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authorAndrew Trick <atrick@apple.com>2012-09-18 18:20:00 +0000
committerAndrew Trick <atrick@apple.com>2012-09-18 18:20:00 +0000
commit781ab4777f683099b919597431022c77854ed415 (patch)
tree36447dc7435487cb6b1d11533d88b1f3678defdc /lib/CodeGen/ScheduleDAGInstrs.cpp
parent37236515cfac7d60a9e1ee6f734618e6939db8c5 (diff)
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misched: Make ScheduleDAGInstrs use the TargetSchedule interface.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164153 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/ScheduleDAGInstrs.cpp')
-rw-r--r--lib/CodeGen/ScheduleDAGInstrs.cpp30
1 files changed, 14 insertions, 16 deletions
diff --git a/lib/CodeGen/ScheduleDAGInstrs.cpp b/lib/CodeGen/ScheduleDAGInstrs.cpp
index 647fee8017..a1a4efd108 100644
--- a/lib/CodeGen/ScheduleDAGInstrs.cpp
+++ b/lib/CodeGen/ScheduleDAGInstrs.cpp
@@ -52,6 +52,9 @@ ScheduleDAGInstrs::ScheduleDAGInstrs(MachineFunction &mf,
DbgValues.clear();
assert(!(IsPostRA && MRI.getNumVirtRegs()) &&
"Virtual registers must be removed prior to PostRA scheduling");
+
+ const TargetSubtargetInfo &ST = TM.getSubtarget<TargetSubtargetInfo>();
+ SchedModel.init(*ST.getSchedModel(), &ST, TII);
}
/// getUnderlyingObjectFromInt - This is the function that does the work of
@@ -274,15 +277,13 @@ void ScheduleDAGInstrs::addPhysRegDataDeps(SUnit *SU, unsigned OperIdx) {
// perform its own adjustments.
SDep dep(SU, SDep::Data, LDataLatency, *Alias);
if (!UnitLatencies) {
- unsigned Latency =
- TII->computeOperandLatency(InstrItins, SU->getInstr(), OperIdx,
- (UseOp < 0 ? 0 : UseMI), UseOp);
- dep.setLatency(Latency);
- unsigned MinLatency =
- TII->computeOperandLatency(InstrItins, SU->getInstr(), OperIdx,
- (UseOp < 0 ? 0 : UseMI), UseOp,
- /*FindMin=*/true);
- dep.setMinLatency(MinLatency);
+ MachineInstr *RegUse = UseOp < 0 ? 0 : UseMI;
+ dep.setLatency(
+ SchedModel.computeOperandLatency(SU->getInstr(), OperIdx,
+ RegUse, UseOp, /*FindMin=*/false));
+ dep.setMinLatency(
+ SchedModel.computeOperandLatency(SU->getInstr(), OperIdx,
+ RegUse, UseOp, /*FindMin=*/true));
ST.adjustSchedDependency(SU, UseSU, dep);
}
@@ -477,13 +478,10 @@ void ScheduleDAGInstrs::addVRegUseDeps(SUnit *SU, unsigned OperIdx) {
// Adjust the dependence latency using operand def/use information, then
// allow the target to perform its own adjustments.
int DefOp = Def->findRegisterDefOperandIdx(Reg);
- unsigned Latency =
- TII->computeOperandLatency(InstrItins, Def, DefOp, MI, OperIdx);
- dep.setLatency(Latency);
- unsigned MinLatency =
- TII->computeOperandLatency(InstrItins, Def, DefOp, MI, OperIdx,
- /*FindMin=*/true);
- dep.setMinLatency(MinLatency);
+ dep.setLatency(
+ SchedModel.computeOperandLatency(Def, DefOp, MI, OperIdx, false));
+ dep.setMinLatency(
+ SchedModel.computeOperandLatency(Def, DefOp, MI, OperIdx, true));
const TargetSubtargetInfo &ST = TM.getSubtarget<TargetSubtargetInfo>();
ST.adjustSchedDependency(DefSU, SU, const_cast<SDep &>(dep));