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ir: Fix lazy comparison between @alignOf and zero

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Closes #4527
This commit is contained in:
LemonBoy
2020-02-23 09:44:19 +01:00
committed by Andrew Kelley
parent 648f94c027
commit 14bbb82832
2 changed files with 34 additions and 2 deletions
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15
src/ir.cpp
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@@ -15565,9 +15565,20 @@ static Error lazy_cmp_zero(CodeGen *codegen, AstNode *source_node, ZigValue *val
switch (val->data.x_lazy->id) {
case LazyValueIdInvalid:
zig_unreachable();
case LazyValueIdAlignOf:
*result = CmpGT;
case LazyValueIdAlignOf: {
LazyValueAlignOf *lazy_align_of = reinterpret_cast<LazyValueAlignOf *>(val->data.x_lazy);
IrAnalyze *ira = lazy_align_of->ira;
uint32_t abi_align;
if ((err = type_val_resolve_abi_align(ira->codegen, source_node, lazy_align_of->target_type->value,
&abi_align)))
{
return err;
}
*result = (abi_align == 0) ? CmpEQ : CmpGT;
return ErrorNone;
}
case LazyValueIdSizeOf: {
LazyValueSizeOf *lazy_size_of = reinterpret_cast<LazyValueSizeOf *>(val->data.x_lazy);
IrAnalyze *ira = lazy_size_of->ira;