Exit early if exception handling isn't supported.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81454 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfException.cpp b/lib/CodeGen/AsmPrinter/DwarfException.cpp
index e744ea6..954092a 100644
--- a/lib/CodeGen/AsmPrinter/DwarfException.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfException.cpp
@@ -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();
+ // 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;
+ // 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;
+ // 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);
- }
+ if (shouldEmitMoves || shouldEmitTable)
+ // Assumes in correct section after the entry point.
+ EmitLabel("eh_func_begin", ++SubprogramCount);
shouldEmitTableModule |= shouldEmitTable;
shouldEmitMovesModule |= shouldEmitMoves;