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misched: API for minimum vs. expected latency.

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Minimum latency determines per-cycle scheduling groups.
Expected latency determines critical path and cost.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158021 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick
2012-06-05 21:11:27 +00:00
parent 1d72dadddb
commit b7e0289fb3
11 changed files with 276 additions and 139 deletions
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lib/CodeGen/TwoAddressInstructionPass.cpp
+1 -1
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@@ -1046,7 +1046,7 @@ bool TwoAddressInstructionPass::isDefTooClose(unsigned Reg, unsigned Dist,
return true; // Below MI
unsigned DefDist = DDI->second;
assert(Dist > DefDist && "Visited def already?");
if (TII->getInstrLatency(InstrItins, DefMI) > (int)(Dist - DefDist))
if (TII->getInstrLatency(InstrItins, DefMI) > (Dist - DefDist))
return true;
}
return false;