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| author | Dan Gohman <gohman@apple.com> | 2009-06-30 20:13:32 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-06-30 20:13:32 +0000 |
| commit | c39f44b521eaa05804f55d1f4b8c2a178953f3c6 (patch) | |
| tree | f5bfab04dabc3118c94a567c695d30e05547c8f8 /lib/Analysis/ScalarEvolution.cpp | |
| parent | 38a253ddf786b83dba14d980d269f7bb5c2252ea (diff) | |
Minor code cleanups.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74551 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/ScalarEvolution.cpp')
| -rw-r--r-- | lib/Analysis/ScalarEvolution.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp index 2b8277864e..408156265d 100644 --- a/lib/Analysis/ScalarEvolution.cpp +++ b/lib/Analysis/ScalarEvolution.cpp @@ -110,7 +110,9 @@ char ScalarEvolution::ID = 0; //===----------------------------------------------------------------------===// // Implementation of the SCEV class. // + SCEV::~SCEV() {} + void SCEV::dump() const { print(errs()); errs() << '\n'; @@ -387,7 +389,6 @@ bool SCEVAddRecExpr::isLoopInvariant(const Loop *QueryLoop) const { return true; } - void SCEVAddRecExpr::print(raw_ostream &OS) const { OS << "{" << *Operands[0]; for (unsigned i = 1, e = Operands.size(); i != e; ++i) @@ -743,6 +744,7 @@ const SCEV* ScalarEvolution::getTruncateExpr(const SCEV* Op, "This is not a conversion to a SCEVable type!"); Ty = getEffectiveSCEVType(Ty); + // Fold if the operand is constant. if (const SCEVConstant *SC = dyn_cast<SCEVConstant>(Op)) return getConstant( cast<ConstantInt>(ConstantExpr::getTrunc(SC->getValue(), Ty))); @@ -787,6 +789,7 @@ const SCEV* ScalarEvolution::getZeroExtendExpr(const SCEV* Op, "This is not a conversion to a SCEVable type!"); Ty = getEffectiveSCEVType(Ty); + // Fold if the operand is constant. if (const SCEVConstant *SC = dyn_cast<SCEVConstant>(Op)) { const Type *IntTy = getEffectiveSCEVType(Ty); Constant *C = ConstantExpr::getZExt(SC->getValue(), IntTy); @@ -882,6 +885,7 @@ const SCEV* ScalarEvolution::getSignExtendExpr(const SCEV* Op, "This is not a conversion to a SCEVable type!"); Ty = getEffectiveSCEVType(Ty); + // Fold if the operand is constant. if (const SCEVConstant *SC = dyn_cast<SCEVConstant>(Op)) { const Type *IntTy = getEffectiveSCEVType(Ty); Constant *C = ConstantExpr::getSExt(SC->getValue(), IntTy); @@ -4241,7 +4245,7 @@ ScalarEvolution::HowManyLessThans(const SCEV *LHS, const SCEV *RHS, // The maximum backedge count is similar, except using the minimum start // value and the maximum end value. - const SCEV* MaxBECount = getBECount(MinStart, MaxEnd, Step);; + const SCEV* MaxBECount = getBECount(MinStart, MaxEnd, Step); return BackedgeTakenInfo(BECount, MaxBECount); } |