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rustllvm: Add LLVMRustArrayType

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LLVM internally uses `uint64_t` for array size, but the corresponding
C API (`LLVMArrayType`) uses `unsigned int` so ths value is truncated.
Therefore rustc generates wrong type for fixed-sized large vector e.g.
`[0 x i8]` for `[0u8, ..(1 << 32)]`.

This patch adds `LLVMRustArrayType` function for `uint64_t` support.
This commit is contained in:
klutzy 2014-05-10 17:30:55 +09:00 • committed by Alex Crichton
parent 6878039c12
commit 9f7caed202
4 changed files with 21 additions and 4 deletions
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6
src/rustllvm/RustWrapper.cpp
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@ -754,3 +754,9 @@ LLVMRustGetSectionName(LLVMSectionIteratorRef SI, const char **ptr) {
*ptr = ret.data();
return ret.size();
}
// LLVMArrayType function does not support 64-bit ElementCount
extern "C" LLVMTypeRef
LLVMRustArrayType(LLVMTypeRef ElementType, uint64_t ElementCount) {
return wrap(ArrayType::get(unwrap(ElementType), ElementCount));
}