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-rw-r--r--lib/Analysis/InstructionSimplify.cpp120
1 files changed, 60 insertions, 60 deletions
diff --git a/lib/Analysis/InstructionSimplify.cpp b/lib/Analysis/InstructionSimplify.cpp
index 0cb0982..99c477d 100644
--- a/lib/Analysis/InstructionSimplify.cpp
+++ b/lib/Analysis/InstructionSimplify.cpp
@@ -45,13 +45,13 @@ STATISTIC(NumReassoc, "Number of reassociations");
namespace {
struct Query {
- const DataLayout *DL;
+ const DataLayout &DL;
const TargetLibraryInfo *TLI;
const DominatorTree *DT;
AssumptionCache *AC;
const Instruction *CxtI;
- Query(const DataLayout *DL, const TargetLibraryInfo *tli,
+ Query(const DataLayout &DL, const TargetLibraryInfo *tli,
const DominatorTree *dt, AssumptionCache *ac = nullptr,
const Instruction *cxti = nullptr)
: DL(DL), TLI(tli), DT(dt), AC(ac), CxtI(cxti) {}
@@ -584,7 +584,7 @@ static Value *SimplifyAddInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW,
}
Value *llvm::SimplifyAddInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW,
- const DataLayout *DL, const TargetLibraryInfo *TLI,
+ const DataLayout &DL, const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
return ::SimplifyAddInst(Op0, Op1, isNSW, isNUW, Query(DL, TLI, DT, AC, CxtI),
@@ -601,17 +601,11 @@ Value *llvm::SimplifyAddInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW,
/// This is very similar to GetPointerBaseWithConstantOffset except it doesn't
/// follow non-inbounds geps. This allows it to remain usable for icmp ult/etc.
/// folding.
-static Constant *stripAndComputeConstantOffsets(const DataLayout *DL,
- Value *&V,
+static Constant *stripAndComputeConstantOffsets(const DataLayout &DL, Value *&V,
bool AllowNonInbounds = false) {
assert(V->getType()->getScalarType()->isPointerTy());
- // Without DataLayout, just be conservative for now. Theoretically, more could
- // be done in this case.
- if (!DL)
- return ConstantInt::get(IntegerType::get(V->getContext(), 64), 0);
-
- Type *IntPtrTy = DL->getIntPtrType(V->getType())->getScalarType();
+ Type *IntPtrTy = DL.getIntPtrType(V->getType())->getScalarType();
APInt Offset = APInt::getNullValue(IntPtrTy->getIntegerBitWidth());
// Even though we don't look through PHI nodes, we could be called on an
@@ -621,7 +615,7 @@ static Constant *stripAndComputeConstantOffsets(const DataLayout *DL,
do {
if (GEPOperator *GEP = dyn_cast<GEPOperator>(V)) {
if ((!AllowNonInbounds && !GEP->isInBounds()) ||
- !GEP->accumulateConstantOffset(*DL, Offset))
+ !GEP->accumulateConstantOffset(DL, Offset))
break;
V = GEP->getPointerOperand();
} else if (Operator::getOpcode(V) == Instruction::BitCast) {
@@ -646,8 +640,8 @@ static Constant *stripAndComputeConstantOffsets(const DataLayout *DL,
/// \brief Compute the constant difference between two pointer values.
/// If the difference is not a constant, returns zero.
