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| author | Amara Emerson <aemerson@apple.com> | 2018-12-05 00:41:30 +0000 |
|---|---|---|
| committer | Amara Emerson <aemerson@apple.com> | 2018-12-05 00:41:30 +0000 |
| commit | 814a6794ba78ad52da499c67792602873e43d4f8 (patch) | |
| tree | 1961dc43c8c19ec99b03594172d40342d6880c62 /llvm/lib/CodeGen/WinEHPrepare.cpp | |
| parent | f57bfd3d9f2a9d659cfbab9bb196f8f183f669bf (diff) | |
| download | bcm5719-llvm-814a6794ba78ad52da499c67792602873e43d4f8.tar.gz bcm5719-llvm-814a6794ba78ad52da499c67792602873e43d4f8.zip | |
[SelectionDAG] Split very large token factors for loads into 64k chunks.
There's a 64k limit on the number of SDNode operands, and some very large
functions with 64k or more loads can cause crashes due to this limit being hit
when a TokenFactor with this many operands is created. To fix this, create
sub-tokenfactors if we've exceeded the limit.
No test case as it requires a very large function.
rdar://45196621
Differential Revision: https://reviews.llvm.org/D55073
llvm-svn: 348324
Diffstat (limited to 'llvm/lib/CodeGen/WinEHPrepare.cpp')
0 files changed, 0 insertions, 0 deletions
