diff options
Diffstat (limited to 'lib')
106 files changed, 177 insertions, 435 deletions
diff --git a/lib/Analysis/ConstantFolding.cpp b/lib/Analysis/ConstantFolding.cpp index 8e2f263cd4..dba6de35df 100644 --- a/lib/Analysis/ConstantFolding.cpp +++ b/lib/Analysis/ConstantFolding.cpp @@ -1125,7 +1125,6 @@ static Constant *ConstantFoldFP(double (*NativeFP)(double), double V, if (Ty->isDoubleTy()) return ConstantFP::get(Ty->getContext(), APFloat(V)); llvm_unreachable("Can only constant fold float/double"); - return 0; // dummy return to suppress warning } static Constant *ConstantFoldBinaryFP(double (*NativeFP)(double, double), @@ -1142,7 +1141,6 @@ static Constant *ConstantFoldBinaryFP(double (*NativeFP)(double, double), if (Ty->isDoubleTy()) return ConstantFP::get(Ty->getContext(), APFloat(V)); llvm_unreachable("Can only constant fold float/double"); - return 0; // dummy return to suppress warning } /// ConstantFoldConvertToInt - Attempt to an SSE floating point to integer diff --git a/lib/Analysis/LoopDependenceAnalysis.cpp b/lib/Analysis/LoopDependenceAnalysis.cpp index 3997ac478b..463269d9d9 100644 --- a/lib/Analysis/LoopDependenceAnalysis.cpp +++ b/lib/Analysis/LoopDependenceAnalysis.cpp @@ -91,8 +91,6 @@ static Value *GetPointerOperand(Value *I) { if (StoreInst *i = dyn_cast<StoreInst>(I)) return i->getPointerOperand(); llvm_unreachable("Value is no load or store instruction!"); - // Never reached. - return 0; } static AliasAnalysis::AliasResult UnderlyingObjectsAlias(AliasAnalysis *AA, diff --git a/lib/Analysis/MemoryDependenceAnalysis.cpp b/lib/Analysis/MemoryDependenceAnalysis.cpp index 53d666078e..30f8d94698 100644 --- a/lib/Analysis/MemoryDependenceAnalysis.cpp +++ b/lib/Analysis/MemoryDependenceAnalysis.cpp @@ -329,8 +329,6 @@ getLoadLoadClobberFullWidthSize(const Value *MemLocBase, int64_t MemLocOffs, NewLoadByteSize <<= 1; } - - return 0; } namespace { diff --git a/lib/Analysis/PHITransAddr.cpp b/lib/Analysis/PHITransAddr.cpp index 80ea219cd8..ca06300363 100644 --- a/lib/Analysis/PHITransAddr.cpp +++ b/lib/Analysis/PHITransAddr.cpp @@ -74,7 +74,6 @@ static bool VerifySubExpr(Value *Expr, errs() << *I << '\n'; llvm_unreachable("Either something is missing from InstInputs or " "CanPHITrans is wrong."); - return false; } // Validate the operands of the instruction. @@ -101,7 +100,6 @@ bool PHITransAddr::Verify() const { for (unsigned i = 0, e = InstInputs.size(); i != e; ++i) errs() << " InstInput #" << i << " is " << *InstInputs[i] << "\n"; llvm_unreachable("This is unexpected."); - return false; } // a-ok. diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp index e4af225807..caf360650d 100644 --- a/lib/Analysis/ScalarEvolution.cpp +++ b/lib/Analysis/ScalarEvolution.cpp @@ -259,11 +259,9 @@ Type *SCEV::getType() const { return cast<SCEVUnknown>(this)->getType(); case scCouldNotCompute: llvm_unreachable("Attempt to use a SCEVCouldNotCompute object!"); - return 0; - default: break; + default: + llvm_unreachable("Unknown SCEV kind!"); } - llvm_unreachable("Unknown SCEV kind!"); - return 0; } bool SCEV::isZero() const { @@ -611,11 +609,8 @@ namespace { } default: - break; + llvm_unreachable("Unknown