-static Constant *computePointerDifference(const DataLayout *DL,
- Value *LHS, Value *RHS) {
+static Constant *computePointerDifference(const DataLayout &DL, Value *LHS,
+ Value *RHS) {
Constant *LHSOffset = stripAndComputeConstantOffsets(DL, LHS);
Constant *RHSOffset = stripAndComputeConstantOffsets(DL, RHS);
@@ -783,7 +777,7 @@ static Value *SimplifySubInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW,
}
Value *llvm::SimplifySubInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW,
- const DataLayout *DL, const TargetLibraryInfo *TLI,
+ const DataLayout &DL, const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
return ::SimplifySubInst(Op0, Op1, isNSW, isNUW, Query(DL, TLI, DT, AC, CxtI),
@@ -962,7 +956,7 @@ static Value *SimplifyMulInst(Value *Op0, Value *Op1, const Query &Q,
}
Value *llvm::SimplifyFAddInst(Value *Op0, Value *Op1, FastMathFlags FMF,
- const DataLayout *DL,
+ const DataLayout &DL,
const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
@@ -971,7 +965,7 @@ Value *llvm::SimplifyFAddInst(Value *Op0, Value *Op1, FastMathFlags FMF,
}
Value *llvm::SimplifyFSubInst(Value *Op0, Value *Op1, FastMathFlags FMF,
- const DataLayout *DL,
+ const DataLayout &DL,
const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
@@ -980,7 +974,7 @@ Value *llvm::SimplifyFSubInst(Value *Op0, Value *Op1, FastMathFlags FMF,
}
Value *llvm::SimplifyFMulInst(Value *Op0, Value *Op1, FastMathFlags FMF,
- const DataLayout *DL,
+ const DataLayout &DL,
const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
@@ -988,7 +982,7 @@ Value *llvm::SimplifyFMulInst(Value *Op0, Value *Op1, FastMathFlags FMF,
RecursionLimit);
}
-Value *llvm::SimplifyMulInst(Value *Op0, Value *Op1, const DataLayout *DL,
+Value *llvm::SimplifyMulInst(Value *Op0, Value *Op1, const DataLayout &DL,
const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
@@ -1092,7 +1086,7 @@ static Value *SimplifySDivInst(Value *Op0, Value *Op1, const Query &Q,
return nullptr;
}
-Value *llvm::SimplifySDivInst(Value *Op0, Value *Op1, const DataLayout *DL,
+Value *llvm::SimplifySDivInst(Value *Op0, Value *Op1, const DataLayout &DL,
const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
@@ -1110,7 +1104,7 @@ static Value *SimplifyUDivInst(Value *Op0, Value *Op1, const Query &Q,
return nullptr;
}
-Value *llvm::SimplifyUDivInst(Value *Op0, Value *Op1, const DataLayout *DL,
+Value *llvm::SimplifyUDivInst(Value *Op0, Value *Op1, const DataLayout &DL,
const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
@@ -1138,7 +1132,7 @@ static Value *SimplifyFDivInst(Value *Op0, Value *Op1, FastMathFlags FMF,
}
Value *llvm::SimplifyFDivInst(Value *Op0, Value *Op1, FastMathFlags FMF,
- const DataLayout *DL,
+ const DataLayout &DL,
const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
@@ -1217,7 +1211,7 @@ static Value *SimplifySRemInst(Value *Op0, Value *Op1, const Query &Q,
return nullptr;
}
-Value *llvm::SimplifySRemInst(Value *Op0, Value *Op1, const DataLayout *DL,
+Value *llvm::SimplifySRemInst(Value *Op0, Value *Op1, const DataLayout &DL,
const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
@@ -1235,7 +1229,7 @@ static Value *SimplifyURemInst(Value *Op0, Value *Op1, const Query &Q,
return nullptr;
}
-Value *llvm::SimplifyURemInst(Value *Op0, Value *Op1, const DataLayout *DL,
+Value *llvm::SimplifyURemInst(Value *Op0, Value *Op1, const DataLayout &DL,
const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
@@ -1263,7 +1257,7 @@ static Value *SimplifyFRemInst(Value *Op0, Value *Op1, FastMathFlags FMF,
}
Value *llvm::SimplifyFRemInst(Value *Op0, Value *Op1, FastMathFlags FMF,
- const DataLayout *DL,
+ const DataLayout &DL,
const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
@@ -1387,7 +1381,7 @@ static Value *SimplifyShlInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW,
}
Value *llvm::SimplifyShlInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW,
- const DataLayout *DL, const TargetLibraryInfo *TLI,
+ const DataLayout &DL, const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
return ::SimplifyShlInst(Op0, Op1, isNSW, isNUW, Query(DL, TLI, DT, AC, CxtI),
@@ -1411,7 +1405,7 @@ static Value *SimplifyLShrInst(Value *Op0, Value *Op1, bool isExact,
}
Value *llvm::SimplifyLShrInst(Value *Op0, Value *Op1, bool isExact,
- const DataLayout *DL,
+ const DataLayout &DL,
const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
@@ -1445,7 +1439,7 @@ static Value *SimplifyAShrInst(Value *Op0, Value *Op1, bool isExact,
}
Value *llvm::SimplifyAShrInst(Value *Op0, Value *Op1, bool isExact,
- const DataLayout *DL,
+ const DataLayout &DL,
const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
@@ -1596,9 +1590,11 @@ static Value *SimplifyAndInst(Value *Op0, Value *Op1, const Query &Q,
// A & (-A) = A if A is a power of two or zero.
