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Move EEOP_*_SYSVAR evaluation out of line.

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This mainly de-duplicates code. As evaluating a system variable isn't
the hottest path and the current inline implementation ends up calling
out to an external function anyway, this is OK from a performance POV.

The main motivation for de-duplicating is the upcoming slot
abstraction work, after which there's not guaranteed to be a HeapTuple
backing the slot.

Author: Andres Freund, Amit Khandekar
Discussion: https://postgr.es/m/20181105210039.hh4vvi4vwoq5ba2q@alap3.anarazel.de
This commit is contained in:
Andres Freund
2018-11-07 11:08:45 -08:00
parent 517b0d0b5f
commit b84a6dafbf
6 changed files with 33 additions and 73 deletions
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src/include/jit/llvmjit.h
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@ -79,9 +79,9 @@ extern LLVMValueRef FuncStrlen;
extern LLVMValueRef FuncVarsizeAny;
extern LLVMValueRef FuncSlotGetsomeattrs;
extern LLVMValueRef FuncSlotGetmissingattrs;
extern LLVMValueRef FuncHeapGetsysattr;
extern LLVMValueRef FuncMakeExpandedObjectReadOnlyInternal;
extern LLVMValueRef FuncExecEvalArrayRefSubscript;
extern LLVMValueRef FuncExecEvalSysVar;
extern LLVMValueRef FuncExecAggTransReparent;
extern LLVMValueRef FuncExecAggInitGroup;