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Move a few containers out of ScheduleDAGInstrs::BuildSchedGraph

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and into the ScheduleDAGInstrs class, so that they don't get
destructed and re-constructed for each block. This fixes a
compile-time hot spot in the post-pass scheduler.

To help facilitate this, tidy and do some minor reorganization
in the scheduler constructor functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62275 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2009-01-15 19:20:50 +00:00
parent 6ad2b2a3d2
commit 79ce276083
28 changed files with 144 additions and 155 deletions
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6
lib/CodeGen/ScheduleDAGPrinter.cpp
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@@ -34,7 +34,7 @@ namespace llvm {
template<>
struct DOTGraphTraits<ScheduleDAG*> : public DefaultDOTGraphTraits {
static std::string getGraphName(const ScheduleDAG *G) {
return G->MF->getFunction()->getName();
return G->MF.getFunction()->getName();
}
static bool renderGraphFromBottomUp() {
@@ -83,8 +83,8 @@ std::string DOTGraphTraits<ScheduleDAG*>::getNodeLabel(const SUnit *SU,
void ScheduleDAG::viewGraph() {
// This code is only for debugging!
#ifndef NDEBUG
ViewGraph(this, "dag." + MF->getFunction()->getName(),
"Scheduling-Units Graph for " + MF->getFunction()->getName() + ':' +
ViewGraph(this, "dag." + MF.getFunction()->getName(),
"Scheduling-Units Graph for " + MF.getFunction()->getName() + ':' +
BB->getBasicBlock()->getName());
#else
cerr << "ScheduleDAG::viewGraph is only available in debug builds on "