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Revert "[ThinLTO] Prevent exporting of locals used/defined in module level asm"

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This reverts commit r286297.
Introduces a dependency from libAnalysis to libObject, which I missed
during the review.

llvm-svn: 286329
This commit is contained in:
Mehdi Amini
2016-11-09 01:45:13 +00:00
parent 0695e5b916
commit b6a11a7879
9 changed files with 13 additions and 179 deletions
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23
llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
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@@ -3327,16 +3327,11 @@ void ModuleBitcodeWriter::writePerModuleFunctionSummaryRecord(
void ModuleBitcodeWriter::writeModuleLevelReferences(
const GlobalVariable &V, SmallVector<uint64_t, 64> &NameVals,
unsigned FSModRefsAbbrev) {
auto Summaries =
Index->findGlobalValueSummaryList(GlobalValue::getGUID(V.getName()));
if (Summaries == Index->end()) {
// Only declarations should not have a summary (a declaration might however
// have a summary if the def was in module level asm).
assert(V.isDeclaration());
// Only interested in recording variable defs in the summary.
if (V.isDeclaration())
return;
}
auto *Summary = Summaries->second.front().get();
NameVals.push_back(VE.getValueID(&V));
auto *Summary = Index->getGlobalValueSummary(V);
GlobalVarSummary *VS = cast<GlobalVarSummary>(Summary);
NameVals.push_back(getEncodedGVSummaryFlags(VS->flags()));
@@ -3414,20 +3409,14 @@ void ModuleBitcodeWriter::writePerModuleGlobalValueSummary() {
// Iterate over the list of functions instead of the Index to
// ensure the ordering is stable.
for (const Function &F : M) {
if (F.isDeclaration())
continue;
// Summary emission does not support anonymous functions, they have to
// renamed using the anonymous function renaming pass.
if (!F.hasName())
report_fatal_error("Unexpected anonymous function when writing summary");
auto Summaries =
Index->findGlobalValueSummaryList(GlobalValue::getGUID(F.getName()));
if (Summaries == Index->end()) {
// Only declarations should not have a summary (a declaration might
// however have a summary if the def was in module level asm).
assert(F.isDeclaration());
continue;
}
auto *Summary = Summaries->second.front().get();
auto *Summary = Index->getGlobalValueSummary(F);
writePerModuleFunctionSummaryRecord(NameVals, Summary, VE.getValueID(&F),
FSCallsAbbrev, FSCallsProfileAbbrev, F);
}