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authorAndrew Trick <atrick@apple.com>2013-11-29 23:49:38 +0000
committerAndrew Trick <atrick@apple.com>2013-11-29 23:49:38 +0000
commitc2ab53a318c7c9fa5cc6ede0bf633fbda8abfcf8 (patch)
tree8697d4d6f3f48ebbe7d1910c12369f3e1c927aa9 /llvm/lib/CodeGen/RegAllocGreedy.cpp
parentad450f239fa271e82b57f629257b755b4da113ac (diff)
downloadbcm5719-llvm-c2ab53a318c7c9fa5cc6ede0bf633fbda8abfcf8.tar.gz
bcm5719-llvm-c2ab53a318c7c9fa5cc6ede0bf633fbda8abfcf8.zip
Reverse the order of eviction checks for possible compile time savings. No functionality.
llvm-svn: 195969
Diffstat (limited to 'llvm/lib/CodeGen/RegAllocGreedy.cpp')
-rw-r--r--llvm/lib/CodeGen/RegAllocGreedy.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/RegAllocGreedy.cpp b/llvm/lib/CodeGen/RegAllocGreedy.cpp
index 27dc07b54c9..3a02aaec344 100644
--- a/llvm/lib/CodeGen/RegAllocGreedy.cpp
+++ b/llvm/lib/CodeGen/RegAllocGreedy.cpp
@@ -627,6 +627,9 @@ bool RAGreedy::canEvictInterference(LiveInterval &VirtReg, unsigned PhysReg,
return false;
if (Urgent)
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.
// Evicting another local live range in this case could lead to suboptimal
// coloring.
@@ -634,9 +637,6 @@ bool RAGreedy::canEvictInterference(LiveInterval &VirtReg, unsigned PhysReg,
!canReassign(*Intf, PhysReg)) {
return false;
}
- // Finally, apply the eviction policy for non-urgent evictions.
- if (!shouldEvict(VirtReg, IsHint, *Intf, BreaksHint))
- return false;
}
}
MaxCost = Cost;
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