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author | Dan Gohman <gohman@apple.com> | 2010-07-20 16:34:50 +0000 |
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committer | Dan Gohman <gohman@apple.com> | 2010-07-20 16:34:50 +0000 |
commit | 191f2e4dbdb23469a5bc44e572df620150f92fe3 (patch) | |
tree | acb8c1b5e751a21e553fae889f8e01d8784cd842 /llvm/lib/Analysis/ScalarEvolutionNormalization.cpp | |
parent | 704524ae7087bd44a03d7c3e110e8ac9b7ffba9c (diff) | |
download | bcm5719-llvm-191f2e4dbdb23469a5bc44e572df620150f92fe3.tar.gz bcm5719-llvm-191f2e4dbdb23469a5bc44e572df620150f92fe3.zip |
Change an argument from an Instruction* to a Value*, which is all
that is needed here.
llvm-svn: 108850
Diffstat (limited to 'llvm/lib/Analysis/ScalarEvolutionNormalization.cpp')
-rw-r--r-- | llvm/lib/Analysis/ScalarEvolutionNormalization.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/llvm/lib/Analysis/ScalarEvolutionNormalization.cpp b/llvm/lib/Analysis/ScalarEvolutionNormalization.cpp index d9e909c9566..e78d65edb6b 100644 --- a/llvm/lib/Analysis/ScalarEvolutionNormalization.cpp +++ b/llvm/lib/Analysis/ScalarEvolutionNormalization.cpp @@ -26,7 +26,7 @@ using namespace llvm; /// post-inc value when we cannot) or it can end up adding extra live-ranges to /// the loop, resulting in reg-reg copies (if we use the pre-inc value when we /// should use the post-inc value). -static bool IVUseShouldUsePostIncValue(Instruction *User, Instruction *IV, +static bool IVUseShouldUsePostIncValue(Instruction *User, Value *Operand, const Loop *L, DominatorTree *DT) { // If the user is in the loop, use the preinc value. if (L->contains(User)) return false; @@ -47,15 +47,15 @@ static bool IVUseShouldUsePostIncValue(Instruction *User, Instruction *IV, PHINode *PN = dyn_cast<PHINode>(User); if (!PN) return false; // not a phi, not dominated by latch block. - // Look at all of the uses of IV by the PHI node. If any use corresponds to - // a block that is not dominated by the latch block, give up and use the + // Look at all of the uses of Operand by the PHI node. If any use corresponds + // to a block that is not dominated by the latch block, give up and use the // preincremented value. for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i) - if (PN->getIncomingValue(i) == IV && + if (PN->getIncomingValue(i) == Operand && !DT->dominates(LatchBlock, PN->getIncomingBlock(i))) return false; - // Okay, all uses of IV by PN are in predecessor blocks that really are + // Okay, all uses of Operand by PN are in predecessor blocks that really are // dominated by the latch block. Use the post-incremented value. return true; } |