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Fix #1328

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gingerBill
2021-11-23 11:43:32 +00:00
parent 2e89585c8c
commit 9246e89c4a
2 changed files with 10 additions and 13 deletions
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src/llvm_backend_utility.cpp
+5 -13
View File
@@ -179,32 +179,24 @@ lbValue lb_emit_transmute(lbProcedure *p, lbValue value, Type *t) {
GB_ASSERT_MSG(sz == dz, "Invalid transmute conversion: '%s' to '%s'", type_to_string(src_type), type_to_string(t)); GB_ASSERT_MSG(sz == dz, "Invalid transmute conversion: '%s' to '%s'", type_to_string(src_type), type_to_string(t));
// NOTE(bill): Casting between an integer and a pointer cannot be done through a bitcast // NOTE(bill): Casting between an integer and a pointer cannot be done through a bitcast
if (is_type_uintptr(src) && is_type_pointer(dst)) { if (is_type_uintptr(src) && is_type_internally_pointer_like(dst)) {
res.value = LLVMBuildIntToPtr(p->builder, value.value, lb_type(m, t), ""); res.value = LLVMBuildIntToPtr(p->builder, value.value, lb_type(m, t), "");
return res; return res;
} }
if (is_type_pointer(src) && is_type_uintptr(dst)) { if (is_type_internally_pointer_like(src) && is_type_uintptr(dst)) {
res.value = LLVMBuildPtrToInt(p->builder, value.value, lb_type(m, t), "");
return res;
}
if (is_type_uintptr(src) && is_type_proc(dst)) {
res.value = LLVMBuildIntToPtr(p->builder, value.value, lb_type(m, t), "");
return res;
}
if (is_type_proc(src) && is_type_uintptr(dst)) {
res.value = LLVMBuildPtrToInt(p->builder, value.value, lb_type(m, t), ""); res.value = LLVMBuildPtrToInt(p->builder, value.value, lb_type(m, t), "");
return res; return res;
} }
if (is_type_integer(src) && (is_type_pointer(dst) || is_type_cstring(dst))) { if (is_type_integer(src) && is_type_internally_pointer_like(dst)) {
res.value = LLVMBuildIntToPtr(p->builder, value.value, lb_type(m, t), ""); res.value = LLVMBuildIntToPtr(p->builder, value.value, lb_type(m, t), "");
return res; return res;
} else if ((is_type_pointer(src) || is_type_cstring(src)) && is_type_integer(dst)) { } else if (is_type_internally_pointer_like(src) && is_type_integer(dst)) {
res.value = LLVMBuildPtrToInt(p->builder, value.value, lb_type(m, t), ""); res.value = LLVMBuildPtrToInt(p->builder, value.value, lb_type(m, t), "");
return res; return res;
} }
if (is_type_pointer(src) && is_type_pointer(dst)) { if (is_type_internally_pointer_like(src) && is_type_internally_pointer_like(dst)) {
res.value = LLVMBuildPointerCast(p->builder, value.value, lb_type(p->module, t), ""); res.value = LLVMBuildPointerCast(p->builder, value.value, lb_type(p->module, t), "");
return res; return res;
} }
src/types.cpp
+5
View File
@@ -697,6 +697,7 @@ Type * bit_set_to_int(Type *t);
bool are_types_identical(Type *x, Type *y); bool are_types_identical(Type *x, Type *y);
bool is_type_pointer(Type *t); bool is_type_pointer(Type *t);
bool is_type_proc(Type *t);
bool is_type_slice(Type *t); bool is_type_slice(Type *t);
bool is_type_integer(Type *t); bool is_type_integer(Type *t);
bool type_set_offsets(Type *t); bool type_set_offsets(Type *t);
@@ -1284,6 +1285,10 @@ bool is_type_multi_pointer(Type *t) {
t = base_type(t); t = base_type(t);
return t->kind == Type_MultiPointer; return t->kind == Type_MultiPointer;
} }
bool is_type_internally_pointer_like(Type *t) {
return is_type_pointer(t) || is_type_multi_pointer(t) || is_type_cstring(t) || is_type_proc(t);
}
bool is_type_tuple(Type *t) { bool is_type_tuple(Type *t) {
t = base_type(t); t = base_type(t);
return t->kind == Type_Tuple; return t->kind == Type_Tuple;