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Configure LLVM module PIC level

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As of LLVM 9, this is required for 32-bit PowerPC to properly generate
PLT references. Previously, only BigPIC was supported; now LLVM supports
both BigPIC and SmallPIC, and there is no default value provided.
This commit is contained in:
Samuel Holland 2019-11-03 10:52:00 -06:00
parent 91fd6283e6
commit 1943079361
3 changed files with 9 additions and 0 deletions
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4
src/rustllvm/PassWrapper.cpp
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@ -754,6 +754,10 @@ LLVMRustSetDataLayoutFromTargetMachine(LLVMModuleRef Module,
unwrap(Module)->setDataLayout(Target->createDataLayout());
}
extern "C" void LLVMRustSetModulePICLevel(LLVMModuleRef M) {
unwrap(M)->setPICLevel(PICLevel::Level::BigPIC);
}
extern "C" void LLVMRustSetModulePIELevel(LLVMModuleRef M) {
unwrap(M)->setPIELevel(PIELevel::Level::Large);
}