diff options
Diffstat (limited to 'src/backend/jit/llvm/llvmjit.c')
| -rw-r--r-- | src/backend/jit/llvm/llvmjit.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/src/backend/jit/llvm/llvmjit.c b/src/backend/jit/llvm/llvmjit.c index 21d36605a48..cd3c40c5f1b 100644 --- a/src/backend/jit/llvm/llvmjit.c +++ b/src/backend/jit/llvm/llvmjit.c @@ -46,6 +46,8 @@ typedef struct LLVMJitHandle /* types & functions commonly needed for JITing */ LLVMTypeRef TypeSizeT; +LLVMTypeRef TypeParamBool; +LLVMTypeRef TypeStorageBool; LLVMTypeRef TypePGFunction; LLVMTypeRef StructHeapTupleFieldsField3; LLVMTypeRef StructHeapTupleFields; @@ -682,7 +684,7 @@ llvm_shutdown(int code, Datum arg) } } -/* helper for llvm_create_types */ +/* helper for llvm_create_types, returning a global var's type */ static LLVMTypeRef load_type(LLVMModuleRef mod, const char *name) { @@ -702,6 +704,31 @@ load_type(LLVMModuleRef mod, const char *name) return typ; } +/* helper for llvm_create_types, returning a function's return type */ +static LLVMTypeRef +load_return_type(LLVMModuleRef mod, const char *name) +{ + LLVMValueRef value; + LLVMTypeRef typ; + + /* this'll return a *pointer* to the function */ + value = LLVMGetNamedFunction(mod, name); + if (!value) + elog(ERROR, "function %s is unknown", name); + + /* get type of function pointer */ + typ = LLVMTypeOf(value); + Assert(typ != NULL); + /* dereference pointer */ + typ = LLVMGetElementType(typ); + Assert(typ != NULL); + /* and look at return type */ + typ = LLVMGetReturnType(typ); + Assert(typ != NULL); + + return typ; +} + /* * Load required information, types, function signatures from llvmjit_types.c * and make them available in global variables. @@ -740,6 +767,8 @@ llvm_create_types(void) llvm_layout = pstrdup(LLVMGetDataLayoutStr(mod)); TypeSizeT = load_type(mod, "TypeSizeT"); + TypeParamBool = load_return_type(mod, "FunctionReturningBool"); + TypeStorageBool = load_type(mod, "TypeStorageBool"); TypePGFunction = load_type(mod, "TypePGFunction"); StructExprContext = load_type(mod, "StructExprContext"); StructExprEvalStep = load_type(mod, "StructExprEvalStep"); |