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switch the VRBaseMap in the scheduler from an std::map to a DenseMap. This
authorChris Lattner <sabre@nondot.org>
Sun, 4 Feb 2007 08:47:20 +0000 (08:47 +0000)
committerChris Lattner <sabre@nondot.org>
Sun, 4 Feb 2007 08:47:20 +0000 (08:47 +0000)
commit831e0374a7da654071279f2b1f93f52f7eeb5eae
tree6306da1f2ccf2a509170fb331d8d4334193dddf6
parent3f97eb449b08069e3370d4ba7566c60bdbf0babd
switch the VRBaseMap in the scheduler from an std::map to a DenseMap.  This
speeds up the isel pass from 2.5570s to 2.4722s on kc++ (3.4%).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33879 91177308-0d34-0410-b5e6-96231b3b80d8
include/llvm/CodeGen/ScheduleDAG.h
lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
lib/CodeGen/SelectionDAG/ScheduleDAGSimple.cpp