diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2020-01-17 20:45:01 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2020-01-17 20:45:01 +0000 |
| commit | 706b4fc47bbc608932d3b491ae19a3b9cde9497b (patch) | |
| tree | 4adf86a776049cbf7f69a1929c4babcbbef925eb /llvm/lib/CodeGen/RegisterClassInfo.cpp | |
| parent | 7cc9cf2bf09f069cb2dd947ead05d0b54301fb71 (diff) | |
Notes
Diffstat (limited to 'llvm/lib/CodeGen/RegisterClassInfo.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/RegisterClassInfo.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/RegisterClassInfo.cpp b/llvm/lib/CodeGen/RegisterClassInfo.cpp index 530e0cccf1d4..1523bd4d1649 100644 --- a/llvm/lib/CodeGen/RegisterClassInfo.cpp +++ b/llvm/lib/CodeGen/RegisterClassInfo.cpp @@ -59,7 +59,7 @@ void RegisterClassInfo::runOnMachineFunction(const MachineFunction &mf) { if (Update || CSR != CalleeSavedRegs) { // Build a CSRAlias map. Every CSR alias saves the last // overlapping CSR. - CalleeSavedAliases.resize(TRI->getNumRegs(), 0); + CalleeSavedAliases.assign(TRI->getNumRegs(), 0); for (const MCPhysReg *I = CSR; *I; ++I) for (MCRegAliasIterator AI(*I, TRI, true); AI.isValid(); ++AI) CalleeSavedAliases[*AI] = *I; @@ -186,6 +186,7 @@ unsigned RegisterClassInfo::computePSetLimit(unsigned Idx) const { NumRCUnits = NUnits; } } + assert(RC && "Failed to find register class"); compute(RC); unsigned NReserved = RC->getNumRegs() - getNumAllocatableRegs(RC); return TRI->getRegPressureSetLimit(*MF, Idx) - |