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| author | Nicolas Geoffray <ngeoffray@google.com> | 2014-05-22 18:32:45 +0100 |
|---|---|---|
| committer | Nicolas Geoffray <ngeoffray@google.com> | 2014-05-23 10:00:44 +0100 |
| commit | 4e3d23aa1523718ea1fdf3a32516d2f9d81e84fe (patch) | |
| tree | 78593d033513a98486a409e7b23678ccced12cd5 /compiler/optimizing/nodes.cc | |
| parent | 59f3f62534581311c7c403c832f56c272426a17c (diff) | |
| download | art-4e3d23aa1523718ea1fdf3a32516d2f9d81e84fe.zip art-4e3d23aa1523718ea1fdf3a32516d2f9d81e84fe.tar.gz art-4e3d23aa1523718ea1fdf3a32516d2f9d81e84fe.tar.bz2 | |
Import Dart's parallel move resolver.
And write a few tests while at it.
A parallel move resolver will be needed for performing multiple moves
that are conceptually parallel, for example moves at a block
exit that branches to a block with phi nodes.
Change-Id: Ib95b247b4fc3f2c2fcab3b8c8d032abbd6104cd7
Diffstat (limited to 'compiler/optimizing/nodes.cc')
| -rw-r--r-- | compiler/optimizing/nodes.cc | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/compiler/optimizing/nodes.cc b/compiler/optimizing/nodes.cc index afaedd7..74ba520 100644 --- a/compiler/optimizing/nodes.cc +++ b/compiler/optimizing/nodes.cc @@ -291,6 +291,17 @@ bool HBasicBlock::Dominates(HBasicBlock* other) const { return false; } +void HBasicBlock::InsertInstructionBefore(HInstruction* instruction, HInstruction* cursor) { + DCHECK(cursor->AsPhi() == nullptr); + DCHECK(instruction->AsPhi() == nullptr); + instruction->next_ = cursor; + instruction->previous_ = cursor->previous_; + cursor->previous_ = instruction; + if (GetFirstInstruction() == cursor) { + instructions_.first_instruction_ = instruction; + } +} + static void Add(HInstructionList* instruction_list, HBasicBlock* block, HInstruction* instruction) { |