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Added -view-misched=dags options.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152178 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick 2012-03-07 00:18:25 +00:00
parent 56b94c52c9
commit 0df7f8821c
1 changed files with 9 additions and 0 deletions
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9
lib/CodeGen/MachineScheduler.cpp
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@ -30,6 +30,13 @@
using namespace llvm;
#ifndef NDEBUG
static cl::opt<bool> ViewMISchedDAGs("view-misched-dags", cl::Hidden,
cl::desc("Pop up a window to show MISched dags after they are processed"));
#else
static bool ViewMISchedDAGs = false;
#endif // NDEBUG
//===----------------------------------------------------------------------===//
// Machine Instruction Scheduling Pass and Registry
//===----------------------------------------------------------------------===//
@ -205,6 +212,8 @@ void ScheduleTopDownLive::Schedule() {
DEBUG(for (unsigned su = 0, e = SUnits.size(); su != e; ++su)
SUnits[su].dumpAll(this));
if (ViewMISchedDAGs) viewGraph();
// Release any successors of the special Entry node. It is currently unused,
// but we keep up appearances.
releaseSuccessors(&EntrySU);