[PATCH] D130856: [NFC][DirectX backend] Fix crash when emit_obj for DirectX backend.

[Xiang Li via Phabricator via llvm-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG20f7f9b709df: [NFC][DirectX backend] Fix crash when emit_obj for DirectX backend. (authored by python3kgae).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D130856/new/

https://reviews.llvm.org/D130856

Files:
  llvm/lib/Target/DirectX/DirectXAsmPrinter.cpp
  llvm/lib/Target/DirectX/DirectXTargetMachine.cpp


Index: llvm/lib/Target/DirectX/DirectXTargetMachine.cpp
===================================================================
--- llvm/lib/Target/DirectX/DirectXTargetMachine.cpp
+++ llvm/lib/Target/DirectX/DirectXTargetMachine.cpp
@@ -67,6 +67,11 @@
   }
 
   FunctionPass *createTargetRegisterAllocator(bool) override { return nullptr; }
+  void addCodeGenPrepare() override {
+    addPass(createDXILOpLoweringLegacyPass());
+    addPass(createDXILPrepareModulePass());
+    addPass(createDXILTranslateMetadataPass());
+  }
 };
 
 DirectXTargetMachine::DirectXTargetMachine(const Target &T, const Triple &TT,
@@ -91,9 +96,9 @@
     PassManagerBase &PM, raw_pwrite_stream &Out, raw_pwrite_stream *DwoOut,
     CodeGenFileType FileType, bool DisableVerify,
     MachineModuleInfoWrapperPass *MMIWP) {
-  PM.add(createDXILOpLoweringLegacyPass());
-  PM.add(createDXILPrepareModulePass());
-  PM.add(createDXILTranslateMetadataPass());
+  TargetPassConfig *PassConfig = createPassConfig(PM);
+  PassConfig->addCodeGenPrepare();
+
   if (TargetPassConfig::willCompleteCodeGenPipeline()) {
     PM.add(createDXILEmbedderPass());
   }
Index: llvm/lib/Target/DirectX/DirectXAsmPrinter.cpp
===================================================================
--- llvm/lib/Target/DirectX/DirectXAsmPrinter.cpp
+++ llvm/lib/Target/DirectX/DirectXAsmPrinter.cpp
@@ -46,6 +46,8 @@
   // Skip the LLVM metadata
   if (GV->getSection() == "llvm.metadata")
     return;
+  if (!GV->hasSection())
+    return;
   SectionKind GVKind = TargetLoweringObjectFile::getKindForGlobal(GV, TM);
   MCSection *TheSection = getObjFileLowering().SectionForGlobal(GV, GVKind, TM);
   OutStreamer->switchSection(TheSection);


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