diff options
Diffstat (limited to 'lib/CodeGen/RegAllocLinearScan.cpp')
| -rw-r--r-- | lib/CodeGen/RegAllocLinearScan.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp index a26924be62..4df172d40c 100644 --- a/lib/CodeGen/RegAllocLinearScan.cpp +++ b/lib/CodeGen/RegAllocLinearScan.cpp @@ -851,7 +851,8 @@ void RALinScan::assignRegOrStackSlotAtInterval(LiveInterval* cur) if (minWeight == HUGE_VALF) { // All registers must have inf weight. Just grab one! minReg = BestPhysReg ? BestPhysReg : *RC->allocation_order_begin(*mf_); - if (cur->weight == HUGE_VALF || cur->getSize() == 1) + if (cur->weight == HUGE_VALF || + li_->getApproximateInstructionCount(*cur) == 1) // Spill a physical register around defs and uses. li_->spillPhysRegAroundRegDefsUses(*cur, minReg, *vrm_); } |