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Fix #2020 transmute from array to #simd code generation

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gingerBill
2022-09-05 16:04:20 +01:00
parent 12687a63f4
commit 91fd9c1ef2
1 changed files with 14 additions and 0 deletions
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src/llvm_backend_utility.cpp
+14
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@@ -225,6 +225,20 @@ lbValue lb_emit_transmute(lbProcedure *p, lbValue value, Type *t) {
if (is_type_simd_vector(src) && is_type_simd_vector(dst)) { if (is_type_simd_vector(src) && is_type_simd_vector(dst)) {
res.value = LLVMBuildBitCast(p->builder, value.value, lb_type(p->module, t), ""); res.value = LLVMBuildBitCast(p->builder, value.value, lb_type(p->module, t), "");
return res; return res;
} else if (is_type_array_like(src) && is_type_simd_vector(dst)) {
unsigned align = cast(unsigned)gb_max(type_align_of(src), type_align_of(dst));
lbValue ptr = lb_address_from_load_or_generate_local(p, value);
if (lb_try_update_alignment(ptr, align)) {
LLVMTypeRef result_type = lb_type(p->module, t);
res.value = LLVMBuildPointerCast(p->builder, ptr.value, LLVMPointerType(result_type, 0), "");
res.value = LLVMBuildLoad2(p->builder, result_type, res.value, "");
return res;
}
lbAddr addr = lb_add_local_generated(p, t, false);
lbValue ap = lb_addr_get_ptr(p, addr);
ap = lb_emit_conv(p, ap, alloc_type_pointer(value.type));
lb_emit_store(p, ap, value);
return lb_addr_load(p, addr);
} }
if (lb_is_type_aggregate(src) || lb_is_type_aggregate(dst)) { if (lb_is_type_aggregate(src) || lb_is_type_aggregate(dst)) {