrinsics are really about sharing local stack allocations, not
frame pointers. I intend to go further and add an `llvm.localaddress()`
intrinsic that returns whatever register (EBP, ESI, ESP, RBX) is being
used to address locals, which should not be confused with the frame
pointer.

Naming suggestions at this point are welcome, I'm happy to re-run sed.

Reviewers: majnemer, nicholas

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D11011

llvm-svn: 241633
 2015-07-07 22:25:32 +00:00
David Majnemer 7fddeccb8b Move the personality function from LandingPadInst to Function 
The personality routine currently lives in the LandingPadInst.

This isn't desirable because:
- All LandingPadInsts in the same function must have the same
  personality routine.  This means that each LandingPadInst beyond the
  first has an operand which produces no additional information.

- There is ongoing work to introduce EH IR constructs other than
  LandingPadInst.  Moving the personality routine off of any one
  particular Instruction and onto the parent function seems a lot better
  than have N different places a personality function can sneak onto an
  exceptional function.

Differential Revision: http://reviews.llvm.org/D10429

llvm-svn: 239940
 2015-06-17 20:52:32 +00:00
Andrew Kaylor a6c5b9682e [WinEH] C++ EH state numbering fixes 
Differential Revision: http://reviews.llvm.org/D9787

llvm-svn: 237854
 2015-05-20 23:22:24 +00:00
Sunil Srivastava d79dfcbc37 Changed renaming of local symbols by inserting a dot vefore the numeric suffix. 
One code change and several test changes to match that
details in http://reviews.llvm.org/D9481

llvm-svn: 237150
 2015-05-12 16:47:30 +00:00
Andrew Kaylor cc14f387e8 [WinEH] Handle nested landing pads that return directly to the parent function. 
Differential Revision: http://reviews.llvm.org/D9684

llvm-svn: 237063
 2015-05-11 23:06:02 +00:00