diff options
| author | Dan Gohman <gohman@apple.com> | 2008-06-22 19:23:09 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2008-06-22 19:23:09 +0000 |
| commit | 6829fffaeeb6f1de974183d7f34299a4ed2736e6 (patch) | |
| tree | 4859cf7993bae2858fccc1836365b1ef9215e1a9 /llvm/lib/Analysis/ScalarEvolutionExpander.cpp | |
| parent | 1f2b2a4abe95d8602bacffbfb4c6e4c797b9e437 (diff) | |
| download | bcm5719-llvm-6829fffaeeb6f1de974183d7f34299a4ed2736e6.tar.gz bcm5719-llvm-6829fffaeeb6f1de974183d7f34299a4ed2736e6.zip | |
Use SCEVAddRecExpr::isAffine.
llvm-svn: 52614
Diffstat (limited to 'llvm/lib/Analysis/ScalarEvolutionExpander.cpp')
| -rw-r--r-- | llvm/lib/Analysis/ScalarEvolutionExpander.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Analysis/ScalarEvolutionExpander.cpp b/llvm/lib/Analysis/ScalarEvolutionExpander.cpp index 07850f77a14..593e27300d3 100644 --- a/llvm/lib/Analysis/ScalarEvolutionExpander.cpp +++ b/llvm/lib/Analysis/ScalarEvolutionExpander.cpp @@ -147,7 +147,7 @@ Value *SCEVExpander::visitAddRecExpr(SCEVAddRecExpr *S) { } // {0,+,1} --> Insert a canonical induction variable into the loop! - if (S->getNumOperands() == 2 && + if (S->isAffine() && S->getOperand(1) == SE.getIntegerSCEV(1, Ty)) { // Create and insert the PHI node for the induction variable in the // specified loop. @@ -178,7 +178,7 @@ Value *SCEVExpander::visitAddRecExpr(SCEVAddRecExpr *S) { Value *I = getOrInsertCanonicalInductionVariable(L, Ty); // If this is a simple linear addrec, emit it now as a special case. - if (S->getNumOperands() == 2) { // {0,+,F} --> i*F + if (S->isAffine()) { // {0,+,F} --> i*F Value *F = expand(S->getOperand(1)); // IF the step is by one, just return the inserted IV. |
