Lookup runtime function before constructing the call args

To retain the LoC information in case TypeInfo declarations are missing.

Author: kinke

gen/arrays.cpp

@@ -674,13 +674,6 @@ DSliceValue *DtoNewDynArray(Loc &loc, Type *arrayType, DValue *dim,
   IF_LOG Logger::println("DtoNewDynArray : %s", arrayType->toChars());
   LOG_SCOPE;
 
-  // typeinfo arg
-  LLValue *arrayTypeInfo = DtoTypeInfoOf(arrayType);
-
-  // dim arg
-  assert(DtoType(dim->type) == DtoSize_t());
-  LLValue *arrayLen = DtoRVal(dim);
-
   // get runtime function
   Type *eltType = arrayType->toBasetype()->nextOf();
   bool zeroInit = eltType->isZeroInit();
@@ -690,6 +683,13 @@ DSliceValue *DtoNewDynArray(Loc &loc, Type *arrayType, DValue *dim,
                            : "_d_newarrayU";
   LLFunction *fn = getRuntimeFunction(loc, gIR->module, fnname);
 
+  // typeinfo arg
+  LLValue *arrayTypeInfo = DtoTypeInfoOf(arrayType);
+
+  // dim arg
+  assert(DtoType(dim->type) == DtoSize_t());
+  LLValue *arrayLen = DtoRVal(dim);
+
   // call allocator
   LLValue *newArray =
       gIR->CreateCallOrInvoke(fn, arrayTypeInfo, arrayLen, ".gc_mem")
@@ -704,9 +704,6 @@ DSliceValue *DtoNewMulDimDynArray(Loc &loc, Type *arrayType, DValue **dims,
   IF_LOG Logger::println("DtoNewMulDimDynArray : %s", arrayType->toChars());
   LOG_SCOPE;
 
-  // typeinfo arg
-  LLValue *arrayTypeInfo = DtoTypeInfoOf(arrayType);
-
   // get value type
   Type *vtype = arrayType->toBasetype();
   for (size_t i = 0; i < ndims; ++i) {
@@ -718,6 +715,9 @@ DSliceValue *DtoNewMulDimDynArray(Loc &loc, Type *arrayType, DValue **dims,
       vtype->isZeroInit() ? "_d_newarraymTX" : "_d_newarraymiTX";
   LLFunction *fn = getRuntimeFunction(loc, gIR->module, fnname);
 
+  // typeinfo arg
+  LLValue *arrayTypeInfo = DtoTypeInfoOf(arrayType);
+
   // Check if constant
   bool allDimsConst = true;
   for (size_t i = 0; i < ndims; ++i) {

gen/classes.cpp

@@ -360,12 +360,12 @@ DValue *DtoDynamicCastObject(Loc &loc, DValue *val, Type *_to) {
   // call:
   // Object _d_dynamic_cast(Object o, ClassInfo c)
 
-  resolveObjectAndClassInfoClasses();
-
   llvm::Function *func =
       getRuntimeFunction(loc, gIR->module, "_d_dynamic_cast");
   LLFunctionType *funcTy = func->getFunctionType();
 
+  resolveObjectAndClassInfoClasses();
+
   // Object o
   LLValue *obj = DtoRVal(val);
   obj = DtoBitCast(obj, funcTy->getParamType(0));
@@ -397,12 +397,12 @@ DValue *DtoDynamicCastInterface(Loc &loc, DValue *val, Type *_to) {
   // call:
   // Object _d_interface_cast(void* p, ClassInfo c)
 
-  resolveObjectAndClassInfoClasses();
-
   llvm::Function *func =
       getRuntimeFunction(loc, gIR->module, "_d_interface_cast");
   LLFunctionType *funcTy = func->getFunctionType();
 
+  resolveObjectAndClassInfoClasses();
+
   // void* p
   LLValue *ptr = DtoRVal(val);
   ptr = DtoBitCast(ptr, funcTy->getParamType(0));

gen/trycatchfinally.cpp

@@ -81,7 +81,7 @@ void TryCatchScope::emitCatchBodies(IRState &irs, llvm::Value *ehPtrSlot) {
     const bool isCPPclass = cd->isCPPclass();
 
     const auto enterCatchFn = getRuntimeFunction(
-        Loc(), irs.module,
+        c->loc, irs.module,
         isCPPclass ? "__cxa_begin_catch" : "_d_eh_enter_catch");
     const auto ptr = DtoLoad(ehPtrSlot);
     const auto throwableObj = irs.ir->CreateCall(enterCatchFn, ptr);
@@ -273,7 +273,7 @@ void emitBeginCatchMSVC(IRState &irs, Catch *ctch,
   irs.funcGen().pgo.emitCounterIncrement(ctch);
   if (!isCPPclass) {
     auto enterCatchFn =
-        getRuntimeFunction(Loc(), irs.module, "_d_eh_enter_catch");
+        getRuntimeFunction(ctch->loc, irs.module, "_d_eh_enter_catch");
     irs.CreateCallOrInvoke(enterCatchFn, DtoBitCast(exnObj, getVoidPtrType()),
                            clssInfo);
   }
@@ -320,7 +320,7 @@ void TryCatchScope::emitCatchBodiesMSVC(IRState &irs, llvm::Value *) {
   if (!irs.func()->hasLLVMPersonalityFn()) {
     const char *personality = "__CxxFrameHandler3";
     irs.func()->setLLVMPersonalityFn(
-        getRuntimeFunction(Loc(), irs.module, personality));
+        getRuntimeFunction(stmt->loc, irs.module, personality));
   }
 }