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/AggressiveAntiDepBreaker.cpp b/lib/CodeGen/AggressiveAntiDepBreaker.cpp
index 444e1de..cd7b246 100644
--- a/lib/CodeGen/AggressiveAntiDepBreaker.cpp
+++ b/lib/CodeGen/AggressiveAntiDepBreaker.cpp
@@ -157,7 +157,7 @@
// In a return block, examine the function live-out regs.
for (MachineRegisterInfo::liveout_iterator I = MRI.liveout_begin(),
E = MRI.liveout_end(); I != E; ++I) {
- for (const unsigned *Alias = TRI->getOverlaps(*I);
+ for (const uint16_t *Alias = TRI->getOverlaps(*I);
unsigned Reg = *Alias; ++Alias) {
State->UnionGroups(Reg, 0);
KillIndices[Reg] = BB->size();
@@ -173,7 +173,7 @@
SE = BB->succ_end(); SI != SE; ++SI)
for (MachineBasicBlock::livein_iterator I = (*SI)->livein_begin(),
E = (*SI)->livein_end(); I != E; ++I) {
- for (const unsigned *Alias = TRI->getOverlaps(*I);
+ for (const uint16_t *Alias = TRI->getOverlaps(*I);
unsigned Reg = *Alias; ++Alias) {
State->UnionGroups(Reg, 0);
KillIndices[Reg] = BB->size();
@@ -189,7 +189,7 @@
for (const uint16_t *I = TRI->getCalleeSavedRegs(&MF); *I; ++I) {
unsigned Reg = *I;
if (!IsReturnBlock && !Pristine.test(Reg)) continue;
- for (const unsigned *Alias = TRI->getOverlaps(Reg);
+ for (const uint16_t *Alias = TRI->getOverlaps(Reg);
unsigned AliasReg = *Alias; ++Alias) {
State->UnionGroups(AliasReg, 0);
KillIndices[AliasReg] = BB->size();
@@ -392,7 +392,7 @@
// Any aliased that are live at this point are completely or
// partially defined here, so group those aliases with Reg.
- for (const unsigned *Alias = TRI->getAliasSet(Reg); *Alias; ++Alias) {
+ for (const uint16_t *Alias = TRI->getAliasSet(Reg); *Alias; ++Alias) {
unsigned AliasReg = *Alias;
if (State->IsLive(AliasReg)) {
State->UnionGroups(Reg, AliasReg);
@@ -423,7 +423,7 @@
continue;
// Update def for Reg and aliases.
- for (const unsigned *Alias = TRI->getOverlaps(Reg);
+ for (const uint16_t *Alias = TRI->getOverlaps(Reg);
unsigned AliasReg = *Alias; ++Alias)
DefIndices[AliasReg] = Count;
}
@@ -678,7 +678,7 @@
goto next_super_reg;
} else {
bool found = false;
- for (const unsigned *Alias = TRI->getAliasSet(NewReg);
+ for (const uint16_t *Alias = TRI->getAliasSet(NewReg);
*Alias; ++Alias) {
unsigned AliasReg = *Alias;
if (State->IsLive(AliasReg) ||