diff options
| -rw-r--r-- | llvm/lib/IR/AsmWriter.cpp | 10 | ||||
| -rw-r--r-- | llvm/test/ThinLTO/X86/distributed_indexes.ll | 6 |
2 files changed, 14 insertions, 2 deletions
diff --git a/llvm/lib/IR/AsmWriter.cpp b/llvm/lib/IR/AsmWriter.cpp index 736a836b490..9eaa29678e3 100644 --- a/llvm/lib/IR/AsmWriter.cpp +++ b/llvm/lib/IR/AsmWriter.cpp @@ -2788,8 +2788,14 @@ static const char *getSummaryKindName(GlobalValueSummary::SummaryKind SK) { } void AssemblyWriter::printAliasSummary(const AliasSummary *AS) { - Out << ", aliasee: ^" - << Machine.getGUIDSlot(SummaryToGUIDMap[&AS->getAliasee()]); + Out << ", aliasee: "; + // The indexes emitted for distributed backends may not include the + // aliasee summary (only if it is being imported directly). Handle + // that case by just emitting "null" as the aliasee. + if (AS->hasAliasee()) + Out << "^" << Machine.getGUIDSlot(SummaryToGUIDMap[&AS->getAliasee()]); + else + Out << "null"; } void AssemblyWriter::printGlobalVarSummary(const GlobalVarSummary *GS) { diff --git a/llvm/test/ThinLTO/X86/distributed_indexes.ll b/llvm/test/ThinLTO/X86/distributed_indexes.ll index bcde341bbac..371f38f5074 100644 --- a/llvm/test/ThinLTO/X86/distributed_indexes.ll +++ b/llvm/test/ThinLTO/X86/distributed_indexes.ll @@ -40,6 +40,12 @@ ; BACKEND2-NEXT: <COMBINED_ALIAS ; BACKEND2-NEXT: </GLOBALVAL_SUMMARY_BLOCK +; Make sure that when the alias is imported as a copy of the aliasee, but the +; aliasee is not being imported by itself, that we can still print the summary. +; The aliasee should be "null". +; RUN: llvm-dis %t1.bc.thinlto.bc -o - | FileCheck %s --check-prefix=DIS +; DIS: aliasee: null + declare void @g(...) declare void @analias(...) |
