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| author | Andrew Trick <atrick@apple.com> | 2013-08-23 17:48:33 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2013-08-23 17:48:33 +0000 |
| commit | a53e101627f6484f74bacd6cb640706207c1ad5b (patch) | |
| tree | 4128fc54a30baa10f4e3e5b90fee8849b354fd7c /llvm/lib/CodeGen/DFAPacketizer.cpp | |
| parent | db6adaba6835fbd14e5ff7d6ebfc906c497935a0 (diff) | |
| download | bcm5719-llvm-a53e101627f6484f74bacd6cb640706207c1ad5b.tar.gz bcm5719-llvm-a53e101627f6484f74bacd6cb640706207c1ad5b.zip | |
mi-sched: Don't call MBB.size() in initSUnits. The driver already has instr count.
This fixes a pathological compile time problem with very large blocks
and lots of scheduling boundaries.
llvm-svn: 189116
Diffstat (limited to 'llvm/lib/CodeGen/DFAPacketizer.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/DFAPacketizer.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/DFAPacketizer.cpp b/llvm/lib/CodeGen/DFAPacketizer.cpp index 840a10128da..6619bcfd194 100644 --- a/llvm/lib/CodeGen/DFAPacketizer.cpp +++ b/llvm/lib/CodeGen/DFAPacketizer.cpp @@ -160,7 +160,8 @@ void VLIWPacketizerList::PacketizeMIs(MachineBasicBlock *MBB, MachineBasicBlock::iterator EndItr) { assert(VLIWScheduler && "VLIW Scheduler is not initialized!"); VLIWScheduler->startBlock(MBB); - VLIWScheduler->enterRegion(MBB, BeginItr, EndItr, MBB->size()); + VLIWScheduler->enterRegion(MBB, BeginItr, EndItr, + std::distance(BeginItr, EndItr)); VLIWScheduler->schedule(); // Generate MI -> SU map. |
