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land David Blaikie's patch to de-constify Type, with a few tweaks.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135375 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2011-07-18 04:54:35 +00:00
parent 4b3d5469fb
commit db125cfaf5
206 changed files with 2029 additions and 2030 deletions
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lib/Transforms/Scalar/IndVarSimplify.cpp
+11 -11
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@@ -390,7 +390,7 @@ void IndVarSimplify::HandleFloatingPointIV(Loop *L, PHINode *PN) {
return;
}
const IntegerType *Int32Ty = Type::getInt32Ty(PN->getContext());
IntegerType *Int32Ty = Type::getInt32Ty(PN->getContext());
// Insert new integer induction variable.
PHINode *NewPHI = PHINode::Create(Int32Ty, 2, PN->getName()+".int", PN);
@@ -665,7 +665,7 @@ void IndVarSimplify::RewriteIVExpressions(Loop *L, SCEVExpander &Rewriter) {
// of different sizes.
for (IVUsers::iterator UI = IU->begin(), E = IU->end(); UI != E; ++UI) {
Value *Op = UI->getOperandValToReplace();
const Type *UseTy = Op->getType();
Type *UseTy = Op->getType();
Instruction *User = UI->getUser();
// Compute the final addrec to expand into code.
@@ -747,7 +747,7 @@ namespace {
// extend operations. This information is recorded by CollectExtend and
// provides the input to WidenIV.
struct WideIVInfo {
const Type *WidestNativeType; // Widest integer type created [sz]ext
Type *WidestNativeType; // Widest integer type created [sz]ext
bool IsSigned; // Was an sext user seen before a zext?
WideIVInfo() : WidestNativeType(0), IsSigned(false) {}
@@ -759,7 +759,7 @@ namespace {
/// the final width of the IV before actually widening it.
static void CollectExtend(CastInst *Cast, bool IsSigned, WideIVInfo &WI,
ScalarEvolution *SE, const TargetData *TD) {
const Type *Ty = Cast->getType();
Type *Ty = Cast->getType();
uint64_t Width = SE->getTypeSizeInBits(Ty);
if (TD && !TD->isLegalInteger(Width))
return;
@@ -787,7 +787,7 @@ namespace {
class WidenIV {
// Parameters
PHINode *OrigPhi;
const Type *WideType;
Type *WideType;
bool IsSigned;
// Context
@@ -839,7 +839,7 @@ protected:
};
} // anonymous namespace
static Value *getExtend( Value *NarrowOper, const Type *WideType,
static Value *getExtend( Value *NarrowOper, Type *WideType,
bool IsSigned, IRBuilder<> &Builder) {
return IsSigned ? Builder.CreateSExt(NarrowOper, WideType) :
Builder.CreateZExt(NarrowOper, WideType);
@@ -1489,7 +1489,7 @@ static bool canExpandBackedgeTakenCount(Loop *L, ScalarEvolution *SE) {
/// through Truncs.
///
/// TODO: Unnecessary if LFTR does not force a canonical IV.
static const Type *getBackedgeIVType(Loop *L) {
static Type *getBackedgeIVType(Loop *L) {
if (!L->getExitingBlock())
return 0;
@@ -1502,7 +1502,7 @@ static const Type *getBackedgeIVType(Loop *L) {
if (!Cond)
return 0;
const Type *Ty = 0;
Type *Ty = 0;
for(User::op_iterator OI = Cond->op_begin(), OE = Cond->op_end();
OI != OE; ++OI) {
assert((!Ty || Ty == (*OI)->getType()) && "bad icmp operand types");
@@ -1748,7 +1748,7 @@ bool IndVarSimplify::runOnLoop(Loop *L, LPPassManager &LPM) {
// Compute the type of the largest recurrence expression, and decide whether
// a canonical induction variable should be inserted.
const Type *LargestType = 0;
Type *LargestType = 0;
bool NeedCannIV = false;
bool ExpandBECount = canExpandBackedgeTakenCount(L, SE);
if (ExpandBECount) {
@@ -1756,7 +1756,7 @@ bool IndVarSimplify::runOnLoop(Loop *L, LPPassManager &LPM) {
// rewriting the loop exit test condition below, which requires a
// canonical induction variable.
NeedCannIV = true;
const Type *Ty = BackedgeTakenCount->getType();
Type *Ty = BackedgeTakenCount->getType();
if (DisableIVRewrite) {
// In this mode, SimplifyIVUsers may have already widened the IV used by
// the backedge test and inserted a Trunc on the compare's operand. Get
@@ -1772,7 +1772,7 @@ bool IndVarSimplify::runOnLoop(Loop *L, LPPassManager &LPM) {
if (!DisableIVRewrite) {
for (IVUsers::const_iterator I = IU->begin(), E = IU->end(); I != E; ++I) {
NeedCannIV = true;
const Type *Ty =
Type *Ty =
SE->getEffectiveSCEVType(I->getOperandValToReplace()->getType());
if (!LargestType ||
SE->getTypeSizeInBits(Ty) >