diff options
| author | Alexander Kornienko <alexfh@google.com> | 2013-03-26 02:28:59 +0000 |
|---|---|---|
| committer | Alexander Kornienko <alexfh@google.com> | 2013-03-26 02:28:59 +0000 |
| commit | d934545ae6a00aa8a8179a93d11cbd93a5240849 (patch) | |
| tree | ab44db08aa63a8f94a3e09d6491c4156c624af96 /lib/Transforms/Scalar/LoopStrengthReduce.cpp | |
| parent | 868d4470cdfa9472353ea2a49a6c456ddae9c95b (diff) | |
| parent | c204410d6bc435e7cb8ea768759a54135e8e92b5 (diff) | |
Updating branches/google/testing to r177703testing
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/google/testing@177985 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Scalar/LoopStrengthReduce.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/LoopStrengthReduce.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp index 4e4cb86464..9562cf8d5d 100644 --- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp +++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp @@ -895,7 +895,7 @@ void Cost::RatePrimaryRegister(const SCEV *Reg, } if (Regs.insert(Reg)) { RateRegister(Reg, Regs, L, SE, DT); - if (isLoser()) + if (LoserRegs && isLoser()) LoserRegs->insert(Reg); } } @@ -2716,6 +2716,7 @@ void LSRInstance::GenerateIVChain(const IVChain &Chain, SCEVExpander &Rewriter, // by LSR. const IVInc &Head = Chain.Incs[0]; User::op_iterator IVOpEnd = Head.UserInst->op_end(); + // findIVOperand returns IVOpEnd if it can no longer find a valid IV user. User::op_iterator IVOpIter = findIVOperand(Head.UserInst->op_begin(), IVOpEnd, L, SE); Value *IVSrc = 0; |