Author: Kazu Hirata Date: 2021-01-09T09:24:56-08:00 New Revision: 9a7c03b80092d8efb57f7176d14b2bfa7743f245
URL: https://github.com/llvm/llvm-project/commit/9a7c03b80092d8efb57f7176d14b2bfa7743f245 DIFF: https://github.com/llvm/llvm-project/commit/9a7c03b80092d8efb57f7176d14b2bfa7743f245.diff LOG: [SCEV] Remove unused getOrInsertCanonicalInductionVariable (NFC) The last use was removed on Mar 22, 2012 in commit f47d0af5515bee47dfd000363740fe347bb6cd18. Added: Modified: llvm/include/llvm/Transforms/Utils/ScalarEvolutionExpander.h llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp Removed: ################################################################################ diff --git a/llvm/include/llvm/Transforms/Utils/ScalarEvolutionExpander.h b/llvm/include/llvm/Transforms/Utils/ScalarEvolutionExpander.h index 68eccdfd011d..547245cfb963 100644 --- a/llvm/include/llvm/Transforms/Utils/ScalarEvolutionExpander.h +++ b/llvm/include/llvm/Transforms/Utils/ScalarEvolutionExpander.h @@ -247,12 +247,6 @@ class SCEVExpander : public SCEVVisitor<SCEVExpander, Value *> { return false; } - /// This method returns the canonical induction variable of the specified - /// type for the specified loop (inserting one if there is none). A - /// canonical induction variable starts at zero and steps by one on each - /// iteration. - PHINode *getOrInsertCanonicalInductionVariable(const Loop *L, Type *Ty); - /// Return the induction variable increment's IV operand. Instruction *getIVIncOperand(Instruction *IncV, Instruction *InsertPos, bool allowScale); diff --git a/llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp b/llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp index f58e2d927840..f3a8d75dc853 100644 --- a/llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp +++ b/llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp @@ -1986,28 +1986,6 @@ void SCEVExpander::rememberInstruction(Value *I) { } } -/// getOrInsertCanonicalInductionVariable - This method returns the -/// canonical induction variable of the specified type for the specified -/// loop (inserting one if there is none). A canonical induction variable -/// starts at zero and steps by one on each iteration. -PHINode * -SCEVExpander::getOrInsertCanonicalInductionVariable(const Loop *L, - Type *Ty) { - assert(Ty->isIntegerTy() && "Can only insert integer induction variables!"); - - // Build a SCEV for {0,+,1}<L>. - // Conservatively use FlagAnyWrap for now. - const SCEV *H = SE.getAddRecExpr(SE.getConstant(Ty, 0), - SE.getConstant(Ty, 1), L, SCEV::FlagAnyWrap); - - // Emit code for it. - SCEVInsertPointGuard Guard(Builder, this); - PHINode *V = cast<PHINode>(expandCodeForImpl( - H, nullptr, &*L->getHeader()->getFirstInsertionPt(), false)); - - return V; -} - /// replaceCongruentIVs - Check for congruent phis in this loop header and /// replace them with their most canonical representative. Return the number of /// phis eliminated. _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
