diff options
| author | Owen Anderson <resistor@mac.com> | 2013-01-10 22:06:52 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2013-01-10 22:06:52 +0000 |
| commit | e9d4eba45122892670fe24458bf161e559a799e7 (patch) | |
| tree | 1a3f789977dfba5a222c0383fbecd8c1cfdcf7a6 /lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | |
| parent | 244b7a4ba66a8c23b6d0463eafc53b9a3970fc02 (diff) | |
Teach InstCombine to hoist FABS and FNEG through FPTRUNC instructions. The application of these operations commutes with the truncation, so we should prefer to do them in the smallest size we can, to save register space, use smaller constant pool entries, etc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172117 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp')
0 files changed, 0 insertions, 0 deletions