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[VE] Disable relative lookup table converter pass for VE

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VE's linker, /opt/nec/ve/bin/nld, doesn't implement relative lookup table.
The relative lookup table is introduced by https://reviews.llvm.org/D94355,
but we need to disable it at the moment.

Reviewed By: simoll

Differential Revision: https://reviews.llvm.org/D106224
This commit is contained in:
Kazushi (Jam) Marukawa 2021-07-18 04:32:21 +09:00
parent 070bb38c2e
commit 92e22e34b8
1 changed files with 10 additions and 0 deletions
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10
lib/Target/VE/VETargetTransformInfo.h
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@ -76,6 +76,16 @@ public:
// TODO report vregs once vector isel is stable.
return 0;
}
bool shouldBuildRelLookupTables() const {
// NEC nld doesn't support relative lookup tables. It shows following
// errors. So, we disable it at the moment.
// /opt/nec/ve/bin/nld: src/CMakeFiles/cxxabi_shared.dir/cxa_demangle.cpp
// .o(.rodata+0x17b4): reloc against `.L.str.376': error 2
// /opt/nec/ve/bin/nld: final link failed: Nonrepresentable section on
// output
return false;
}
};
} // namespace llvm