if (match(Op0, m_Neg(m_Specific(Op1))) ||
match(Op1, m_Neg(m_Specific(Op0)))) {
- if (isKnownToBeAPowerOfTwo(Op0, /*OrZero*/ true, 0, Q.AC, Q.CxtI, Q.DT))
+ if (isKnownToBeAPowerOfTwo(Op0, Q.DL, /*OrZero*/ true, 0, Q.AC, Q.CxtI,
+ Q.DT))
return Op0;
- if (isKnownToBeAPowerOfTwo(Op1, /*OrZero*/ true, 0, Q.AC, Q.CxtI, Q.DT))
+ if (isKnownToBeAPowerOfTwo(Op1, Q.DL, /*OrZero*/ true, 0, Q.AC, Q.CxtI,
+ Q.DT))
return Op1;
}
@@ -1643,7 +1639,7 @@ static Value *SimplifyAndInst(Value *Op0, Value *Op1, const Query &Q,
return nullptr;
}
-Value *llvm::SimplifyAndInst(Value *Op0, Value *Op1, const DataLayout *DL,
+Value *llvm::SimplifyAndInst(Value *Op0, Value *Op1, const DataLayout &DL,
const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
@@ -1831,7 +1827,7 @@ static Value *SimplifyOrInst(Value *Op0, Value *Op1, const Query &Q,
return nullptr;
}
-Value *llvm::SimplifyOrInst(Value *Op0, Value *Op1, const DataLayout *DL,
+Value *llvm::SimplifyOrInst(Value *Op0, Value *Op1, const DataLayout &DL,
const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
@@ -1888,7 +1884,7 @@ static Value *SimplifyXorInst(Value *Op0, Value *Op1, const Query &Q,
return nullptr;
}
-Value *llvm::SimplifyXorInst(Value *Op0, Value *Op1, const DataLayout *DL,
+Value *llvm::SimplifyXorInst(Value *Op0, Value *Op1, const DataLayout &DL,
const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
@@ -1948,10 +1944,10 @@ static Value *ExtractEquivalentCondition(Value *V, CmpInst::Predicate Pred,
// If the C and C++ standards are ever made sufficiently restrictive in this
// area, it may be possible to update LLVM's semantics accordingly and reinstate
// this optimization.
-static Constant *computePointerICmp(const DataLayout *DL,
+static Constant *computePointerICmp(const DataLayout &DL,
const TargetLibraryInfo *TLI,
- CmpInst::Predicate Pred,
- Value *LHS, Value *RHS) {
+ CmpInst::Predicate Pred, Value *LHS,
+ Value *RHS) {
// First, skip past any trivial no-ops.
LHS = LHS->stripPointerCasts();
RHS = RHS->stripPointerCasts();
@@ -2369,8 +2365,8 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS,
// Turn icmp (ptrtoint x), (ptrtoint/constant) into a compare of the input
// if the integer type is the same size as the pointer type.
- if (MaxRecurse && Q.DL && isa<PtrToIntInst>(LI) &&
- Q.DL->getTypeSizeInBits(SrcTy) == DstTy->getPrimitiveSizeInBits()) {
+ if (MaxRecurse && isa<PtrToIntInst>(LI) &&
+ Q.DL.getTypeSizeInBits(SrcTy) == DstTy->getPrimitiveSizeInBits()) {
if (Constant *RHSC = dyn_cast<Constant>(RHS)) {
// Transfer the cast to the constant.
if (Value *V = SimplifyICmpInst(Pred, SrcOp,
@@ -3024,7 +3020,7 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS,
}
Value *llvm::SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS,
- const DataLayout *DL,
+ const DataLayout &DL,
const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
Instruction *CxtI) {
@@ -3054,8 +3050,13 @@ static Value *SimplifyFCmpInst(unsigned Predicate, Value *LHS, Value *RHS,
if (Pred == FCmpInst::FCMP_TRUE)
return ConstantInt::get(GetCompareTy(LHS), 1);
- if (isa<UndefValue>(RHS)) // fcmp pred X, undef -> undef
- return UndefValue::get(GetCompareTy(LHS));
+ // fcmp pred x, undef and fcmp pred undef, x
+ // fold to true if unordered, false if ordered
+ if (isa<UndefValue>(LHS) || isa<UndefValue>(RHS)) {
+ // Choosing NaN for the undef will always make unordered comparison succeed
+ // and ordered comparison fail.
