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Remove unneeded code I added.

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llvm-svn: 51878
This commit is contained in:
Chris Lattner 2008-06-02 18:39:07 +00:00
parent 385b7d76ed
commit 3e1cd5c9bf
1 changed files with 3 additions and 6 deletions
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7
lib/Analysis/ValueTracking.cpp
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@ -565,11 +565,8 @@ unsigned llvm::ComputeNumSignBits(Value *V, TargetData *TD, unsigned Depth) {
unsigned Tmp, Tmp2;
unsigned FirstAnswer = 1;
if (ConstantInt *CI = dyn_cast<ConstantInt>(V)) {
if (CI->getValue().isNegative())
return CI->getValue().countLeadingOnes();
return CI->getValue().countLeadingZeros();
}
// Note that ConstantInt is handled by the general ComputeMaskedBits case
// below.
if (Depth == 6)
return 1; // Limit search depth.