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author | Chris Lattner <sabre@nondot.org> | 2011-07-18 04:54:35 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2011-07-18 04:54:35 +0000 |
commit | db125cfaf57cc83e7dd7453de2d509bc8efd0e5e (patch) | |
tree | a163ac0f83da7be3f9675a122a6144b12418be09 /lib/Transforms/Scalar/IndVarSimplify.cpp | |
parent | 4b3d5469fb7c25504fa20dc65640f02d79675d48 (diff) | |
download | llvm-db125cfaf57cc83e7dd7453de2d509bc8efd0e5e.tar.gz llvm-db125cfaf57cc83e7dd7453de2d509bc8efd0e5e.tar.bz2 llvm-db125cfaf57cc83e7dd7453de2d509bc8efd0e5e.tar.xz |
land David Blaikie's patch to de-constify Type, with a few tweaks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135375 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Scalar/IndVarSimplify.cpp')
-rw-r--r-- | lib/Transforms/Scalar/IndVarSimplify.cpp | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/lib/Transforms/Scalar/IndVarSimplify.cpp b/lib/Transforms/Scalar/IndVarSimplify.cpp index dee3d38d72..cf75448aa2 100644 --- a/lib/Transforms/Scalar/IndVarSimplify.cpp +++ b/lib/Transforms/Scalar/IndVarSimplify.cpp @@ -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) > |