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Analysis: take a reference instead of pointer

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This parameter is never null.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216356 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dylan Noblesmith 2014-08-25 00:28:35 +00:00
parent c97e8d8ddc
commit 75129f6f4c
2 changed files with 6 additions and 7 deletions
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2
include/llvm/Analysis/DependenceAnalysis.h
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@ -331,7 +331,7 @@ namespace llvm {
///
/// breaks the dependence and allows us to vectorize/parallelize
/// both loops.
const SCEV *getSplitIteration(const Dependence *Dep, unsigned Level);
const SCEV *getSplitIteration(const Dependence &Dep, unsigned Level);
private:
AliasAnalysis *AA;

11
lib/Analysis/DependenceAnalysis.cpp
View File

@ -168,7 +168,7 @@ void dumpExampleDependence(raw_ostream &OS, Function *F,
for (unsigned Level = 1; Level <= D->getLevels(); Level++) {
if (D->isSplitable(Level)) {
OS << "da analyze - split level = " << Level;
OS << ", iteration = " << *DA->getSplitIteration(D, Level);
OS << ", iteration = " << *DA->getSplitIteration(*D, Level);
OS << "!\n";
}
}
@ -3729,13 +3729,12 @@ Dependence *DependenceAnalysis::depends(Instruction *Src,
//
// breaks the dependence and allows us to vectorize/parallelize
// both loops.
const SCEV *DependenceAnalysis::getSplitIteration(const Dependence *Dep,
const SCEV *DependenceAnalysis::getSplitIteration(const Dependence &Dep,
unsigned SplitLevel) {
assert(Dep && "expected a pointer to a Dependence");
assert(Dep->isSplitable(SplitLevel) &&
assert(Dep.isSplitable(SplitLevel) &&
"Dep should be splitable at SplitLevel");
Instruction *Src = Dep->getSrc();
Instruction *Dst = Dep->getDst();
Instruction *Src = Dep.getSrc();
Instruction *Dst = Dep.getDst();
assert(Src->mayReadFromMemory() || Src->mayWriteToMemory());
assert(Dst->mayReadFromMemory() || Dst->mayWriteToMemory());
assert(isLoadOrStore(Src));