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eliminate gotos

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21780 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-05-08 19:48:43 +00:00
parent 1f243e9f43
commit 989f6229bc
1 changed files with 4 additions and 3 deletions
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7
lib/Transforms/Scalar/Reassociate.cpp
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@ -365,7 +365,6 @@ void Reassociate::OptimizeExpression(unsigned Opcode,
std::vector<ValueEntry> &Ops) { std::vector<ValueEntry> &Ops) {
// Now that we have the linearized expression tree, try to optimize it. // Now that we have the linearized expression tree, try to optimize it.
// Start by folding any constants that we found. // Start by folding any constants that we found.
Iterate:
bool IterateOptimization = false; bool IterateOptimization = false;
if (Ops.size() == 1) return; if (Ops.size() == 1) return;
@ -373,7 +372,8 @@ Iterate:
if (Constant *V2 = dyn_cast<Constant>(Ops.back().Op)) { if (Constant *V2 = dyn_cast<Constant>(Ops.back().Op)) {
Ops.pop_back(); Ops.pop_back();
Ops.back().Op = ConstantExpr::get(Opcode, V1, V2); Ops.back().Op = ConstantExpr::get(Opcode, V1, V2);
goto Iterate; OptimizeExpression(Opcode, Ops);
return;
} }
// Check for destructive annihilation due to a constant being used. // Check for destructive annihilation due to a constant being used.
@ -494,7 +494,8 @@ Iterate:
//case Instruction::Mul: //case Instruction::Mul:
} }
if (IterateOptimization) goto Iterate; if (IterateOptimization)
OptimizeExpression(Opcode, Ops);
} }