diff options
Diffstat (limited to 'lib/CodeGen/PostRAHazardRecognizer.cpp')
| -rw-r--r-- | lib/CodeGen/PostRAHazardRecognizer.cpp | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/lib/CodeGen/PostRAHazardRecognizer.cpp b/lib/CodeGen/PostRAHazardRecognizer.cpp index cbde2b0..2e39196 100644 --- a/lib/CodeGen/PostRAHazardRecognizer.cpp +++ b/lib/CodeGen/PostRAHazardRecognizer.cpp @@ -23,19 +23,19 @@ using namespace llvm; PostRAHazardRecognizer:: -PostRAHazardRecognizer(const InstrItineraryData &LItinData) : +PostRAHazardRecognizer(const InstrItineraryData *LItinData) : ScheduleHazardRecognizer(), ItinData(LItinData) { // Determine the maximum depth of any itinerary. This determines the // depth of the scoreboard. We always make the scoreboard at least 1 // cycle deep to avoid dealing with the boundary condition. unsigned ScoreboardDepth = 1; - if (!ItinData.isEmpty()) { + if (ItinData && !ItinData->isEmpty()) { for (unsigned idx = 0; ; ++idx) { - if (ItinData.isEndMarker(idx)) + if (ItinData->isEndMarker(idx)) break; - const InstrStage *IS = ItinData.beginStage(idx); - const InstrStage *E = ItinData.endStage(idx); + const InstrStage *IS = ItinData->beginStage(idx); + const InstrStage *E = ItinData->endStage(idx); unsigned ItinDepth = 0; for (; IS != E; ++IS) ItinDepth += IS->getCycles(); @@ -74,7 +74,7 @@ void PostRAHazardRecognizer::ScoreBoard::dump() const { ScheduleHazardRecognizer::HazardType PostRAHazardRecognizer::getHazardType(SUnit *SU) { - if (ItinData.isEmpty()) + if (!ItinData || ItinData->isEmpty()) return NoHazard; unsigned cycle = 0; @@ -82,8 +82,8 @@ PostRAHazardRecognizer::getHazardType(SUnit *SU) { // Use the itinerary for the underlying instruction to check for // free FU's in the scoreboard at the appropriate future cycles. unsigned idx = SU->getInstr()->getDesc().getSchedClass(); - for (const InstrStage *IS = ItinData.beginStage(idx), - *E = ItinData.endStage(idx); IS != E; ++IS) { + for (const InstrStage *IS = ItinData->beginStage(idx), + *E = ItinData->endStage(idx); IS != E; ++IS) { // We must find one of the stage's units free for every cycle the // stage is occupied. FIXME it would be more accurate to find the // same unit free in all the cycles. @@ -121,7 +121,7 @@ PostRAHazardRecognizer::getHazardType(SUnit *SU) { } void PostRAHazardRecognizer::EmitInstruction(SUnit *SU) { - if (ItinData.isEmpty()) + if (!ItinData || ItinData->isEmpty()) return; unsigned cycle = 0; @@ -129,8 +129,8 @@ void PostRAHazardRecognizer::EmitInstruction(SUnit *SU) { // Use the itinerary for the underlying instruction to reserve FU's // in the scoreboard at the appropriate future cycles. unsigned idx = SU->getInstr()->getDesc().getSchedClass(); - for (const InstrStage *IS = ItinData.beginStage(idx), - *E = ItinData.endStage(idx); IS != E; ++IS) { + for (const InstrStage *IS = ItinData->beginStage(idx), + *E = ItinData->endStage(idx); IS != E; ++IS) { // We must reserve one of the stage's units for every cycle the // stage is occupied. FIXME it would be more accurate to reserve // the same unit free in all the cycles. |