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path: root/lib/CodeGen/TargetSchedule.cpp
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2013-04-13MI-Sched cleanup. If an instruction has no valid sched class, do not attempt ↵Andrew Trick
to check for a variant. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179451 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-16Change the default latency for implicit defs.Andrew Trick
Implicit defs are not currently positional and not modeled by the per-operand machine model. Unfortunately, we treat defs that are part of the architectural instruction description, like flags, the same as other implicit defs. Really, they should have a fixed MachineInstr layout and probably shouldn't be "implicit" at all. For now, we'll change the default latency to be the max operand latency. That will give flag setting operands full latency for x86 folded loads. Other kinds of "fake" implicit defs don't occur prior to regalloc anyway, and we would like them to go away postRegAlloc as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177227 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Use the new script to sort the includes of every file under lib.Chandler Carruth
Sooooo many of these had incorrect or strange main module includes. I have manually inspected all of these, and fixed the main module include to be the nearest plausible thing I could find. If you own or care about any of these source files, I encourage you to take some time and check that these edits were sensible. I can't have broken anything (I strictly added headers, and reordered them, never removed), but they may not be the headers you'd really like to identify as containing the API being implemented. Many forward declarations and missing includes were added to a header files to allow them to parse cleanly when included first. The main module rule does in fact have its merits. =] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169131 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-06misched: TargetSchedule interface for machine resources.Andrew Trick
Expose the processor resources defined by the machine model to the scheduler and other clients through the TargetSchedule interface. Normalize each resource count with respect to other kinds of resources. This allows scheduling heuristics to balance resources against other kinds of resources and latency. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167444 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-17misched: Better handling of invalid latencies in the machine modelAndrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166107 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-11misched: Handle "transient" non-instructions.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165701 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-10misched: fall-back to a target hook for instr bundles.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165606 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-10misched: Use the TargetSchedModel interface wherever possible.Andrew Trick
Allows the new machine model to be used for NumMicroOps and OutputLatency. Allows the HazardRecognizer to be disabled along with itineraries. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165603 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-09misched: Add computeInstrLatency to TargetSchedModel.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165566 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-09misched: Allow flags to disable hasInstrSchedModel/hasInstrItineraries for ↵Andrew Trick
external users of TargetSchedule. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165564 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Enable -schedmodel, but prefer itineraries until we have more benchmark data.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165188 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18TargetSchedule: cleanup computeOperandLatency logic & diagnostics.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164154 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18TargetSchedModel API. Implement latency lookup, disabled.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164098 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17Revert r164061-r164067. Most of the new subtarget emitter.Andrew Trick
I have to work out the Target/CodeGen header dependencies before putting this back. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164072 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17TargetSchedModel API. Implement latency lookup, disabled.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164065 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-14TargetSchedModel interface. To be implemented...Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163934 91177308-0d34-0410-b5e6-96231b3b80d8
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