+ return ConstantInt::get(GetCompareTy(LHS), CmpInst::isUnordered(Pred));
+ }
// fcmp x,x -> true/false. Not all compares are foldable.
if (LHS == RHS) {
@@ -3135,7 +3136,7 @@ static Value *SimplifyFCmpInst(unsigned Predicate, Value *LHS, Value *RHS,
}
Value *llvm::SimplifyFCmpInst(unsigned Predicate, Value *LHS, Value *RHS,
- const DataLayout *DL,
+ const DataLayout &DL,
const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
@@ -3230,7 +3231,7 @@ static Value *SimplifySelectInst(Value *CondVal, Value *TrueVal,
}
Value *llvm::SimplifySelectInst(Value *Cond, Value *TrueVal, Value *FalseVal,
- const DataLayout *DL,
+ const DataLayout &DL,
const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
@@ -3264,10 +3265,10 @@ static Value *SimplifyGEPInst(ArrayRef<Value *> Ops, const Query &Q, unsigned) {
return Ops[0];
Type *Ty = PtrTy->getElementType();
- if (Q.DL && Ty->isSized()) {
+ if (Ty->isSized()) {
Value *P;
uint64_t C;
- uint64_t TyAllocSize = Q.DL->getTypeAllocSize(Ty);
+ uint64_t TyAllocSize = Q.DL.getTypeAllocSize(Ty);
// getelementptr P, N -> P if P points to a type of zero size.
if (TyAllocSize == 0)
return Ops[0];
@@ -3275,7 +3276,7 @@ static Value *SimplifyGEPInst(ArrayRef<Value *> Ops, const Query &Q, unsigned) {
// The following transforms are only safe if the ptrtoint cast
// doesn't truncate the pointers.
if (Ops[1]->getType()->getScalarSizeInBits() ==
- Q.DL->getPointerSizeInBits(AS)) {
+ Q.DL.getPointerSizeInBits(AS)) {
auto PtrToIntOrZero = [GEPTy](Value *P) -> Value * {
if (match(P, m_Zero()))
return Constant::getNullValue(GEPTy);
@@ -3320,7 +3321,7 @@ static Value *SimplifyGEPInst(ArrayRef<Value *> Ops, const Query &Q, unsigned) {
return ConstantExpr::getGetElementPtr(cast<Constant>(Ops[0]), Ops.slice(1));
}
-Value *llvm::SimplifyGEPInst(ArrayRef<Value *> Ops, const DataLayout *DL,
+Value *llvm::SimplifyGEPInst(ArrayRef<Value *> Ops, const DataLayout &DL,
const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
@@ -3357,7 +3358,7 @@ static Value *SimplifyInsertValueInst(Value *Agg, Value *Val,
}
Value *llvm::SimplifyInsertValueInst(
- Value *Agg, Value *Val, ArrayRef<unsigned> Idxs, const DataLayout *DL,
+ Value *Agg, Value *Val, ArrayRef<unsigned> Idxs, const DataLayout &DL,
const TargetLibraryInfo *TLI, const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
return ::SimplifyInsertValueInst(Agg, Val, Idxs, Query(DL, TLI, DT, AC, CxtI),
@@ -3405,7 +3406,7 @@ static Value *SimplifyTruncInst(Value *Op, Type *Ty, const Query &Q, unsigned) {
return nullptr;
}
-Value *llvm::SimplifyTruncInst(Value *Op, Type *Ty, const DataLayout *DL,
+Value *llvm::SimplifyTruncInst(Value *Op, Type *Ty, const DataLayout &DL,
const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
@@ -3502,7 +3503,7 @@ static Value *SimplifyFPBinOp(unsigned Opcode, Value *LHS, Value *RHS,
}
Value *llvm::SimplifyBinOp(unsigned Opcode, Value *LHS, Value *RHS,
- const DataLayout *DL, const TargetLibraryInfo *TLI,
+ const DataLayout &DL, const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
return ::SimplifyBinOp(Opcode, LHS, RHS, Query(DL, TLI, DT, AC, CxtI),
@@ -3510,7 +3511,7 @@ Value *llvm::SimplifyBinOp(unsigned Opcode, Value *LHS, Value *RHS,
}
Value *llvm::SimplifyFPBinOp(unsigned Opcode, Value *LHS, Value *RHS,
- const FastMathFlags &FMF, const DataLayout *DL,
