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Move TargetData to DataLayout.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165402 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Micah Villmow
2012-10-08 16:38:25 +00:00
parent 2b4b44e0d2
commit 3574eca1b0
229 changed files with 947 additions and 1000 deletions
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lib/Analysis/ValueTracking.cpp
+15 -15
View File
@@ -22,7 +22,7 @@
#include "llvm/LLVMContext.h"
#include "llvm/Metadata.h"
#include "llvm/Operator.h"
#include "llvm/Target/TargetData.h"
#include "llvm/DataLayout.h"
#include "llvm/Support/ConstantRange.h"
#include "llvm/Support/GetElementPtrTypeIterator.h"
#include "llvm/Support/MathExtras.h"
@@ -36,7 +36,7 @@ const unsigned MaxDepth = 6;
/// getBitWidth - Returns the bitwidth of the given scalar or pointer type (if
/// unknown returns 0). For vector types, returns the element type's bitwidth.
static unsigned getBitWidth(Type *Ty, const TargetData *TD) {
static unsigned getBitWidth(Type *Ty, const DataLayout *TD) {
if (unsigned BitWidth = Ty->getScalarSizeInBits())
return BitWidth;
assert(isa<PointerType>(Ty) && "Expected a pointer type!");
@@ -46,7 +46,7 @@ static unsigned getBitWidth(Type *Ty, const TargetData *TD) {
static void ComputeMaskedBitsAddSub(bool Add, Value *Op0, Value *Op1, bool NSW,
APInt &KnownZero, APInt &KnownOne,
APInt &KnownZero2, APInt &KnownOne2,
const TargetData *TD, unsigned Depth) {
const DataLayout *TD, unsigned Depth) {
if (!Add) {
if (ConstantInt *CLHS = dyn_cast<ConstantInt>(Op0)) {
// We know that the top bits of C-X are clear if X contains less bits
@@ -132,7 +132,7 @@ static void ComputeMaskedBitsAddSub(bool Add, Value *Op0, Value *Op1, bool NSW,
static void ComputeMaskedBitsMul(Value *Op0, Value *Op1, bool NSW,
APInt &KnownZero, APInt &KnownOne,
APInt &KnownZero2, APInt &KnownOne2,
const TargetData *TD, unsigned Depth) {
const DataLayout *TD, unsigned Depth) {
unsigned BitWidth = KnownZero.getBitWidth();
ComputeMaskedBits(Op1, KnownZero, KnownOne, TD, Depth+1);
ComputeMaskedBits(Op0, KnownZero2, KnownOne2, TD, Depth+1);
@@ -226,7 +226,7 @@ void llvm::computeMaskedBitsLoad(const MDNode &Ranges, APInt &KnownZero) {
/// same width as the vector element, and the bit is set only if it is true
/// for all of the elements in the vector.
void llvm::ComputeMaskedBits(Value *V, APInt &KnownZero, APInt &KnownOne,
const TargetData *TD, unsigned Depth) {
const DataLayout *TD, unsigned Depth) {
assert(V && "No Value?");
assert(Depth <= MaxDepth && "Limit Search Depth");
unsigned BitWidth = KnownZero.getBitWidth();
@@ -787,7 +787,7 @@ void llvm::ComputeMaskedBits(Value *V, APInt &KnownZero, APInt &KnownOne,
/// ComputeSignBit - Determine whether the sign bit is known to be zero or
/// one. Convenience wrapper around ComputeMaskedBits.
void llvm::ComputeSignBit(Value *V, bool &KnownZero, bool &KnownOne,
const TargetData *TD, unsigned Depth) {
const DataLayout *TD, unsigned Depth) {
unsigned BitWidth = getBitWidth(V->getType(), TD);
if (!BitWidth) {
KnownZero = false;
@@ -805,7 +805,7 @@ void llvm::ComputeSignBit(Value *V, bool &KnownZero, bool &KnownOne,
/// bit set when defined. For vectors return true if every element is known to
/// be a power of two when defined. Supports values with integer or pointer
/// types and vectors of integers.
