X-Git-Url: https://git.ti.com/gitweb?p=opencl%2Fllvm.git;a=blobdiff_plain;f=lib%2FCodeGen%2FAsmPrinter%2FAsmPrinterDwarf.cpp;h=e02b05c5fbd48f1e01ada46c1be68e4493be4561;hp=b13f394b4c0786f541ea7a0ccee1c6a84fb80142;hb=db48bda4a1676b7bcb9051be75c3b87aab30651e;hpb=e733e5461f53c203fc985057f501d54b80f887af

diff --git a/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp b/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
index b13f394b4c..e02b05c5fb 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
@@ -244,7 +244,10 @@ void AsmPrinter::EmitDwarfRegOp(ByteStreamer &Streamer,
                          "nop (could not find a dwarf register number)");
 
     // Attempt to find a valid super- or sub-register.
-    return Expr.AddMachineRegPiece(MLoc.getReg());
+    if (!Expr.AddMachineRegPiece(MLoc.getReg()))
+      Expr.EmitOp(dwarf::DW_OP_nop,
+                  "nop (could not find a dwarf register number)");
+    return;
   }
 
   if (MLoc.isIndirect())