[llvm-commits] [llvm] r81454 - /llvm/trunk/lib/CodeGen/AsmPrinter/DwarfException.cpp

[Bill Wendling]

Author: void
Date: Thu Sep 10 13:28:06 2009
New Revision: 81454

URL: http://llvm.org/viewvc/llvm-project?rev=81454&view=rev
Log:
Exit early if exception handling isn't supported.

Modified:
    llvm/trunk/lib/CodeGen/AsmPrinter/DwarfException.cpp

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfException.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfException.cpp?rev=81454&r1=81453&r2=81454&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfException.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfException.cpp Thu Sep 10 13:28:06 2009
@@ -918,28 +918,28 @@
 /// BeginFunction - Gather pre-function exception information. Assumes it's
 /// being emitted immediately after the function entry point.
 void DwarfException::BeginFunction(MachineFunction *MF) {
+  if (!MMI || !MAI->doesSupportExceptionHandling()) return;
+
   if (TimePassesIsEnabled)
     ExceptionTimer->startTimer();
 
   this->MF = MF;
   shouldEmitTable = shouldEmitMoves = false;
 
-  if (MMI && MAI->doesSupportExceptionHandling()) {
-    // Map all labels and get rid of any dead landing pads.
-    MMI->TidyLandingPads();
-
-    // If any landing pads survive, we need an EH table.
-    if (!MMI->getLandingPads().empty())
-      shouldEmitTable = true;
-
-    // See if we need frame move info.
-    if (!MF->getFunction()->doesNotThrow() || UnwindTablesMandatory)
-      shouldEmitMoves = true;
-
-    if (shouldEmitMoves || shouldEmitTable)
-      // Assumes in correct section after the entry point.
-      EmitLabel("eh_func_begin", ++SubprogramCount);
-  }
+  // Map all labels and get rid of any dead landing pads.
+  MMI->TidyLandingPads();
+
+  // If any landing pads survive, we need an EH table.
+  if (!MMI->getLandingPads().empty())
+    shouldEmitTable = true;
+
+  // See if we need frame move info.
+  if (!MF->getFunction()->doesNotThrow() || UnwindTablesMandatory)
+    shouldEmitMoves = true;
+
+  if (shouldEmitMoves || shouldEmitTable)
+    // Assumes in correct section after the entry point.
+    EmitLabel("eh_func_begin", ++SubprogramCount);
 
   shouldEmitTableModule |= shouldEmitTable;
   shouldEmitMovesModule |= shouldEmitMoves;