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ir: delete dead code

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This commit is contained in:
Andrew Kelley
2018-12-18 15:48:26 -05:00
parent f75262b79f
commit e077a44656
3 changed files with 1 additions and 29 deletions
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26
src/codegen.cpp
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@@ -2882,32 +2882,6 @@ static LLVMValueRef ir_render_cast(CodeGen *g, IrExecutable *executable,
gen_store_untyped(g, new_len, dest_len_ptr, 0, false);
return cast_instruction->tmp_ptr;
}
case CastOpBytesToSlice:
{
assert(cast_instruction->tmp_ptr);
assert(wanted_type->id == ZigTypeIdStruct);
assert(wanted_type->data.structure.is_slice);
assert(actual_type->id == ZigTypeIdArray);
ZigType *wanted_pointer_type = wanted_type->data.structure.fields[slice_ptr_index].type_entry;
ZigType *wanted_child_type = wanted_pointer_type->data.pointer.child_type;
size_t wanted_ptr_index = wanted_type->data.structure.fields[0].gen_index;
LLVMValueRef dest_ptr_ptr = LLVMBuildStructGEP(g->builder, cast_instruction->tmp_ptr,
(unsigned)wanted_ptr_index, "");
LLVMValueRef src_ptr_casted = LLVMBuildBitCast(g->builder, expr_val, wanted_pointer_type->type_ref, "");
gen_store_untyped(g, src_ptr_casted, dest_ptr_ptr, 0, false);
size_t wanted_len_index = wanted_type->data.structure.fields[1].gen_index;
LLVMValueRef len_ptr = LLVMBuildStructGEP(g->builder, cast_instruction->tmp_ptr,
(unsigned)wanted_len_index, "");
LLVMValueRef len_val = LLVMConstInt(g->builtin_types.entry_usize->type_ref,
actual_type->data.array.len / type_size(g, wanted_child_type), false);
gen_store_untyped(g, len_val, len_ptr, 0, false);
return cast_instruction->tmp_ptr;
}
case CastOpIntToFloat: