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IR: fix missing implicit casts in init expressions

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and implement runtime struct init instruction
This commit is contained in:
Andrew Kelley
2016-12-22 09:35:07 -05:00
parent ed962d9d21
commit ba8af0f1e2
4 changed files with 52 additions and 26 deletions
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18
src/codegen.cpp
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@@ -2171,6 +2171,20 @@ static LLVMValueRef ir_render_init_enum(CodeGen *g, IrExecutable *executable, Ir
return tmp_struct_ptr;
}
static LLVMValueRef ir_render_struct_init(CodeGen *g, IrExecutable *executable, IrInstructionStructInit *instruction) {
for (size_t i = 0; i < instruction->field_count; i += 1) {
IrInstructionStructInitField *field = &instruction->fields[i];
TypeStructField *type_struct_field = field->type_struct_field;
if (!type_has_bits(type_struct_field->type_entry))
continue;
LLVMValueRef field_ptr = LLVMBuildStructGEP(g->builder, instruction->tmp_ptr, type_struct_field->gen_index, "");
LLVMValueRef value = ir_llvm_value(g, field->value);
gen_assign_raw(g, field_ptr, value, type_struct_field->type_entry, type_struct_field->type_entry);
}
return instruction->tmp_ptr;
}
static void set_debug_location(CodeGen *g, IrInstruction *instruction) {
AstNode *source_node = instruction->source_node;
Scope *scope = instruction->scope;
@@ -2307,12 +2321,12 @@ static LLVMValueRef ir_render_instruction(CodeGen *g, IrExecutable *executable,
return ir_render_enum_tag(g, executable, (IrInstructionEnumTag *)instruction);
case IrInstructionIdInitEnum:
return ir_render_init_enum(g, executable, (IrInstructionInitEnum *)instruction);
case IrInstructionIdStructInit:
return ir_render_struct_init(g, executable, (IrInstructionStructInit *)instruction);
case IrInstructionIdSwitchVar:
zig_panic("TODO render switch var instruction to LLVM");
case IrInstructionIdContainerInitList:
zig_panic("TODO render container init list instruction to LLVM");
case IrInstructionIdStructInit:
zig_panic("TODO render struct init to LLVM");
}
zig_unreachable();
}