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Commit8c27694

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jit: Reference functions by name in IOCOERCE steps.
Previously we used constant function pointer addresses, which preventsinlining and other related optimizations.Author: Andres FreundDiscussion:https://postgr.es/m/20191023163849.sosqbfs5yenocez3@alap3.anarazel.de
1 parent1fdb7f9 commit8c27694

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1 file changed

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‎src/backend/jit/llvm/llvmjit_expr.c

Lines changed: 6 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -1261,10 +1261,10 @@ llvm_compile_expr(ExprState *state)
12611261
{
12621262
FunctionCallInfofcinfo_out,
12631263
fcinfo_in;
1264+
LLVMValueRefv_fn_out,
1265+
v_fn_in;
12641266
LLVMValueRefv_fcinfo_out,
12651267
v_fcinfo_in;
1266-
LLVMValueRefv_fn_addr_out,
1267-
v_fn_addr_in;
12681268
LLVMValueRefv_fcinfo_in_isnullp;
12691269
LLVMValueRefv_retval;
12701270
LLVMValueRefv_resvalue;
@@ -1290,10 +1290,10 @@ llvm_compile_expr(ExprState *state)
12901290
b_inputcall=l_bb_before_v(opblocks[opno+1],
12911291
"op.%d.inputcall",opno);
12921292

1293+
v_fn_out=llvm_function_reference(context,b,mod,fcinfo_out);
1294+
v_fn_in=llvm_function_reference(context,b,mod,fcinfo_in);
12931295
v_fcinfo_out=l_ptr_const(fcinfo_out,l_ptr(StructFunctionCallInfoData));
12941296
v_fcinfo_in=l_ptr_const(fcinfo_in,l_ptr(StructFunctionCallInfoData));
1295-
v_fn_addr_out=l_ptr_const(fcinfo_out->flinfo->fn_addr,TypePGFunction);
1296-
v_fn_addr_in=l_ptr_const(fcinfo_in->flinfo->fn_addr,TypePGFunction);
12971297

12981298
v_fcinfo_in_isnullp=
12991299
LLVMBuildStructGEP(b,v_fcinfo_in,
@@ -1323,7 +1323,7 @@ llvm_compile_expr(ExprState *state)
13231323
l_sbool_const(0),
13241324
l_funcnullp(b,v_fcinfo_out,0));
13251325
/* and call output function (can never return NULL) */
1326-
v_output=LLVMBuildCall(b,v_fn_addr_out,&v_fcinfo_out,
1326+
v_output=LLVMBuildCall(b,v_fn_out,&v_fcinfo_out,
13271327
1,"funccall_coerce_out");
13281328
LLVMBuildBr(b,b_input);
13291329

@@ -1378,7 +1378,7 @@ llvm_compile_expr(ExprState *state)
13781378
/* reset fcinfo_in->isnull */
13791379
LLVMBuildStore(b,l_sbool_const(0),v_fcinfo_in_isnullp);
13801380
/* and call function */
1381-
v_retval=LLVMBuildCall(b,v_fn_addr_in,&v_fcinfo_in,1,
1381+
v_retval=LLVMBuildCall(b,v_fn_in,&v_fcinfo_in,1,
13821382
"funccall_iocoerce_in");
13831383

13841384
LLVMBuildStore(b,v_retval,v_resvaluep);

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