SCEV kind!"); } - - llvm_unreachable("Unknown SCEV kind!"); - return 0; } }; } @@ -5319,7 +5314,6 @@ const SCEV *ScalarEvolution::computeSCEVAtScope(const SCEV *V, const Loop *L) { } llvm_unreachable("Unknown SCEV type!"); - return 0; } /// getSCEVAtScope - This is a convenience function which does @@ -5950,7 +5944,6 @@ ScalarEvolution::isKnownPredicateWithRanges(ICmpInst::Predicate Pred, switch (Pred) { default: llvm_unreachable("Unexpected ICmpInst::Predicate value!"); - break; case ICmpInst::ICMP_SGT: Pred = ICmpInst::ICMP_SLT; std::swap(LHS, RHS); @@ -6801,11 +6794,8 @@ ScalarEvolution::computeLoopDisposition(const SCEV *S, const Loop *L) { return LoopInvariant; case scCouldNotCompute: llvm_unreachable("Attempt to use a SCEVCouldNotCompute object!"); - return LoopVariant; - default: break; + default: llvm_unreachable("Unknown SCEV kind!"); } - llvm_unreachable("Unknown SCEV kind!"); - return LoopVariant; } bool ScalarEvolution::isLoopInvariant(const SCEV *S, const Loop *L) { @@ -6887,11 +6877,9 @@ ScalarEvolution::computeBlockDisposition(const SCEV *S, const BasicBlock *BB) { return ProperlyDominatesBlock; case scCouldNotCompute: llvm_unreachable("Attempt to use a SCEVCouldNotCompute object!"); - return DoesNotDominateBlock; - default: break; + default: + llvm_unreachable("Unknown SCEV kind!"); } - llvm_unreachable("Unknown SCEV kind!"); - return DoesNotDominateBlock; } bool ScalarEvolution::dominates(const SCEV *S, const BasicBlock *BB) { @@ -6937,11 +6925,9 @@ bool ScalarEvolution::hasOperand(const SCEV *S, const SCEV *Op) const { return false; case scCouldNotCompute: llvm_unreachable("Attempt to use a SCEVCouldNotCompute object!"); - return false; - default: break; + default: + llvm_unreachable("Unknown SCEV kind!"); } - llvm_unreachable("Unknown SCEV kind!"); - return false; } void ScalarEvolution::forgetMemoizedResults(const SCEV *S) { diff --git a/lib/Analysis/ScalarEvolutionExpander.cpp b/lib/Analysis/ScalarEvolutionExpander.cpp index 0f7475673a..f559889799 100644 --- a/lib/Analysis/ScalarEvolutionExpander.cpp +++ b/lib/Analysis/ScalarEvolutionExpander.cpp @@ -650,7 +650,6 @@ const Loop *SCEVExpander::getRelevantLoop(const SCEV *S) { return RelevantLoops[D] = Result; } llvm_unreachable("Unexpected SCEV type!"); - return 0; } namespace { diff --git a/lib/Analysis/ScalarEvolutionNormalization.cpp b/lib/Analysis/ScalarEvolutionNormalization.cpp index 2565ae753e..dd2ed4ff83 100644 --- a/lib/Analysis/ScalarEvolutionNormalization.cpp +++ b/lib/Analysis/ScalarEvolutionNormalization.cpp @@ -190,7 +190,6 @@ TransformImpl(const SCEV *S, Instruction *User, Value *OperandValToReplace) { } llvm_unreachable("Unexpected SCEV kind!"); - return 0; } /// Manage recursive transformation across an expression DAG. Revisiting diff --git a/lib/AsmParser/LLParser.cpp b/lib/AsmParser/LLParser.cpp index e056f69cd7..efd48e1c14 100644 --- a/lib/AsmParser/LLParser.cpp +++ b/lib/AsmParser/LLParser.cpp @@ -1043,13 +1043,11 @@ bool LLParser::ParseOptionalCallingConv(CallingConv::ID &CC) { case lltok::kw_cc: { unsigned ArbitraryCC; Lex.Lex(); - if (ParseUInt32(ArbitraryCC)) { + if (ParseUInt32(Ar |