diff options
| author | Sebastian Pop <spop@codeaurora.org> | 2013-11-13 22:37:58 +0000 |
|---|---|---|
| committer | Sebastian Pop <spop@codeaurora.org> | 2013-11-13 22:37:58 +0000 |
| commit | f44941d81dc30cfd357c12292059721c9644a27f (patch) | |
| tree | b081d48e5604ff534147a37cac531f512268522c /lib/Analysis/Delinearization.cpp | |
| parent | c9024c6ebcea89746e01207195eeb52c60c3c3bb (diff) | |
| download | external_llvm-f44941d81dc30cfd357c12292059721c9644a27f.zip external_llvm-f44941d81dc30cfd357c12292059721c9644a27f.tar.gz external_llvm-f44941d81dc30cfd357c12292059721c9644a27f.tar.bz2 | |
add more comments around the delinearization of arrays
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194612 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/Delinearization.cpp')
| -rw-r--r-- | lib/Analysis/Delinearization.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Analysis/Delinearization.cpp b/lib/Analysis/Delinearization.cpp index 6cc27b6..3ed0609 100644 --- a/lib/Analysis/Delinearization.cpp +++ b/lib/Analysis/Delinearization.cpp @@ -83,6 +83,8 @@ void Delinearization::print(raw_ostream &O, const Module *) const { O << "Delinearization on function " << F->getName() << ":\n"; for (inst_iterator I = inst_begin(F), E = inst_end(F); I != E; ++I) { Instruction *Inst = &(*I); + + // Only analyze loads and stores. if (!isa<StoreInst>(Inst) && !isa<LoadInst>(Inst) && !isa<GetElementPtrInst>(Inst)) continue; @@ -93,6 +95,8 @@ void Delinearization::print(raw_ostream &O, const Module *) const { for (Loop *L = LI->getLoopFor(BB); L != NULL; L = L->getParentLoop()) { const SCEV *AccessFn = SE->getSCEVAtScope(getPointerOperand(*Inst), L); const SCEVAddRecExpr *AR = dyn_cast<SCEVAddRecExpr>(AccessFn); + + // Do not try to delinearize memory accesses that are not AddRecs. if (!AR) break; |