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path: root/llvm/lib/CodeGen/FuncletLayout.cpp
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* [WinEH] Permit branch folding in the face of funcletsDavid Majnemer2015-10-041-71/+4
| | | | | | | | Track which basic blocks belong to which funclets. Permit branch folding to fire but only if it can prove that doing so will not cause code in one funclet to be reused in another. llvm-svn: 249257
* [WinEH] Stop BranchFolding from merging across funcletsDavid Majnemer2015-10-011-11/+3
| | | | | | | BranchFolding would merge two funclets together, this is not OK. Disable this and strengthen the assertion in FuncletLayout. llvm-svn: 249069
* [WinEH] Make FuncletLayout more robust against catchretDavid Majnemer2015-10-011-2/+35
| | | | | | | | | Catchret transfers control from a catch funclet to an earlier funclet. However, it is not completely clear which funclet the catchret target is part of. Make this clear by stapling the catchret target's funclet membership onto the CATCHRET SDAG node. llvm-svn: 249052
* [WinEH] Moved funclet pads should be in relative orderDavid Majnemer2015-09-181-9/+5
| | | | | | | | | | | We shifted the MachineBasicBlocks to the end of the MachineFunction in DFS order. This will not ensure that MachineBasicBlocks which fell through to one another will remain contiguous. Instead, implement a stable sort algorithm for iplist. This partially reverts commit r214150. llvm-svn: 247978
* [WinEH] Add a funclet layout passDavid Majnemer2015-09-171-0/+97
Windows EH funclets need to be contiguous. The FuncletLayout pass will ensure that the funclets are together and begin with a funclet entry MBB. Differential Revision: http://reviews.llvm.org/D12943 llvm-svn: 247937
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