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-rw-r--r--llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp12
1 files changed, 6 insertions, 6 deletions
diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
index ca9edba91b8..d9b8d9d38c2 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -857,7 +857,7 @@ private:
/// Checks if a bundle of instructions can be scheduled, i.e. has no
/// cyclic dependencies. This is only a dry-run, no instructions are
/// actually moved at this stage.
- bool tryScheduleBundle(ArrayRef<Value *> VL, BoUpSLP *SLP);
+ bool tryScheduleBundle(ArrayRef<Value *> VL, BoUpSLP *SLP, Value *OpValue);
/// Un-bundles a group of instructions.
void cancelScheduling(ArrayRef<Value *> VL, Value *OpValue);
@@ -1237,7 +1237,7 @@ void BoUpSLP::buildTree_rec(ArrayRef<Value *> VL, unsigned Depth,
}
BlockScheduling &BS = *BSRef.get();
- if (!BS.tryScheduleBundle(VL, this)) {
+ if (!BS.tryScheduleBundle(VL, this, VL0)) {
DEBUG(dbgs() << "SLP: We are not able to schedule this bundle!\n");
assert((!BS.getScheduleData(VL[0]) ||
!BS.getScheduleData(VL[0])->isPartOfBundle()) &&
@@ -3097,8 +3097,8 @@ void BoUpSLP::optimizeGatherSequence() {
// Groups the instructions to a bundle (which is then a single scheduling entity)
// and schedules instructions until the bundle gets ready.
bool BoUpSLP::BlockScheduling::tryScheduleBundle(ArrayRef<Value *> VL,
- BoUpSLP *SLP) {
- if (isa<PHINode>(VL[0]))
+ BoUpSLP *SLP, Value *OpValue) {
+ if (isa<PHINode>(OpValue))
return true;
// Initialize the instruction bundle.
@@ -3106,7 +3106,7 @@ bool BoUpSLP::BlockScheduling::tryScheduleBundle(ArrayRef<Value *> VL,
ScheduleData *PrevInBundle = nullptr;
ScheduleData *Bundle = nullptr;
bool ReSchedule = false;
- DEBUG(dbgs() << "SLP: bundle: " << *VL[0] << "\n");
+ DEBUG(dbgs() << "SLP: bundle: " << *OpValue << "\n");
// Make sure that the scheduling region contains all
// instructions of the bundle.
@@ -3177,7 +3177,7 @@ bool BoUpSLP::BlockScheduling::tryScheduleBundle(ArrayRef<Value *> VL,
}
}
if (!Bundle->isReady()) {
- cancelScheduling(VL, VL[0]);
+ cancelScheduling(VL, OpValue);
return false;
}
return true;
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