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Reverse the order of eviction checks for possible compile time savings. No functionality.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195969 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick 2013-11-29 23:49:38 +00:00
parent dcb0422f25
commit 4dc7377b20
1 changed files with 3 additions and 3 deletions
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6
lib/CodeGen/RegAllocGreedy.cpp
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@ -627,6 +627,9 @@ bool RAGreedy::canEvictInterference(LiveInterval &VirtReg, unsigned PhysReg,
return false; return false;
if (Urgent) if (Urgent)
continue; continue;
// Apply the eviction policy for non-urgent evictions.
if (!shouldEvict(VirtReg, IsHint, *Intf, BreaksHint))
return false;
// If !MaxCost.isMax(), then we're just looking for a cheap register. // If !MaxCost.isMax(), then we're just looking for a cheap register.
// Evicting another local live range in this case could lead to suboptimal // Evicting another local live range in this case could lead to suboptimal
// coloring. // coloring.
@ -634,9 +637,6 @@ bool RAGreedy::canEvictInterference(LiveInterval &VirtReg, unsigned PhysReg,
!canReassign(*Intf, PhysReg)) { !canReassign(*Intf, PhysReg)) {
return false; return false;
} }
// Finally, apply the eviction policy for non-urgent evictions.
if (!shouldEvict(VirtReg, IsHint, *Intf, BreaksHint))
return false;
} }
} }
MaxCost = Cost; MaxCost = Cost;