+ const FastMathFlags &FMF, const DataLayout &DL,
const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
@@ -3528,7 +3529,7 @@ static Value *SimplifyCmpInst(unsigned Predicate, Value *LHS, Value *RHS,
}
Value *llvm::SimplifyCmpInst(unsigned Predicate, Value *LHS, Value *RHS,
- const DataLayout *DL, const TargetLibraryInfo *TLI,
+ const DataLayout &DL, const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
return ::SimplifyCmpInst(Predicate, LHS, RHS, Query(DL, TLI, DT, AC, CxtI),
@@ -3604,7 +3605,7 @@ static Value *SimplifyCall(Value *V, IterTy ArgBegin, IterTy ArgEnd,
}
Value *llvm::SimplifyCall(Value *V, User::op_iterator ArgBegin,
- User::op_iterator ArgEnd, const DataLayout *DL,
+ User::op_iterator ArgEnd, const DataLayout &DL,
const TargetLibraryInfo *TLI, const DominatorTree *DT,
AssumptionCache *AC, const Instruction *CxtI) {
return ::SimplifyCall(V, ArgBegin, ArgEnd, Query(DL, TLI, DT, AC, CxtI),
@@ -3612,7 +3613,7 @@ Value *llvm::SimplifyCall(Value *V, User::op_iterator ArgBegin,
}
Value *llvm::SimplifyCall(Value *V, ArrayRef<Value *> Args,
- const DataLayout *DL, const TargetLibraryInfo *TLI,
+ const DataLayout &DL, const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC,
const Instruction *CxtI) {
return ::SimplifyCall(V, Args.begin(), Args.end(),
@@ -3621,7 +3622,7 @@ Value *llvm::SimplifyCall(Value *V, ArrayRef<Value *> Args,
/// SimplifyInstruction - See if we can compute a simplified version of this
/// instruction. If not, this returns null.
-Value *llvm::SimplifyInstruction(Instruction *I, const DataLayout *DL,
+Value *llvm::SimplifyInstruction(Instruction *I, const DataLayout &DL,
const TargetLibraryInfo *TLI,
const DominatorTree *DT, AssumptionCache *AC) {
Value *Result;
@@ -3769,12 +3770,12 @@ Value *llvm::SimplifyInstruction(Instruction *I, const DataLayout *DL,
/// This routine returns 'true' only when *it* simplifies something. The passed
/// in simplified value does not count toward this.
static bool replaceAndRecursivelySimplifyImpl(Instruction *I, Value *SimpleV,
- const DataLayout *DL,
const TargetLibraryInfo *TLI,
const DominatorTree *DT,
AssumptionCache *AC) {
bool Simplified = false;
SmallSetVector<Instruction *, 8> Worklist;
+ const DataLayout &DL = I->getModule()->getDataLayout();
// If we have an explicit value to collapse to, do that round of the
// simplification loop by hand initially.
@@ -3822,19 +3823,18 @@ static bool replaceAndRecursivelySimplifyImpl(Instruction *I, Value *SimpleV,
return Simplified;
}
-bool llvm::recursivelySimplifyInstruction(Instruction *I, const DataLayout *DL,
+bool llvm::recursivelySimplifyInstruction(Instruction *I,
const TargetLibraryInfo *TLI,
const DominatorTree *DT,
AssumptionCache *AC) {
- return replaceAndRecursivelySimplifyImpl(I, nullptr, DL, TLI, DT, AC);
+ return replaceAndRecursivelySimplifyImpl(I, nullptr, TLI, DT, AC);
}
bool llvm::replaceAndRecursivelySimplify(Instruction *I, Value *SimpleV,
- const DataLayout *DL,
const TargetLibraryInfo *TLI,
const DominatorTree *DT,
AssumptionCache *AC) {
assert(I != SimpleV && "replaceAndRecursivelySimplify(X,X) is not valid!");
assert(SimpleV && "Must provide a simplified value.");
- return replaceAndRecursivelySimplifyImpl(I, SimpleV, DL, TLI, DT, AC);
+ return replaceAndRecursivelySimplifyImpl(I, SimpleV, TLI, DT, AC);
}