diff options
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp index fb0d2b3de48..fdd71df2403 100644 --- a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp +++ b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp @@ -1160,6 +1160,12 @@ public: } // end anonymous namespace +static bool isAMCompletelyFolded(const TargetTransformInfo &TTI, + LSRUse::KindType Kind, MemAccessTy AccessTy, + GlobalValue *BaseGV, int64_t BaseOffset, + bool HasBaseReg, int64_t Scale, + Instruction *Fixup = nullptr); + /// Tally up interesting quantities from the given register. void Cost::RateRegister(const SCEV *Reg, SmallPtrSetImpl<const SCEV *> &Regs, @@ -1288,7 +1294,8 @@ void Cost::RateFormula(const TargetTransformInfo &TTI, // Check with target if this offset with this instruction is // specifically not supported. if (LU.Kind == LSRUse::Address && Offset != 0 && - !TTI.isFoldableMemAccessOffset(Fixup.UserInst, Offset)) + !isAMCompletelyFolded(TTI, LSRUse::Address, LU.AccessTy, F.BaseGV, + Offset, F.HasBaseReg, F.Scale, Fixup.UserInst)) C.NumBaseAdds++; } @@ -1543,7 +1550,7 @@ static bool isAMCompletelyFolded(const TargetTransformInfo &TTI, LSRUse::KindType Kind, MemAccessTy AccessTy, GlobalValue *BaseGV, int64_t BaseOffset, bool HasBaseReg, int64_t Scale, - Instruction *Fixup = nullptr) { + Instruction *Fixup/*= nullptr*/) { switch (Kind) { case LSRUse::Address: return TTI.isLegalAddressingMode(AccessTy.MemTy, BaseGV, BaseOffset, |
