diff options
| -rw-r--r-- | llvm/lib/Transforms/IPO/ThinLTOBitcodeWriter.cpp | 14 | ||||
| -rw-r--r-- | llvm/test/Transforms/ThinLTOBitcodeWriter/filter-alias.ll | 2 |
2 files changed, 13 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/IPO/ThinLTOBitcodeWriter.cpp b/llvm/lib/Transforms/IPO/ThinLTOBitcodeWriter.cpp index 7d6d538bc11..4138606bf0f 100644 --- a/llvm/lib/Transforms/IPO/ThinLTOBitcodeWriter.cpp +++ b/llvm/lib/Transforms/IPO/ThinLTOBitcodeWriter.cpp @@ -40,9 +40,17 @@ void promoteInternals(Module &ExportM, Module &ImportM, StringRef ModuleId, continue; auto Name = ExportGV.getName(); - GlobalValue *ImportGV = ImportM.getNamedValue(Name); - if ((!ImportGV || ImportGV->use_empty()) && !PromoteExtra.count(&ExportGV)) - continue; + GlobalValue *ImportGV = nullptr; + if (!PromoteExtra.count(&ExportGV)) { + ImportGV = ImportM.getNamedValue(Name); + if (!ImportGV) + continue; + ImportGV->removeDeadConstantUsers(); + if (ImportGV->use_empty()) { + ImportGV->eraseFromParent(); + continue; + } + } std::string NewName = (Name + ModuleId).str(); diff --git a/llvm/test/Transforms/ThinLTOBitcodeWriter/filter-alias.ll b/llvm/test/Transforms/ThinLTOBitcodeWriter/filter-alias.ll index 48f2900da36..eb0cbe78a73 100644 --- a/llvm/test/Transforms/ThinLTOBitcodeWriter/filter-alias.ll +++ b/llvm/test/Transforms/ThinLTOBitcodeWriter/filter-alias.ll @@ -1,7 +1,9 @@ ; RUN: opt -thinlto-bc -o %t %s ; RUN: llvm-modextract -n 0 -o - %t | llvm-dis | FileCheck --check-prefix=CHECK0 %s ; RUN: llvm-modextract -n 1 -o - %t | llvm-dis | FileCheck --check-prefix=CHECK1 %s +; CHECK0-NOT: @{{.*}}anon{{.*}}= ; CHECK0: @al = external global i8* +; CHECK0-NOT: @{{.*}}anon{{.*}}= ; CHECK1: @al = unnamed_addr alias i8*, target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" |
