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Add aggressive anti-dependence breaker. Currently it is not the default for any target. Enable with -break-anti-dependencies=all.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85145 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Goodwin
2009-10-26 19:32:42 +00:00
parent 6000e253d4
commit 348777110a
4 changed files with 829 additions and 3 deletions
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8
lib/CodeGen/PostRASchedulerList.cpp
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@@ -19,6 +19,7 @@
//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "post-RA-sched"
#include "AggressiveAntiDepBreaker.h"
#include "CriticalAntiDepBreaker.h"
#include "ExactHazardRecognizer.h"
#include "SimpleHazardRecognizer.h"
@@ -236,9 +237,10 @@ bool PostRAScheduler::runOnMachineFunction(MachineFunction &Fn) {
(ScheduleHazardRecognizer *)new ExactHazardRecognizer(InstrItins) :
(ScheduleHazardRecognizer *)new SimpleHazardRecognizer();
AntiDepBreaker *ADB =
(AntiDepMode == TargetSubtarget::ANTIDEP_ALL) ? NULL /* FIXME */ :
(AntiDepMode == TargetSubtarget::ANTIDEP_CRITICAL) ?
new CriticalAntiDepBreaker(Fn) : NULL;
((AntiDepMode == TargetSubtarget::ANTIDEP_ALL) ?
(AntiDepBreaker *)new AggressiveAntiDepBreaker(Fn) :
((AntiDepMode == TargetSubtarget::ANTIDEP_CRITICAL) ?
(AntiDepBreaker *)new CriticalAntiDepBreaker(Fn) : NULL));
SchedulePostRATDList Scheduler(Fn, MLI, MDT, HR, ADB, AA);