diff options
| author | Chris Lattner <sabre@nondot.org> | 2008-01-14 00:28:35 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2008-01-14 00:28:35 +0000 |
| commit | 37ac608623676e2f3453d2b9d9583321530ee45c (patch) | |
| tree | 7229bf42341ba987be4848f5ffeeaa9076ae727f /lib/CodeGen/SelectionDAG/CallingConvLower.cpp | |
| parent | f497b028b8aa247ced1177c33df2aeadeefecb40 (diff) | |
Turn a memcpy from a double* into a load/store of double instead of
a load/store of i64. The later prevents promotion/scalarrepl of the
source and dest in many cases.
This fixes the 300% performance regression of the byval stuff on
stepanov_v1p2.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45945 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/CallingConvLower.cpp')
0 files changed, 0 insertions, 0 deletions