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[MachineScheduler] Dump SUnits before calling SchedImpl->initialize()

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This is a NFC simple patch that changes the DEBUG dumping in the
MachineScheduler so that the dumping of the built SUnits is done before the
SchedImpl->initialize() is called.

This is better on SystemZ, since it has a strategy that does some dumping at
the start of the region, and it is not possible to easily read it if it is
output above a long list of SU.

Review: Javed Absar
https://reviews.llvm.org/D44089

llvm-svn: 326716
This commit is contained in:
Jonas Paulsson 2018-03-05 16:31:49 +00:00
parent 6f9480ccb5
commit 787ec54204
1 changed files with 4 additions and 4 deletions
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8
lib/CodeGen/MachineScheduler.cpp
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@ -762,10 +762,6 @@ void ScheduleDAGMI::schedule() {
SmallVector<SUnit*, 8> TopRoots, BotRoots;
findRootsAndBiasEdges(TopRoots, BotRoots);
// Initialize the strategy before modifying the DAG.
// This may initialize a DFSResult to be used for queue priority.
SchedImpl->initialize(this);
DEBUG(
if (EntrySU.getInstr() != nullptr)
EntrySU.dumpAll(this);
@ -776,6 +772,10 @@ void ScheduleDAGMI::schedule() {
);
if (ViewMISchedDAGs) viewGraph();
// Initialize the strategy before modifying the DAG.
// This may initialize a DFSResult to be used for queue priority.
SchedImpl->initialize(this);
// Initialize ready queues now that the DAG and priority data are finalized.
initQueues(TopRoots, BotRoots);