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author | Cameron Zwarich <zwarich@apple.com> | 2011-01-18 04:11:31 +0000 |
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committer | Cameron Zwarich <zwarich@apple.com> | 2011-01-18 04:11:31 +0000 |
commit | 301278719b67dcdd1159d9f91b4db5ef57f025c6 (patch) | |
tree | 5c48b09ce99128a0376bf9b033d0d4c7169f4d73 /lib/Transforms/Utils/BasicBlockUtils.cpp | |
parent | b1686c32fc694636cbf15a59b23b2a741b65ecf4 (diff) | |
download | llvm-301278719b67dcdd1159d9f91b4db5ef57f025c6.tar.gz llvm-301278719b67dcdd1159d9f91b4db5ef57f025c6.tar.bz2 llvm-301278719b67dcdd1159d9f91b4db5ef57f025c6.tar.xz |
Remove code for updating dominance frontiers and some outdated references to
dominance and post-dominance frontiers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123725 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Utils/BasicBlockUtils.cpp')
-rw-r--r-- | lib/Transforms/Utils/BasicBlockUtils.cpp | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/lib/Transforms/Utils/BasicBlockUtils.cpp b/lib/Transforms/Utils/BasicBlockUtils.cpp index c5b9707049..5d3af3759a 100644 --- a/lib/Transforms/Utils/BasicBlockUtils.cpp +++ b/lib/Transforms/Utils/BasicBlockUtils.cpp @@ -19,7 +19,7 @@ #include "llvm/Constant.h" #include "llvm/Type.h" #include "llvm/Analysis/AliasAnalysis.h" -#include "llvm/Analysis/DominanceFrontier.h" +#include "llvm/Analysis/Dominators.h" #include "llvm/Analysis/LoopInfo.h" #include "llvm/Analysis/MemoryDependenceAnalysis.h" #include "llvm/Target/TargetData.h" @@ -311,9 +311,6 @@ BasicBlock *llvm::SplitBlock(BasicBlock *Old, Instruction *SplitPt, Pass *P) { DT->changeImmediateDominator(*I, NewNode); } - if (DominanceFrontier *DF = P->getAnalysisIfAvailable<DominanceFrontier>()) - DF->splitBlock(Old); - return New; } @@ -325,10 +322,9 @@ BasicBlock *llvm::SplitBlock(BasicBlock *Old, Instruction *SplitPt, Pass *P) { /// suffix of 'Suffix'. /// /// This currently updates the LLVM IR, AliasAnalysis, DominatorTree, -/// DominanceFrontier, LoopInfo, and LCCSA but no other analyses. -/// In particular, it does not preserve LoopSimplify (because it's -/// complicated to handle the case where one of the edges being split -/// is an exit of a loop with other exits). +/// LoopInfo, and LCCSA but no other analyses. In particular, it does not +/// preserve LoopSimplify (because it's complicated to handle the case where one +/// of the edges being split is an exit of a loop with other exits). /// BasicBlock *llvm::SplitBlockPredecessors(BasicBlock *BB, BasicBlock *const *Preds, @@ -378,13 +374,10 @@ BasicBlock *llvm::SplitBlockPredecessors(BasicBlock *BB, } } - // Update dominator tree and dominator frontier if available. + // Update dominator tree if available. DominatorTree *DT = P ? P->getAnalysisIfAvailable<DominatorTree>() : 0; if (DT) DT->splitBlock(NewBB); - if (DominanceFrontier *DF = - P ? P->getAnalysisIfAvailable<DominanceFrontier>() : 0) - DF->splitBlock(NewBB); // Insert a new PHI node into NewBB for every PHI node in BB and that new PHI // node becomes an incoming value for BB's phi node. However, if the Preds |