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[ConstantRange] Delete unused getSetSize

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getSetSize returns an APInt that is 1 bit wider. The APInt is typically 65-bit and requires memory allocation. isSizeStrictlySmallerThan and isSizeLargerThan are preferred. The last use of this helper method was removed by rL302385.

llvm-svn: 358347
This commit is contained in:
Fangrui Song 2019-04-14 04:45:04 +00:00
parent dc90b35633
commit 9227721225
2 changed files with 0 additions and 11 deletions
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3
include/llvm/IR/ConstantRange.h
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@ -205,9 +205,6 @@ public:
/// Return true if this set contains exactly one member.
bool isSingleElement() const { return getSingleElement() != nullptr; }
/// Return the number of elements in this set.
APInt getSetSize() const;
/// Compare set size of this range with the range CR.
bool isSizeStrictlySmallerThan(const ConstantRange &CR) const;

8
lib/IR/ConstantRange.cpp
View File

@ -349,14 +349,6 @@ bool ConstantRange::isUpperSignWrapped() const {
return Lower.sgt(Upper);
}
APInt ConstantRange::getSetSize() const {
if (isFullSet())
return APInt::getOneBitSet(getBitWidth()+1, getBitWidth());
// This is also correct for wrapped sets.
return (Upper - Lower).zext(getBitWidth()+1);
}
bool
ConstantRange::isSizeStrictlySmallerThan(const ConstantRange &Other) const {
assert(getBitWidth() == Other.getBitWidth());