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Generate DWARF address ranges for faster lookups #66532

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Merged
merged 2 commits into from
Nov 20, 2019
Merged

Generate DWARF address ranges for faster lookups #66532

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a5d624d
Generate DWARF address ranges for faster lookups
cuviper Nov 18, 2019
4c2f1c8
Mark -Zgenerate-arange-section as TRACKED
cuviper Nov 19, 2019
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2 changes: 2 additions & 0 deletions src/librustc/session/config.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1331,6 +1331,8 @@ options! {DebuggingOptions, DebuggingSetter, basic_debugging_options,
"for every macro invocation, print its name and arguments"),
debug_macros: bool = (false, parse_bool, [TRACKED],
"emit line numbers debug info inside macros"),
generate_arange_section: bool = (true, parse_bool, [UNTRACKED],
"generate DWARF address ranges for faster lookups"),
keep_hygiene_data: bool = (false, parse_bool, [UNTRACKED],
"don't clear the hygiene data after analysis"),
keep_ast: bool = (false, parse_bool, [UNTRACKED],
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3 changes: 3 additions & 0 deletions src/librustc_codegen_llvm/llvm_util.rs
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Expand Up @@ -62,6 +62,9 @@ unsafe fn configure_llvm(sess: &Session) {
if sess.opts.debugging_opts.disable_instrumentation_preinliner {
add("-disable-preinline");
}
if sess.opts.debugging_opts.generate_arange_section {
add("-generate-arange-section");
}
if get_major_version() >= 8 {
match sess.opts.debugging_opts.merge_functions
.unwrap_or(sess.target.target.options.merge_functions) {
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