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panic on transpose with result type in diff layout

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Partially reverts 4db4841, it should behave the same as cast (which does
an implicit transpose).
This commit is contained in:
Laytan Laats
2025-11-29 20:06:43 +01:00
parent 5db9afd73b
commit 679d306d0f
1 changed files with 5 additions and 0 deletions
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5
src/llvm_backend_expr.cpp
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@@ -664,6 +664,11 @@ gb_internal lbValue lb_emit_matrix_transpose(lbProcedure *p, lbValue m, Type *ty
Type *mt = base_type(m.type);
GB_ASSERT(mt->kind == Type_Matrix);
Type *rt = base_type(type);
if (rt->kind == Type_Matrix && rt->Matrix.is_row_major != mt->Matrix.is_row_major) {
GB_PANIC("TODO: transpose with changing layout");
}
if (lb_is_matrix_simdable(mt) && lb_is_matrix_simdable(type)) {
unsigned stride = cast(unsigned)matrix_type_stride_in_elems(mt);
unsigned row_count = cast(unsigned)mt->Matrix.row_count;