1 files changed, 29 insertions, 2 deletions
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp b/llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp
index 5578251bcfc..bad5670010a 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp
@@ -298,10 +298,37 @@ void AMDGPUAsmPrinter::EmitBasicBlockStart(const MachineBasicBlock &MBB) const {
 }
 
 void AMDGPUAsmPrinter::EmitGlobalVariable(const GlobalVariable *GV) {
+  if (GV->getAddressSpace() == AMDGPUAS::LOCAL_ADDRESS) {
+    if (GV->hasInitializer() && !isa<UndefValue>(GV->getInitializer())) {
+      OutContext.reportError({},
+                             Twine(GV->getName()) +
+                                 ": unsupported initializer for address space");
+      return;
+    }
+
+    // LDS variables aren't emitted in HSA or PAL yet.
+    const Triple::OSType OS = TM.getTargetTriple().getOS();
+    if (OS == Triple::AMDHSA || OS == Triple::AMDPAL)
+      return;
+
+    MCSymbol *GVSym = getSymbol(GV);
 
-  // Group segment variables aren't emitted in HSA.
-  if (AMDGPU::isGroupSegment(GV))
+    GVSym->redefineIfPossible();
+    if (GVSym->isDefined() || GVSym->isVariable())
+      report_fatal_error("symbol '" + Twine(GVSym->getName()) +
+                         "' is already defined");
+
+    const DataLayout &DL = GV->getParent()->getDataLayout();
+    uint64_t Size = DL.getTypeAllocSize(GV->getValueType());
+    unsigned Align = GV->getAlignment();
+    if (!Align)
+      Align = 4;
+
+    EmitVisibility(GVSym, GV->getVisibility(), !GV->isDeclaration());
+    EmitLinkage(GV, GVSym);
+    getTargetStreamer()->emitAMDGPULDS(GVSym, Size, Align);
     return;
+  }
 
   AsmPrinter::EmitGlobalVariable(GV);
 }