diff options
Diffstat (limited to 'lib/CodeGen/RegAllocLinearScan.cpp')
-rw-r--r-- | lib/CodeGen/RegAllocLinearScan.cpp | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp index b18f62be00..bbff424710 100644 --- a/lib/CodeGen/RegAllocLinearScan.cpp +++ b/lib/CodeGen/RegAllocLinearScan.cpp @@ -933,13 +933,9 @@ LiveInterval *RALinScan::hasNextReloadInterval(LiveInterval *cur) { } void RALinScan::DowngradeRegister(LiveInterval *li, unsigned Reg) { - bool isNew = DowngradedRegs.insert(Reg); - (void)isNew; // Silence compiler warning. - assert(isNew && "Multiple reloads holding the same register?"); - DowngradeMap.insert(std::make_pair(li->reg, Reg)); - for (const unsigned *AS = tri_->getAliasSet(Reg); *AS; ++AS) { - isNew = DowngradedRegs.insert(*AS); - isNew = isNew; // Silence compiler warning. + for (const unsigned *AS = tri_->getOverlaps(Reg); *AS; ++AS) { + bool isNew = DowngradedRegs.insert(*AS); + (void)isNew; // Silence compiler warning. assert(isNew && "Multiple reloads holding the same register?"); DowngradeMap.insert(std::make_pair(li->reg, *AS)); } |