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fix alignment problem with @bitCast result location

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This commit is contained in:
Andrew Kelley 2019-06-12 13:49:57 -04:00
parent 278c7a2bc3
commit 35352e0f48
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GPG Key ID: 7C5F548F728501A9
1 changed files with 13 additions and 1 deletions
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14
src/ir.cpp
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@ -14812,6 +14812,7 @@ static bool type_can_bit_cast(ZigType *t) {
static IrInstruction *ir_resolve_result(IrAnalyze *ira, IrInstruction *suspend_source_instr,
ResultLoc *result_loc, ZigType *value_type, IrInstruction *value)
{
Error err;
if (result_loc->resolved_loc != nullptr) {
// allow to redo the result location if the value is known and comptime and the previous one isn't
if (value == nullptr || !instr_is_comptime(value) || instr_is_comptime(result_loc->resolved_loc)) {
@ -14962,7 +14963,18 @@ static IrInstruction *ir_resolve_result(IrAnalyze *ira, IrInstruction *suspend_s
{
return parent_result_loc;
}
ZigType *ptr_type = get_pointer_to_type(ira->codegen, value_type, false);
ZigType *parent_ptr_type = parent_result_loc->value.type;
assert(parent_ptr_type->id == ZigTypeIdPointer);
if ((err = type_resolve(ira->codegen, parent_ptr_type->data.pointer.child_type,
ResolveStatusAlignmentKnown)))
{
return ira->codegen->invalid_instruction;
}
uint64_t parent_ptr_align = get_ptr_align(ira->codegen, parent_ptr_type);
ZigType *ptr_type = get_pointer_to_type_extra(ira->codegen, value_type,
parent_ptr_type->data.pointer.is_const, parent_ptr_type->data.pointer.is_volatile, PtrLenSingle,
parent_ptr_align, 0, 0, parent_ptr_type->data.pointer.allow_zero);
result_loc->written = true;
result_loc->resolved_loc = ir_analyze_ptr_cast(ira, suspend_source_instr, parent_result_loc,
ptr_type, result_bit_cast->base.source_instruction, false);