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Use uint16_t to store register overlaps to reduce static data.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152001 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper
2012-03-04 10:43:23 +00:00
parent 9406da6e66
commit e4fd907e72
33 changed files with 76 additions and 76 deletions
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lib/CodeGen/RegAllocBasic.cpp
+2 -2
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@@ -204,7 +204,7 @@ bool RABasic::spillInterferences(LiveInterval &VirtReg, unsigned PhysReg,
// either the union or live intervals.
unsigned NumInterferences = 0;
// Collect interferences assigned to any alias of the physical register.
for (const unsigned *asI = TRI->getOverlaps(PhysReg); *asI; ++asI) {
for (const uint16_t *asI = TRI->getOverlaps(PhysReg); *asI; ++asI) {
LiveIntervalUnion::Query &QAlias = query(VirtReg, *asI);
NumInterferences += QAlias.collectInterferingVRegs();
if (QAlias.seenUnspillableVReg()) {
@@ -216,7 +216,7 @@ bool RABasic::spillInterferences(LiveInterval &VirtReg, unsigned PhysReg,
assert(NumInterferences > 0 && "expect interference");
// Spill each interfering vreg allocated to PhysReg or an alias.
for (const unsigned *AliasI = TRI->getOverlaps(PhysReg); *AliasI; ++AliasI)
for (const uint16_t *AliasI = TRI->getOverlaps(PhysReg); *AliasI; ++AliasI)
spillReg(VirtReg, *AliasI, SplitVRegs);
return true;
}