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[LivePhysReg] Fix off by 1 error in an assert. NFC #128379

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Merged
merged 1 commit into from
Feb 23, 2025
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[LivePhysReg] Fix off by 1 error in an assert. NFC #128379

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4 changes: 2 additions & 2 deletions llvm/include/llvm/CodeGen/LivePhysRegs.h
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Original file line number Diff line number Diff line change
Expand Up @@ -82,7 +82,7 @@ class LivePhysRegs {
/// Adds a physical register and all its sub-registers to the set.
void addReg(MCPhysReg Reg) {
assert(TRI && "LivePhysRegs is not initialized.");
assert(Reg <= TRI->getNumRegs() && "Expected a physical register.");
assert(Reg < TRI->getNumRegs() && "Expected a physical register.");
for (MCPhysReg SubReg : TRI->subregs_inclusive(Reg))
LiveRegs.insert(SubReg);
}
Expand All @@ -91,7 +91,7 @@ class LivePhysRegs {
/// super-registers from the set.
void removeReg(MCPhysReg Reg) {
assert(TRI && "LivePhysRegs is not initialized.");
assert(Reg <= TRI->getNumRegs() && "Expected a physical register.");
assert(Reg < TRI->getNumRegs() && "Expected a physical register.");
for (MCRegAliasIterator R(Reg, TRI, true); R.isValid(); ++R)
LiveRegs.erase((*R).id());
}
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