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BFI: Remove more float-like language from ScaledNumber

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211560 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith 2014-06-24 00:26:10 +00:00
parent 8e52bcc591
commit 529072a6da
1 changed files with 8 additions and 8 deletions
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16
include/llvm/Analysis/BlockFrequencyInfoImpl.h
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@ -146,9 +146,9 @@ public:
static ScaledNumber getLargest() {
return ScaledNumber(DigitsLimits::max(), ScaledNumbers::MaxScale);
}
static ScaledNumber getFloat(uint64_t N) { return adjustToWidth(N, 0); }
static ScaledNumber getInverseFloat(uint64_t N) {
return getFloat(N).invert();
static ScaledNumber get(uint64_t N) { return adjustToWidth(N, 0); }
static ScaledNumber getInverse(uint64_t N) {
return get(N).invert();
}
static ScaledNumber getFraction(DigitsType N, DigitsType D) {
return getQuotient(N, D);
@ -293,18 +293,18 @@ public:
return ScaledNumbers::compare(Digits, Scale, X.Digits, X.Scale);
}
int compareTo(uint64_t N) const {
ScaledNumber Float = getFloat(N);
int Compare = compare(Float);
ScaledNumber Scaled = get(N);
int Compare = compare(Scaled);
if (Width == 64 || Compare != 0)
return Compare;
// Check for precision loss. We know *this == RoundTrip.
uint64_t RoundTrip = Float.template toInt<uint64_t>();
uint64_t RoundTrip = Scaled.template toInt<uint64_t>();
return N == RoundTrip ? 0 : RoundTrip < N ? -1 : 1;
}
int compareTo(int64_t N) const { return N < 0 ? 1 : compareTo(uint64_t(N)); }
ScaledNumber &invert() { return *this = ScaledNumber::getFloat(1) / *this; }
ScaledNumber &invert() { return *this = ScaledNumber::get(1) / *this; }
ScaledNumber inverse() const { return ScaledNumber(*this).invert(); }
private:
@ -390,7 +390,7 @@ SCALED_NUMBER_COMPARE_TO(>= )
template <class DigitsT>
uint64_t ScaledNumber<DigitsT>::scale(uint64_t N) const {
if (Width == 64 || N <= DigitsLimits::max())
return (getFloat(N) * *this).template toInt<uint64_t>();
return (get(N) * *this).template toInt<uint64_t>();
// Defer to the 64-bit version.
return ScaledNumber<uint64_t>(Digits, Scale).scale(N);