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Revert "[AMDGPU] Fix for SIMachineScheduler crash. SI Scheduler should track"

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This reverts commit ce06d9cb99.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@295054 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alexander Timofeev
2017-02-14 14:29:05 +00:00
parent ae8ad841a5
commit 23db8abf86
3 changed files with 4 additions and 52 deletions
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lib/Target/AMDGPU/AMDGPUSubtarget.cpp
+3 -1
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@@ -262,7 +262,9 @@ void SISubtarget::overrideSchedPolicy(MachineSchedPolicy &Policy,
Policy.OnlyTopDown = false;
Policy.OnlyBottomUp = false;
Policy.ShouldTrackLaneMasks = enableSubRegLiveness();
// Enabling ShouldTrackLaneMasks crashes the SI Machine Scheduler.
if (!enableSIScheduler())
Policy.ShouldTrackLaneMasks = true;
}
bool SISubtarget::isVGPRSpillingEnabled(const Function& F) const {
lib/Target/AMDGPU/SIMachineScheduler.h
+1 -2
View File
@@ -440,8 +440,7 @@ public:
// To init Block's RPTracker.
void initRPTracker(RegPressureTracker &RPTracker) {
RPTracker.init(&MF, RegClassInfo, LIS, BB, RegionBegin,
MF.getSubtarget().enableSubRegLiveness(), false);
RPTracker.init(&MF, RegClassInfo, LIS, BB, RegionBegin, false, false);
}
MachineBasicBlock *getBB() { return BB; }