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authorDimitry Andric <dim@FreeBSD.org>2017-07-13 19:25:18 +0000
committerDimitry Andric <dim@FreeBSD.org>2017-07-13 19:25:18 +0000
commitca089b24d48ef6fa8da2d0bb8c25bb802c4a95c0 (patch)
tree3a28a772df9b17aef34f49e3c727965ad28c0c93 /lib/Analysis/DependenceAnalysis.cpp
parent9df3605dea17e84f8183581f6103bd0c79e2a606 (diff)
Notes
Diffstat (limited to 'lib/Analysis/DependenceAnalysis.cpp')
-rw-r--r--lib/Analysis/DependenceAnalysis.cpp7
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/Analysis/DependenceAnalysis.cpp b/lib/Analysis/DependenceAnalysis.cpp
index e4d58bf1b4eb..34eccc07f265 100644
--- a/lib/Analysis/DependenceAnalysis.cpp
+++ b/lib/Analysis/DependenceAnalysis.cpp
@@ -3342,7 +3342,8 @@ DependenceInfo::depends(Instruction *Src, Instruction *Dst,
UsefulGEP = isLoopInvariant(SrcPtrSCEV, LI->getLoopFor(Src->getParent())) &&
isLoopInvariant(DstPtrSCEV, LI->getLoopFor(Dst->getParent())) &&
- (SrcGEP->getNumOperands() == DstGEP->getNumOperands());
+ (SrcGEP->getNumOperands() == DstGEP->getNumOperands()) &&
+ isKnownPredicate(CmpInst::ICMP_EQ, SrcPtrSCEV, DstPtrSCEV);
}
unsigned Pairs = UsefulGEP ? SrcGEP->idx_end() - SrcGEP->idx_begin() : 1;
SmallVector<Subscript, 4> Pair(Pairs);
@@ -3371,7 +3372,7 @@ DependenceInfo::depends(Instruction *Src, Instruction *Dst,
if (Delinearize && CommonLevels > 1) {
if (tryDelinearize(Src, Dst, Pair)) {
- DEBUG(dbgs() << " delinerized GEP\n");
+ DEBUG(dbgs() << " delinearized GEP\n");
Pairs = Pair.size();
}
}
@@ -3796,7 +3797,7 @@ const SCEV *DependenceInfo::getSplitIteration(const Dependence &Dep,
if (Delinearize && CommonLevels > 1) {
if (tryDelinearize(Src, Dst, Pair)) {
- DEBUG(dbgs() << " delinerized GEP\n");
+ DEBUG(dbgs() << " delinearized GEP\n");
Pairs = Pair.size();
}
}