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Simplify "" string code

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This commit is contained in:
gingerBill
2020-09-11 16:18:24 +01:00
parent 77829af9de
commit d317d3d8b3
1 changed files with 11 additions and 12 deletions
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src/llvm_backend.cpp
+11 -12
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@@ -4558,10 +4558,6 @@ lbValue lb_emit_clamp(lbProcedure *p, Type *t, lbValue x, lbValue min, lbValue m
LLVMValueRef lb_find_or_add_entity_string_ptr(lbModule *m, String const &str) {
if (str.len == 0) {
return LLVMConstNull(lb_type(m, t_u8_ptr));
}
StringHashKey key = string_hash_string(str);
LLVMValueRef *found = string_map_get(&m->const_strings, key);
if (found != nullptr) {
@@ -4591,10 +4587,12 @@ LLVMValueRef lb_find_or_add_entity_string_ptr(lbModule *m, String const &str) {
}
lbValue lb_find_or_add_entity_string(lbModule *m, String const &str) {
if (str.len == 0) {
return lb_zero(m, t_string);
LLVMValueRef ptr = nullptr;
if (str.len != 0) {
ptr = lb_find_or_add_entity_string_ptr(m, str);
} else {
ptr = LLVMConstNull(lb_type(m, t_u8_ptr));
}
LLVMValueRef ptr = lb_find_or_add_entity_string_ptr(m, str);
LLVMValueRef str_len = LLVMConstInt(lb_type(m, t_int), str.len, true);
LLVMValueRef values[2] = {ptr, str_len};
@@ -4605,10 +4603,6 @@ lbValue lb_find_or_add_entity_string(lbModule *m, String const &str) {
}
lbValue lb_find_or_add_entity_string_byte_slice(lbModule *m, String const &str) {
if (str.len == 0) {
return lb_zero(m, t_u8_slice);
}
LLVMValueRef indices[2] = {llvm_zero(m), llvm_zero(m)};
LLVMValueRef data = LLVMConstStringInContext(m->ctx,
cast(char const *)str.text,
@@ -4628,7 +4622,12 @@ lbValue lb_find_or_add_entity_string_byte_slice(lbModule *m, String const &str)
LLVMSetInitializer(global_data, data);
LLVMSetLinkage(global_data, LLVMInternalLinkage);
LLVMValueRef ptr = LLVMConstInBoundsGEP(global_data, indices, 2);
LLVMValueRef ptr = nullptr;
if (str.len != 0) {
ptr = LLVMConstInBoundsGEP(global_data, indices, 2);
} else {
ptr = LLVMConstNull(lb_type(m, t_u8_ptr));
}
LLVMValueRef len = LLVMConstInt(lb_type(m, t_int), str.len, true);
LLVMValueRef values[2] = {ptr, len};