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Use temporary directory for intermediate .ll files #6356

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Use temporary directory for intermediate .ll files #6356

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31 changes: 23 additions & 8 deletions src/llvm_backend.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2655,11 +2655,20 @@ gb_internal void lb_llvm_module_passes_and_verification(lbGenerator *gen, bool d
}

gb_internal String lb_filepath_ll_for_module(lbModule *m) {
String path = concatenate3_strings(permanent_allocator(),
build_context.build_paths[BuildPath_Output].basename,
STR_LIT("/"),
build_context.build_paths[BuildPath_Output].name
);
String basename = build_context.build_paths[BuildPath_Output].basename;
String name = build_context.build_paths[BuildPath_Output].name;

bool use_temporary_directory = false;
if (USE_SEPARATE_MODULES && build_context.build_mode == BuildMode_Executable) {
String dir = temporary_directory(permanent_allocator());
if (dir.len != 0) {
basename = dir;
use_temporary_directory = true;
}
}

gbString path = gb_string_make_length(heap_allocator(), basename.text, basename.len);
path = gb_string_appendc(path, "/");

GB_ASSERT(m->module_name != nullptr);
String s = make_string_c(m->module_name);
Expand All @@ -2669,10 +2678,16 @@ gb_internal String lb_filepath_ll_for_module(lbModule *m) {
s.len -= prefix.len;
}

path = concatenate_strings(permanent_allocator(), path, s);
path = concatenate_strings(permanent_allocator(), s, STR_LIT(".ll"));
path = gb_string_append_length(path, s.text, s.len);

if (use_temporary_directory) {
// NOTE(bill): this must be suffixed to ensure it is not conflicting with anything else in the temporary directory
path = gb_string_append_fmt(path, "-%p", m);
}

path = gb_string_appendc(path, ".ll");

return path;
return make_string(cast(u8 *)path, gb_string_length(path));
}

gb_internal String lb_filepath_obj_for_module(lbModule *m) {
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