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Do an early exit when the result is known cheaply.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95002 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands 2010-02-01 20:57:35 +00:00
parent b29d596072
commit aec0081fac
1 changed files with 5 additions and 0 deletions
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5
include/llvm/CodeGen/ValueTypes.h
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@ -492,26 +492,31 @@ namespace llvm {
/// bitsEq - Return true if this has the same number of bits as VT.
bool bitsEq(EVT VT) const {
if (EVT::operator==(VT)) return true;
return getSizeInBits() == VT.getSizeInBits();
}
/// bitsGT - Return true if this has more bits than VT.
bool bitsGT(EVT VT) const {
if (EVT::operator==(VT)) return false;
return getSizeInBits() > VT.getSizeInBits();
}
/// bitsGE - Return true if this has no less bits than VT.
bool bitsGE(EVT VT) const {
if (EVT::operator==(VT)) return true;
return getSizeInBits() >= VT.getSizeInBits();
}
/// bitsLT - Return true if this has less bits than VT.
bool bitsLT(EVT VT) const {
if (EVT::operator==(VT)) return false;
return getSizeInBits() < VT.getSizeInBits();
}
/// bitsLE - Return true if this has no more bits than VT.
bool bitsLE(EVT VT) const {
if (EVT::operator==(VT)) return true;
return getSizeInBits() <= VT.getSizeInBits();
}