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Clean up some uninitialized variables and missing return statements that

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GCC 4.0.0 compiler (sometimes incorrectly) warns about under release build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22249 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer
2005-06-18 17:37:34 +00:00
parent 8a207c16d2
commit 4b828e6384
4 changed files with 8 additions and 6 deletions
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6
lib/Transforms/Scalar/InstructionCombining.cpp
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@@ -757,7 +757,7 @@ Instruction *InstCombiner::visitSub(BinaryOperator &I) {
return BinaryOperator::createNot(Op1);
// C - ~X == X + (1+C)
Value *X;
Value *X = 0;
if (match(Op1, m_Not(m_Value(X))))
return BinaryOperator::createAdd(X,
ConstantExpr::getAdd(C, ConstantInt::get(I.getType(), 1)));
@@ -852,7 +852,7 @@ Instruction *InstCombiner::visitSub(BinaryOperator &I) {
ConstantExpr::getNeg(DivRHS));
// X - X*C --> X * (1-C)
ConstantInt *C2;
ConstantInt *C2 = 0;
if (dyn_castFoldableMul(Op1I, C2) == Op0) {
Constant *CP1 =
ConstantExpr::getSub(ConstantInt::get(I.getType(), 1), C2);
@@ -5129,7 +5129,7 @@ Instruction *InstCombiner::visitStoreInst(StoreInst &SI) {
Instruction *InstCombiner::visitBranchInst(BranchInst &BI) {
// Change br (not X), label True, label False to: br X, label False, True
Value *X;
Value *X = 0;
BasicBlock *TrueDest;
BasicBlock *FalseDest;
if (match(&BI, m_Br(m_Not(m_Value(X)), TrueDest, FalseDest)) &&