diff options
Diffstat (limited to 'lib/CodeGen/LiveIntervalAnalysis.cpp')
| -rw-r--r-- | lib/CodeGen/LiveIntervalAnalysis.cpp | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp index 3adad78060..039982a5dd 100644 --- a/lib/CodeGen/LiveIntervalAnalysis.cpp +++ b/lib/CodeGen/LiveIntervalAnalysis.cpp @@ -196,7 +196,7 @@ void LiveIntervals::updateSpilledInterval(Interval& li, VirtRegMap& vrm, int slot) { - assert(li.weight != std::numeric_limits<float>::infinity() && + assert(li.weight != HUGE_VAL && "attempt to spill already spilled interval!"); Interval::Ranges oldRanges; swap(oldRanges, li.ranges); @@ -253,7 +253,7 @@ void LiveIntervals::updateSpilledInterval(Interval& li, } } // the new spill weight is now infinity as it cannot be spilled again - li.weight = std::numeric_limits<float>::infinity(); + li.weight = HUGE_VAL; DEBUG(std::cerr << '\n'); DEBUG(std::cerr << "\t\t\t\tupdated interval: " << li << '\n'); } @@ -556,15 +556,13 @@ LiveIntervals::Interval& LiveIntervals::getOrCreateInterval(unsigned reg) LiveIntervals::Interval::Interval(unsigned r) : reg(r), - weight((MRegisterInfo::isPhysicalRegister(r) ? - std::numeric_limits<float>::infinity() : 0.0F)) + weight((MRegisterInfo::isPhysicalRegister(r) ? HUGE_VAL : 0.0F)) { - } bool LiveIntervals::Interval::spilled() const { - return (weight == std::numeric_limits<float>::infinity() && + return (weight == HUGE_VAL && MRegisterInfo::isVirtualRegister(reg)); } |