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- Eliminate the last traces of the 'analysis' namespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3550 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -15,8 +15,6 @@ class Type;
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class Value;
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class ConstantInt;
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namespace analysis {
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struct ExprType;
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// ClassifyExpression: Analyze an expression to determine the complexity of the
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@ -52,6 +50,4 @@ struct ExprType {
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const Type *getExprType(const Type *Default) const;
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};
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} // End namespace analysis
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#endif
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@ -10,11 +10,6 @@
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#include "llvm/Analysis/Expressions.h"
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#include "llvm/ConstantHandling.h"
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#include "llvm/Function.h"
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#include "llvm/BasicBlock.h"
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#include "llvm/Instruction.h"
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#include <iostream>
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using namespace analysis;
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ExprType::ExprType(Value *Val) {
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if (Val)
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@ -233,7 +228,7 @@ static inline ExprType negate(const ExprType &E, Value *V) {
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// Note that this analysis cannot get into infinite loops because it treats PHI
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// nodes as being an unknown linear expression.
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//
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ExprType analysis::ClassifyExpression(Value *Expr) {
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ExprType ClassifyExpression(Value *Expr) {
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assert(Expr != 0 && "Can't classify a null expression!");
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if (Expr->getType() == Type::FloatTy || Expr->getType() == Type::DoubleTy)
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return Expr; // FIXME: Can't handle FP expressions
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@ -25,9 +25,6 @@
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#include "llvm/Constants.h"
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#include "llvm/Assembly/Writer.h"
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using analysis::ExprType;
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static bool isLoopInvariant(const Value *V, const Loop *L) {
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if (isa<Constant>(V) || isa<Argument>(V) || isa<GlobalValue>(V))
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return true;
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@ -85,8 +82,8 @@ InductionVariable::InductionVariable(PHINode *P, LoopInfo *LoopInfo) {
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Value *V2 = Phi->getIncomingValue(1);
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if (L == 0) { // No loop information? Base everything on expression analysis
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ExprType E1 = analysis::ClassifyExpression(V1);
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ExprType E2 = analysis::ClassifyExpression(V2);
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ExprType E1 = ClassifyExpression(V1);
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ExprType E2 = ClassifyExpression(V2);
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if (E1.ExprTy > E2.ExprTy) // Make E1 be the simpler expression
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std::swap(E1, E2);
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@ -128,7 +125,7 @@ InductionVariable::InductionVariable(PHINode *P, LoopInfo *LoopInfo) {
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}
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if (Step == 0) { // Unrecognized step value...
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ExprType StepE = analysis::ClassifyExpression(V2);
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ExprType StepE = ClassifyExpression(V2);
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if (StepE.ExprTy != ExprType::Linear ||
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StepE.Var != Phi) return;
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@ -136,7 +133,7 @@ InductionVariable::InductionVariable(PHINode *P, LoopInfo *LoopInfo) {
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if (isa<PointerType>(ETy)) ETy = Type::ULongTy;
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Step = (Value*)(StepE.Offset ? StepE.Offset : ConstantInt::get(ETy, 0));
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} else { // We were able to get a step value, simplify with expr analysis
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ExprType StepE = analysis::ClassifyExpression(Step);
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ExprType StepE = ClassifyExpression(Step);
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if (StepE.ExprTy == ExprType::Linear && StepE.Offset == 0) {
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// No offset from variable? Grab the variable
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Step = StepE.Var;
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@ -15,7 +15,6 @@
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#include "Support/STLExtras.h"
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#include "Support/StatisticReporter.h"
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#include <algorithm>
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#include <iostream>
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using std::cerr;
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static bool OperandConvertableToType(User *U, Value *V, const Type *Ty,
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@ -44,7 +43,7 @@ static bool MallocConvertableToType(MallocInst *MI, const Type *Ty,
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if (!Ty->isSized()) return false; // Can only alloc something with a size
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// Analyze the number of bytes allocated...
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analysis::ExprType Expr = analysis::ClassifyExpression(MI->getArraySize());
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ExprType Expr = ClassifyExpression(MI->getArraySize());
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// Get information about the base datatype being allocated, before & after
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int ReqTypeSize = TD.getTypeSize(Ty);
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@ -79,7 +78,7 @@ static Instruction *ConvertMallocToType(MallocInst *MI, const Type *Ty,
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BasicBlock::iterator It = BB->end();
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// Analyze the number of bytes allocated...
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analysis::ExprType Expr = analysis::ClassifyExpression(MI->getArraySize());
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ExprType Expr = ClassifyExpression(MI->getArraySize());
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const PointerType *AllocTy = cast<PointerType>(Ty);
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const Type *ElType = AllocTy->getElementType();
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@ -94,7 +94,7 @@ const Type *ConvertableToGEP(const Type *Ty, Value *OffsetVal,
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// See if the cast is of an integer expression that is either a constant,
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// or a value scaled by some amount with a possible offset.
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//
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analysis::ExprType Expr = analysis::ClassifyExpression(OffsetVal);
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ExprType Expr = ClassifyExpression(OffsetVal);
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// Get the offset and scale values if they exists...
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// A scale of zero with Expr.Var != 0 means a scale of 1.
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@ -71,20 +71,20 @@ namespace {
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OS << *I;
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if ((*I)->getType() == Type::VoidTy) continue;
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analysis::ExprType R = analysis::ClassifyExpression(*I);
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ExprType R = ClassifyExpression(*I);
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if (R.Var == *I) continue; // Doesn't tell us anything
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OS << "\t\tExpr =";
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switch (R.ExprTy) {
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case analysis::ExprType::ScaledLinear:
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case ExprType::ScaledLinear:
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WriteAsOperand(OS << "(", (Value*)R.Scale) << " ) *";
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// fall through
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case analysis::ExprType::Linear:
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case ExprType::Linear:
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WriteAsOperand(OS << "(", R.Var) << " )";
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if (R.Offset == 0) break;
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else OS << " +";
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// fall through
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case analysis::ExprType::Constant:
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case ExprType::Constant:
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if (R.Offset) WriteAsOperand(OS, (Value*)R.Offset);
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else OS << " 0";
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break;
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@ -71,20 +71,20 @@ namespace {
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OS << *I;
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if ((*I)->getType() == Type::VoidTy) continue;
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analysis::ExprType R = analysis::ClassifyExpression(*I);
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ExprType R = ClassifyExpression(*I);
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if (R.Var == *I) continue; // Doesn't tell us anything
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OS << "\t\tExpr =";
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switch (R.ExprTy) {
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case analysis::ExprType::ScaledLinear:
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case ExprType::ScaledLinear:
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WriteAsOperand(OS << "(", (Value*)R.Scale) << " ) *";
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// fall through
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case analysis::ExprType::Linear:
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case ExprType::Linear:
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WriteAsOperand(OS << "(", R.Var) << " )";
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if (R.Offset == 0) break;
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else OS << " +";
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// fall through
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case analysis::ExprType::Constant:
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case ExprType::Constant:
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if (R.Offset) WriteAsOperand(OS, (Value*)R.Offset);
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else OS << " 0";
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break;
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