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-rw-r--r--lib/CodeGen/RegAllocBasic.cpp8
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/CodeGen/RegAllocBasic.cpp b/lib/CodeGen/RegAllocBasic.cpp
index 6b01ccb309..83dbbf2c1d 100644
--- a/lib/CodeGen/RegAllocBasic.cpp
+++ b/lib/CodeGen/RegAllocBasic.cpp
@@ -204,8 +204,8 @@ 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 uint16_t *asI = TRI->getOverlaps(PhysReg); *asI; ++asI) {
- LiveIntervalUnion::Query &QAlias = query(VirtReg, *asI);
+ for (MCRegAliasIterator AI(PhysReg, TRI, true); AI.isValid(); ++AI) {
+ LiveIntervalUnion::Query &QAlias = query(VirtReg, *AI);
NumInterferences += QAlias.collectInterferingVRegs();
if (QAlias.seenUnspillableVReg()) {
return false;
@@ -216,8 +216,8 @@ bool RABasic::spillInterferences(LiveInterval &VirtReg, unsigned PhysReg,
assert(NumInterferences > 0 && "expect interference");
// Spill each interfering vreg allocated to PhysReg or an alias.
- for (const uint16_t *AliasI = TRI->getOverlaps(PhysReg); *AliasI; ++AliasI)
- spillReg(VirtReg, *AliasI, SplitVRegs);
+ for (MCRegAliasIterator AI(PhysReg, TRI, true); AI.isValid(); ++AI)
+ spillReg(VirtReg, *AI, SplitVRegs);
return true;
}