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Only allow LLVM element_type on Array and Vector

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This commit is contained in:
Josh Stone 2021-08-05 11:06:32 -07:00
parent 41f27d903a
commit a292390854
1 changed files with 5 additions and 1 deletions
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6
compiler/rustc_codegen_llvm/src/type_.rs
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@ -203,7 +203,11 @@ impl BaseTypeMethods<'tcx> for CodegenCx<'ll, 'tcx> {
}
fn element_type(&self, ty: &'ll Type) -> &'ll Type {
unsafe { llvm::LLVMGetElementType(ty) }
match self.type_kind(ty) {
TypeKind::Array | TypeKind::Vector => unsafe { llvm::LLVMGetElementType(ty) },
TypeKind::Pointer => bug!("element_type is not supported for opaque pointers"),
other => bug!("element_type called on unsupported type {:?}", other),
}
}
fn vector_length(&self, ty: &'ll Type) -> usize {