simplify macro debug info directive handling.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73736 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 114fb96..9d340e3 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -1995,8 +1995,8 @@
   Asm->SwitchToDataSection(TAI->getDwarfARangesSection());
   EmitLabel("section_aranges", 0);
 
-  if (TAI->doesSupportMacInfoSection()) {
-    Asm->SwitchToDataSection(TAI->getDwarfMacInfoSection());
+  if (const char *LineInfoDirective = TAI->getDwarfMacroInfoSection()) {
+    Asm->SwitchToDataSection(LineInfoDirective);
     EmitLabel("section_macinfo", 0);
   }
 
@@ -2542,9 +2542,9 @@
 /// EmitDebugMacInfo - Emit visible names into a debug macinfo section.
 ///
 void DwarfDebug::EmitDebugMacInfo() {
-  if (TAI->doesSupportMacInfoSection()) {
+  if (const char *LineInfoDirective = TAI->getDwarfMacroInfoSection()) {
     // Start the dwarf macinfo section.
-    Asm->SwitchToDataSection(TAI->getDwarfMacInfoSection());
+    Asm->SwitchToDataSection(LineInfoDirective);
     Asm->EOL();
   }
 }