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Revert "Minor improvement to multi return value reducing stack usage"

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gingerBill
2022-11-13 23:56:05 +00:00
parent 81f83d5780
commit 25bec19b1f
6 changed files with 20 additions and 91 deletions
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24
src/llvm_backend_general.cpp
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@@ -936,27 +936,23 @@ void lb_emit_store(lbProcedure *p, lbValue ptr, lbValue value) {
LLVMValueRef src_ptr_original = LLVMGetOperand(value.value, 0);
LLVMValueRef src_ptr = LLVMBuildPointerCast(p->builder, src_ptr_original, LLVMTypeOf(dst_ptr), "");
if (dst_ptr != src_ptr && dst_ptr != src_ptr_original) {
LLVMBuildMemMove(p->builder,
dst_ptr, lb_try_get_alignment(dst_ptr, 1),
src_ptr, lb_try_get_alignment(src_ptr_original, 1),
LLVMConstInt(LLVMInt64TypeInContext(p->module->ctx), lb_sizeof(LLVMTypeOf(value.value)), false));
}
LLVMBuildMemMove(p->builder,
dst_ptr, lb_try_get_alignment(dst_ptr, 1),
src_ptr, lb_try_get_alignment(src_ptr_original, 1),
LLVMConstInt(LLVMInt64TypeInContext(p->module->ctx), lb_sizeof(LLVMTypeOf(value.value)), false));
return;
} else if (LLVMIsConstant(value.value)) {
lbAddr addr = lb_add_global_generated(p->module, value.type, value, nullptr);
lb_make_global_private_const(addr);
LLVMValueRef dst_ptr = ptr.value;
LLVMValueRef src_ptr_original = addr.addr.value;
LLVMValueRef src_ptr = LLVMBuildPointerCast(p->builder, src_ptr_original, LLVMTypeOf(dst_ptr), "");
LLVMValueRef src_ptr = addr.addr.value;
src_ptr = LLVMBuildPointerCast(p->builder, src_ptr, LLVMTypeOf(dst_ptr), "");
if (dst_ptr != src_ptr && dst_ptr != src_ptr_original) {
LLVMBuildMemMove(p->builder,
dst_ptr, lb_try_get_alignment(dst_ptr, 1),
src_ptr, lb_try_get_alignment(src_ptr, 1),
LLVMConstInt(LLVMInt64TypeInContext(p->module->ctx), lb_sizeof(LLVMTypeOf(value.value)), false));
}
LLVMBuildMemMove(p->builder,
dst_ptr, lb_try_get_alignment(dst_ptr, 1),
src_ptr, lb_try_get_alignment(src_ptr, 1),
LLVMConstInt(LLVMInt64TypeInContext(p->module->ctx), lb_sizeof(LLVMTypeOf(value.value)), false));
return;
}
}