bool llvm::isPowerOfTwo(Value *V, const TargetData *TD, bool OrZero,
bool llvm::isPowerOfTwo(Value *V, const DataLayout *TD, bool OrZero,
unsigned Depth) {
if (Constant *C = dyn_cast<Constant>(V)) {
if (C->isNullValue())
@@ -868,7 +868,7 @@ bool llvm::isPowerOfTwo(Value *V, const TargetData *TD, bool OrZero,
/// when defined. For vectors return true if every element is known to be
/// non-zero when defined. Supports values with integer or pointer type and
/// vectors of integers.
bool llvm::isKnownNonZero(Value *V, const TargetData *TD, unsigned Depth) {
bool llvm::isKnownNonZero(Value *V, const DataLayout *TD, unsigned Depth) {
if (Constant *C = dyn_cast<Constant>(V)) {
if (C->isNullValue())
return false;
@@ -995,7 +995,7 @@ bool llvm::isKnownNonZero(Value *V, const TargetData *TD, unsigned Depth) {
/// same width as the vector element, and the bit is set only if it is true
/// for all of the elements in the vector.
bool llvm::MaskedValueIsZero(Value *V, const APInt &Mask,
const TargetData *TD, unsigned Depth) {
const DataLayout *TD, unsigned Depth) {
APInt KnownZero(Mask.getBitWidth(), 0), KnownOne(Mask.getBitWidth(), 0);
ComputeMaskedBits(V, KnownZero, KnownOne, TD, Depth);
assert((KnownZero & KnownOne) == 0 && "Bits known to be one AND zero?");
@@ -1012,10 +1012,10 @@ bool llvm::MaskedValueIsZero(Value *V, const APInt &Mask,
///
/// 'Op' must have a scalar integer type.
///
unsigned llvm::ComputeNumSignBits(Value *V, const TargetData *TD,
unsigned llvm::ComputeNumSignBits(Value *V, const DataLayout *TD,
unsigned Depth) {
assert((TD || V->getType()->isIntOrIntVectorTy()) &&
"ComputeNumSignBits requires a TargetData object to operate "
"ComputeNumSignBits requires a DataLayout object to operate "
"on non-integer values!");
Type *Ty = V->getType();
unsigned TyBits = TD ? TD->getTypeSizeInBits(V->getType()->getScalarType()) :
@@ -1591,7 +1591,7 @@ Value *llvm::FindInsertedValue(Value *V, ArrayRef<unsigned> idx_range,
/// it can be expressed as a base pointer plus a constant offset. Return the
/// base and offset to the caller.
Value *llvm::GetPointerBaseWithConstantOffset(Value *Ptr, int64_t &Offset,
const TargetData &TD) {
const DataLayout &TD) {
Operator *PtrOp = dyn_cast<Operator>(Ptr);
if (PtrOp == 0 || Ptr->getType()->isVectorTy())
return Ptr;
@@ -1777,7 +1777,7 @@ uint64_t llvm::GetStringLength(Value *V) {
}
Value *
llvm::GetUnderlyingObject(Value *V, const TargetData *TD, unsigned MaxLookup) {
llvm::GetUnderlyingObject(Value *V, const DataLayout *TD, unsigned MaxLookup) {
if (!V->getType()->isPointerTy())
return V;
for (unsigned Count = 0; MaxLookup == 0 || Count < MaxLookup; ++Count) {
@@ -1808,7 +1808,7 @@ llvm::GetUnderlyingObject(Value *V, const TargetData *TD, unsigned MaxLookup) {
void
llvm::GetUnderlyingObjects(Value *V,
SmallVectorImpl<Value *> &Objects,
const TargetData *TD,
const DataLayout *TD,
unsigned MaxLookup) {
SmallPtrSet<Value *, 4> Visited;
SmallVector<Value *, 4> Worklist;
@@ -1853,7 +1853,7 @@ bool llvm::onlyUsedByLifetimeMarkers(const Value *V) {
}
bool llvm::isSafeToSpeculativelyExecute(const Value *V,
const TargetData *TD) {
const DataLayout *TD) {
const Operator *Inst = dyn_cast<Operator>(V);
if (!Inst)
return false;