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| author | Chris Lattner <sabre@nondot.org> | 2005-10-30 18:54:27 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-10-30 18:54:27 +0000 |
| commit | a4176525cc4018e781b48fd35d4000040841287f (patch) | |
| tree | 4d3d877a16079a9c203eeb869f1ace8440b18e0e /lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | |
| parent | c1d6f67e8ed2fc0616dc9a09e47dcf122ebdbbe5 (diff) | |
Reduce the number of copies emitted as machine instructions by
generating results in vregs that will need them. In the case of something
like this: CopyToReg((add X, Y), reg1024), we no longer emit code like
this:
reg1025 = add X, Y
reg1024 = reg 1025
Instead, we emit:
reg1024 = add X, Y
Whoa! :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24111 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp')
0 files changed, 0 insertions, 0 deletions