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Add cast_convert_val for derived classes of IROperandOwner. 

This fixes a bug where casting from a Statement to an Operation would produce an incorrect pointer.

PiperOrigin-RevId: 220479218
This commit is contained in:
River Riddle 2018-11-07 09:51:06 -08:00 committed by jpienaar
parent d7637a1d16
commit a150e0b33d
1 changed files with 12 additions and 0 deletions
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12
mlir/include/mlir/IR/Operation.h
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@ -429,6 +429,18 @@ struct cast_convert_val<mlir::Operation, mlir::IROperandOwner *,
mlir::IROperandOwner *> {
static mlir::Operation *doit(const mlir::IROperandOwner *value);
};
template <typename From>
struct cast_convert_val<mlir::Operation, From *, From *> {
template <typename FromImpl,
typename std::enable_if<std::is_base_of<
mlir::IROperandOwner, FromImpl>::value>::type * = nullptr>
static mlir::Operation *doit_impl(const FromImpl *value) {
return cast_convert_val<mlir::Operation, mlir::IROperandOwner *,
mlir::IROperandOwner *>::doit(value);
}
static mlir::Operation *doit(const From *value) { return doit_impl(value); }
};
} // namespace llvm
#endif