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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2015-09-25 20:22:12 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2015-09-25 20:22:12 +0000 |
| commit | 10aa8078566379592f36487fe9aa9e6b489d55cc (patch) | |
| tree | a58c42598e751da19b6bb0e043f37efd92d23ca5 /lldb/source/Expression/UserExpression.cpp | |
| parent | d9f102b464d5074e7aac7eef49c49e606c892d59 (diff) | |
| download | bcm5719-llvm-10aa8078566379592f36487fe9aa9e6b489d55cc.tar.gz bcm5719-llvm-10aa8078566379592f36487fe9aa9e6b489d55cc.zip | |
PeepholeOptimizer: Remove redundant copies
If a virtual register is copied and another copy was already
seen, replace with the previous copy. This only handles the
simplest cases for now.
This pattern shows up from various operand restrictions
AMDGPU has which require inserting copies depending
on the register class of the operands.
llvm-svn: 248611
Diffstat (limited to 'lldb/source/Expression/UserExpression.cpp')
0 files changed, 0 insertions, 0 deletions
