diff options
| author | Vikram S. Adve <vadve@cs.uiuc.edu> | 2002-10-13 00:40:37 +0000 |
|---|---|---|
| committer | Vikram S. Adve <vadve@cs.uiuc.edu> | 2002-10-13 00:40:37 +0000 |
| commit | 1632e882f1a4a0a18be5821020a1bd2029656d80 (patch) | |
| tree | f4441598dcafd3771be2a66e52ec02b33b99b776 /lib/CodeGen/InstrSched/InstrScheduling.cpp | |
| parent | acf0f704f91ec826049fd706883397086ae6d324 (diff) | |
Use vectors instead of hash_maps for issueGaps and conflictLists.
These hash lookups were a major sink of time because they happen so often!
Also, add option to disable scheduling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4138 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/InstrSched/InstrScheduling.cpp')
| -rw-r--r-- | lib/CodeGen/InstrSched/InstrScheduling.cpp | 24 |
1 files changed, 9 insertions, 15 deletions
diff --git a/lib/CodeGen/InstrSched/InstrScheduling.cpp b/lib/CodeGen/InstrSched/InstrScheduling.cpp index 97360c3dd0..a985680da3 100644 --- a/lib/CodeGen/InstrSched/InstrScheduling.cpp +++ b/lib/CodeGen/InstrSched/InstrScheduling.cpp @@ -25,7 +25,6 @@ SDL_opt("dsched", cl::Hidden, cl::location(SchedDebugLevel), cl::desc("enable instruction scheduling debugging information"), cl::values( clEnumValN(Sched_NoDebugInfo, "n", "disable debug output"), - clEnumValN(Sched_Disable, "off", "disable instruction scheduling"), clEnumValN(Sched_PrintMachineCode, "y", "print machine code after scheduling"), clEnumValN(Sched_PrintSchedTrace, "t", "print trace of scheduling actions"), clEnumValN(Sched_PrintSchedGraphs, "g", "print scheduling graphs"), @@ -549,19 +548,17 @@ SchedulingManager::updateEarliestStartTimes(const SchedGraphNode* node, curTime + 1 + schedInfo.numBubblesAfter(node->getOpCode())); } - const vector<MachineOpCode>* + const std::vector<MachineOpCode>& conflictVec = schedInfo.getConflictList(node->getOpCode()); - if (conflictVec != NULL) - for (unsigned i=0; i < conflictVec->size(); i++) - { - MachineOpCode toOp = (*conflictVec)[i]; - cycles_t est = schedTime + schedInfo.getMinIssueGap(node->getOpCode(), - toOp); - assert(toOp < (int) nextEarliestStartTime.size()); - if (nextEarliestStartTime[toOp] < est) - nextEarliestStartTime[toOp] = est; - } + for (unsigned i=0; i < conflictVec.size(); i++) + { + MachineOpCode toOp = conflictVec[i]; + cycles_t est=schedTime + schedInfo.getMinIssueGap(node->getOpCode(),toOp); + assert(toOp < (int) nextEarliestStartTime.size()); + if (nextEarliestStartTime[toOp] < est) + nextEarliestStartTime[toOp] = est; + } } //************************* Internal Functions *****************************/ @@ -1511,9 +1508,6 @@ namespace { bool InstructionSchedulingWithSSA::runOnFunction(Function &F) { - if (SchedDebugLevel == Sched_Disable) - return false; - SchedGraphSet graphSet(&F, target); if (SchedDebugLevel >= Sched_PrintSchedGraphs) |