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author | David Blaikie <dblaikie@gmail.com> | 2012-01-20 21:51:11 +0000 |
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committer | David Blaikie <dblaikie@gmail.com> | 2012-01-20 21:51:11 +0000 |
commit | 4d6ccb5f68cd7c6418a209f1fa4dbade569e4493 (patch) | |
tree | 9a48fa9f7f51fd635f6807ed7444fcdcad0e9bda /lib/Transforms | |
parent | 0041d4d447c26825e566ba38a4fe301471fda1eb (diff) | |
download | external_llvm-4d6ccb5f68cd7c6418a209f1fa4dbade569e4493.zip external_llvm-4d6ccb5f68cd7c6418a209f1fa4dbade569e4493.tar.gz external_llvm-4d6ccb5f68cd7c6418a209f1fa4dbade569e4493.tar.bz2 |
More dead code removal (using -Wunreachable-code)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148578 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms')
-rw-r--r-- | lib/Transforms/IPO/GlobalOpt.cpp | 1 | ||||
-rw-r--r-- | lib/Transforms/InstCombine/InstCombineAndOrXor.cpp | 2 | ||||
-rw-r--r-- | lib/Transforms/InstCombine/InstCombineCasts.cpp | 1 | ||||
-rw-r--r-- | lib/Transforms/InstCombine/InstCombineSelect.cpp | 1 | ||||
-rw-r--r-- | lib/Transforms/Scalar/LoopStrengthReduce.cpp | 2 | ||||
-rw-r--r-- | lib/Transforms/Scalar/ObjCARC.cpp | 2 |
6 files changed, 1 insertions, 8 deletions
diff --git a/lib/Transforms/IPO/GlobalOpt.cpp b/lib/Transforms/IPO/GlobalOpt.cpp index 1709ee6..2926508 100644 --- a/lib/Transforms/IPO/GlobalOpt.cpp +++ b/lib/Transforms/IPO/GlobalOpt.cpp @@ -1210,7 +1210,6 @@ static Value *GetHeapSROAValue(Value *V, unsigned FieldNo, PHIsToRewrite.push_back(std::make_pair(PN, FieldNo)); } else { llvm_unreachable("Unknown usable value"); - Result = 0; } return FieldVals[FieldNo] = Result; diff --git a/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp b/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp index 5f3b261..9a52be1 100644 --- a/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp +++ b/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp @@ -87,7 +87,6 @@ static unsigned getFCmpCode(FCmpInst::Predicate CC, bool &isOrdered) { default: // Not expecting FCMP_FALSE and FCMP_TRUE; llvm_unreachable("Unexpected FCmp predicate!"); - return 0; } } @@ -1555,7 +1554,6 @@ Value *InstCombiner::FoldOrOfICmps(ICmpInst *LHS, ICmpInst *RHS) { case ICmpInst::ICMP_SLT: // (X != 13 | X s< 15) -> true return ConstantInt::getTrue(LHS->getContext()); } - break; case ICmpInst::ICMP_ULT: switch (RHSCC) { default: llvm_unreachable("Unknown integer condition code!"); diff --git a/lib/Transforms/InstCombine/InstCombineCasts.cpp b/lib/Transforms/InstCombine/InstCombineCasts.cpp index 49a498f..f5a7629 100644 --- a/lib/Transforms/InstCombine/InstCombineCasts.cpp +++ b/lib/Transforms/InstCombine/InstCombineCasts.cpp @@ -215,7 +215,6 @@ Value *InstCombiner::EvaluateInDifferentType(Value *V, Type *Ty, default: // TODO: Can handle more cases here. llvm_unreachable("Unreachable!"); - break; } Res->takeName(I); diff --git a/lib/Transforms/InstCombine/InstCombineSelect.cpp b/lib/Transforms/InstCombine/InstCombineSelect.cpp index f1ea8ea..e727b2c 100644 --- a/lib/Transforms/InstCombine/InstCombineSelect.cpp +++ b/lib/Transforms/InstCombine/InstCombineSelect.cpp @@ -184,7 +184,6 @@ Instruction *InstCombiner::FoldSelectOpOp(SelectInst &SI, Instruction *TI, return BinaryOperator::Create(BO->getOpcode(), NewSI, MatchOp); } llvm_unreachable("Shouldn't get here"); - return 0; } static bool isSelect01(Constant *C1, Constant *C2) { diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp index 5aee483..6768860 100644 --- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp +++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp @@ -1318,7 +1318,7 @@ static bool isLegalUse(const TargetLowering::AddrMode &AM, return AM.Scale == 0 || AM.Scale == -1; } - return false; + llvm_unreachable("Invalid LSRUse Kind!"); } static bool isLegalUse(TargetLowering::AddrMode AM, diff --git a/lib/Transforms/Scalar/ObjCARC.cpp b/lib/Transforms/Scalar/ObjCARC.cpp index 08bb67e..9284401 100644 --- a/lib/Transforms/Scalar/ObjCARC.cpp +++ b/lib/Transforms/Scalar/ObjCARC.cpp @@ -1997,7 +1997,6 @@ Depends(DependenceKind Flavor, Instruction *Inst, const Value *Arg, // Nothing else matters for objc_retainAutorelease formation. return false; } - break; case RetainAutoreleaseRVDep: { InstructionClass Class = GetBasicInstructionClass(Inst); @@ -2011,7 +2010,6 @@ Depends(DependenceKind Flavor, Instruction *Inst, const Value *Arg, // retainAutoreleaseReturnValue formation. return CanInterruptRV(Class); } - break; } case RetainRVDep: |