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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2020-01-15 11:51:55 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2020-01-15 12:18:12 +0000 |
| commit | 0b64400e0b3de18c99f77380e98da8e5e1a49832 (patch) | |
| tree | c0c8839f93c96a9758ceddb53071831c5e00d426 | |
| parent | 7b15865225103389150153d12904041fcc57fd0e (diff) | |
| download | bcm5719-llvm-0b64400e0b3de18c99f77380e98da8e5e1a49832.tar.gz bcm5719-llvm-0b64400e0b3de18c99f77380e98da8e5e1a49832.zip | |
RegisterClassInfo::computePSetLimit - assert that we actually find a register.
Fixes "pointer is null" clang static analyzer warning.
| -rw-r--r-- | llvm/lib/CodeGen/RegisterClassInfo.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/RegisterClassInfo.cpp b/llvm/lib/CodeGen/RegisterClassInfo.cpp index bdfb2baa716..1523bd4d164 100644 --- a/llvm/lib/CodeGen/RegisterClassInfo.cpp +++ b/llvm/lib/CodeGen/RegisterClassInfo.cpp @@ -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) - |
