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jit: Reference function pointer types via llvmjit_types.c.

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It is error prone (see 5da871bfa1) and verbose to manually create function
types. Add a helper that can reference a function pointer type via
llvmjit_types.c and and convert existing instances of manual creation.

Author: Andres Freund <andres@anarazel.de>
Reviewed-By: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/20201207212142.wz5tnbk2jsaqzogb@alap3.anarazel.de
This commit is contained in:
Andres Freund
2020-12-07 13:16:55 -08:00
parent 62ee703313
commit df99ddc70b
4 changed files with 69 additions and 63 deletions
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src/include/jit/llvmjit.h
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@ -92,6 +92,8 @@ extern LLVMModuleRef llvm_mutable_module(LLVMJitContext *context);
extern char *llvm_expand_funcname(LLVMJitContext *context, const char *basename);
extern void *llvm_get_function(LLVMJitContext *context, const char *funcname);
extern void llvm_split_symbol_name(const char *name, char **modname, char **funcname);
extern LLVMTypeRef llvm_pg_var_type(const char *varname);
extern LLVMTypeRef llvm_pg_var_func_type(const char *varname);
extern LLVMValueRef llvm_pg_func(LLVMModuleRef mod, const char *funcname);
extern void llvm_copy_attributes(LLVMValueRef from, LLVMValueRef to);
extern LLVMValueRef llvm_function_reference(LLVMJitContext *context,