don't emit a 1-byte object as a .fill. This is silly and causes

CodeGen/X86/global-sections.ll to fail with CDArray

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149343 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 1e55de4494cfeb84953e5a2c62edece5bef83296..4c093665c8c7433eb7d226760690316158508b1d 100644 (file)
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -1615,7 +1615,9 @@ static void EmitGlobalConstantDataSequential(const ConstantDataSequential *CDS,
   int Value = isRepeatedByteSequence(CDS, AP.TM);
   if (Value != -1) {
     uint64_t Bytes = AP.TM.getTargetData()->getTypeAllocSize(CDS->getType());
-    return AP.OutStreamer.EmitFill(Bytes, Value, AddrSpace);
+    // Don't emit a 1-byte object as a .fill.
+    if (Bytes > 1)
+      return AP.OutStreamer.EmitFill(Bytes, Value, AddrSpace);
   }
   
   // If this can be emitted with .ascii/.asciz, emit it as such.