Object: Add IRObjectFile::getTargetTriple().

This lets us remove a use of IRObjectFile::getModule() in llvm-nm.

Differential Revision: https://reviews.llvm.org/D27074

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@287846 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 6 insertions, 8 deletions

diff --git a/include/llvm/Object/IRObjectFile.h b/include/llvm/Object/IRObjectFile.h
index 5126ea10da7..9acc286a6a0 100644
--- a/include/llvm/Object/IRObjectFile.h
+++ b/include/llvm/Object/IRObjectFile.h
@@ -60,6 +60,8 @@ public:
   }
   std::unique_ptr<Module> takeModule();
 
+  StringRef getTargetTriple() const;
+
   static inline bool classof(const Binary *v) {
     return v->isIR();
   }
diff --git a/lib/Object/IRObjectFile.cpp b/lib/Object/IRObjectFile.cpp
index 4fd5e64fb7c..51b2446535b 100644
--- a/lib/Object/IRObjectFile.cpp
+++ b/lib/Object/IRObjectFile.cpp
@@ -213,6 +213,8 @@ basic_symbol_iterator IRObjectFile::symbol_end() const {
   return basic_symbol_iterator(BasicSymbolRef(Ret, this));
 }
 
+StringRef IRObjectFile::getTargetTriple() const { return M->getTargetTriple(); }
+
 ErrorOr<MemoryBufferRef> IRObjectFile::findBitcodeInObject(const ObjectFile &Obj) {
   for (const SectionRef &Sec : Obj.sections()) {
     if (Sec.isBitcode()) {
diff --git a/tools/llvm-nm/llvm-nm.cpp b/tools/llvm-nm/llvm-nm.cpp
index 8c6fa4ecec7..436cf9cac68 100644
--- a/tools/llvm-nm/llvm-nm.cpp
+++ b/tools/llvm-nm/llvm-nm.cpp
@@ -265,14 +265,8 @@ static bool compareSymbolName(const NMSymbol &A, const NMSymbol &B) {
 }
 
 static char isSymbolList64Bit(SymbolicFile &Obj) {
-  if (isa<IRObjectFile>(Obj)) {
-    IRObjectFile *IRobj = dyn_cast<IRObjectFile>(&Obj);
-    Module &M = IRobj->getModule();
-    if (M.getTargetTriple().empty())
-      return false;
-    Triple T(M.getTargetTriple());
-    return T.isArch64Bit();
-  }
+  if (auto *IRObj = dyn_cast<IRObjectFile>(&Obj))
+    return Triple(IRObj->getTargetTriple()).isArch64Bit();
   if (isa<COFFObjectFile>(Obj))
     return false;
   if (MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(&Obj))