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[LLD] Do not combine cg_profile from obj and ordering file #121325

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Merged
merged 3 commits into from
Jan 5, 2025
Merged

[LLD] Do not combine cg_profile from obj and ordering file #121325

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d66829a
[LLD] Track cg_profile from combination of obj and ordering file
HaohaiWen Dec 30, 2024
9591f5a
[LLD] Do not combine cg_profile from obj and ordering file
HaohaiWen Dec 30, 2024
a306c3d
Merge branch 'main' into lld
HaohaiWen Jan 5, 2025
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6 changes: 3 additions & 3 deletions lld/COFF/Driver.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2878,10 +2878,10 @@ void LinkerDriver::linkerMain(ArrayRef<const char *> argsArr) {
// Handle /call-graph-ordering-file and /call-graph-profile-sort (default on).
if (config->callGraphProfileSort) {
llvm::TimeTraceScope timeScope("Call graph");
if (auto *arg = args.getLastArg(OPT_call_graph_ordering_file)) {
if (auto *arg = args.getLastArg(OPT_call_graph_ordering_file))
parseCallGraphFile(arg->getValue());
}
readCallGraphsFromObjectFiles(ctx);
else
readCallGraphsFromObjectFiles(ctx);
}

// Handle /print-symbol-order.
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5 changes: 3 additions & 2 deletions lld/ELF/Driver.cpp
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Expand Up @@ -3215,11 +3215,12 @@ template <class ELFT> void LinkerDriver::link(opt::InputArgList &args) {

// Read the callgraph now that we know what was gced or icfed
if (ctx.arg.callGraphProfileSort != CGProfileSortKind::None) {
if (auto *arg = args.getLastArg(OPT_call_graph_ordering_file))
if (auto *arg = args.getLastArg(OPT_call_graph_ordering_file)) {
if (std::optional<MemoryBufferRef> buffer =
readFile(ctx, arg->getValue()))
readCallGraph(ctx, *buffer);
readCallGraphsFromObjectFiles<ELFT>(ctx);
} else
readCallGraphsFromObjectFiles<ELFT>(ctx);
}

// Write the result to the file.
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8 changes: 4 additions & 4 deletions lld/test/COFF/cgprofile-obj.s
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Expand Up @@ -46,7 +46,7 @@ Aa:
# NO-CG: 140001002 T B
# NO-CG: 140001003 T A

# CG-OBJ-OF: 140001000 T C
# CG-OBJ-OF: 140001001 t D
# CG-OBJ-OF: 140001002 T A
# CG-OBJ-OF: 140001003 T B
# CG-OBJ-OF: 140001000 t D
# CG-OBJ-OF: 140001001 T A
# CG-OBJ-OF: 140001004 T C
# CG-OBJ-OF: 140001005 T B
8 changes: 4 additions & 4 deletions lld/test/ELF/cgprofile-obj.s
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Expand Up @@ -49,7 +49,7 @@ Aa:
# NO-CG: 0000000000201122 T B
# NO-CG: 0000000000201123 T A

# CG-OBJ-OF: 0000000000201121 t D
# CG-OBJ-OF: 0000000000201120 T C
# CG-OBJ-OF: 0000000000201123 T B
# CG-OBJ-OF: 0000000000201122 T A
# CG-OBJ-OF: 0000000000201120 t D
# CG-OBJ-OF: 0000000000201124 T C
# CG-OBJ-OF: 0000000000201125 T B
# CG-OBJ-OF: 0000000000201121 T A
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