Use uint16_t to store register overlaps to reduce static data.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152001 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAllocGreedy.cpp b/lib/CodeGen/RegAllocGreedy.cpp
index 1d089ae..feec3d4 100644
--- a/lib/CodeGen/RegAllocGreedy.cpp
+++ b/lib/CodeGen/RegAllocGreedy.cpp
@@ -539,7 +539,7 @@
Cascade = NextCascade;
EvictionCost Cost;
- for (const unsigned *AliasI = TRI->getOverlaps(PhysReg); *AliasI; ++AliasI) {
+ for (const uint16_t *AliasI = TRI->getOverlaps(PhysReg); *AliasI; ++AliasI) {
LiveIntervalUnion::Query &Q = query(VirtReg, *AliasI);
// If there is 10 or more interferences, chances are one is heavier.
if (Q.collectInterferingVRegs(10) >= 10)
@@ -597,7 +597,7 @@
DEBUG(dbgs() << "evicting " << PrintReg(PhysReg, TRI)
<< " interference: Cascade " << Cascade << '\n');
- for (const unsigned *AliasI = TRI->getOverlaps(PhysReg); *AliasI; ++AliasI) {
+ for (const uint16_t *AliasI = TRI->getOverlaps(PhysReg); *AliasI; ++AliasI) {
LiveIntervalUnion::Query &Q = query(VirtReg, *AliasI);
assert(Q.seenAllInterferences() && "Didn't check all interfererences.");
for (unsigned i = 0, e = Q.interferingVRegs().size(); i != e; ++i) {
@@ -1291,7 +1291,7 @@
GapWeight.assign(NumGaps, 0.0f);
// Add interference from each overlapping register.
- for (const unsigned *AI = TRI->getOverlaps(PhysReg); *AI; ++AI) {
+ for (const uint16_t *AI = TRI->getOverlaps(PhysReg); *AI; ++AI) {
if (!query(const_cast<LiveInterval&>(SA->getParent()), *AI)
.checkInterference())
continue;