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Remove unnecessary dyn_cast and add a comment. Part of a WIP.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93026 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2010-01-08 21:37:11 +00:00
parent c8b3fce5c5
commit 4d1f58861d
1 changed files with 4 additions and 4 deletions
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8
lib/Transforms/InstCombine/InstCombineCalls.cpp
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@ -633,12 +633,12 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) {
break; break;
} }
case Intrinsic::objectsize: { case Intrinsic::objectsize: {
ConstantInt *Const = dyn_cast<ConstantInt>(II->getOperand(2)); ConstantInt *Const = cast<ConstantInt>(II->getOperand(2));
if (!Const) return 0;
const Type *Ty = CI.getType(); const Type *Ty = CI.getType();
// 0 is maximum number of bytes left, 1 is minimum number of bytes left.
// TODO: actually add these values, the current return values are "don't
// know".
if (Const->getZExtValue() == 0) if (Const->getZExtValue() == 0)
return ReplaceInstUsesWith(CI, Constant::getAllOnesValue(Ty)); return ReplaceInstUsesWith(CI, Constant::getAllOnesValue(Ty));
else else