List all exception types in a switch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130944 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 8116f8d5925f457fc027d2ba8f12b20ecaa6c207..63bfa2f258f910693226c25d9c5794ea01a8ca13 100644 (file)
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -189,21 +189,22 @@ bool AsmPrinter::doInitialization(Module &M) {
   if (MAI->doesSupportDebugInformation())
     DD = new DwarfDebug(this, &M);
 
-  if (MAI->doesSupportExceptionHandling())
-    switch (MAI->getExceptionHandlingType()) {
-    default:
-    case ExceptionHandling::DwarfTable:
-      DE = new DwarfTableException(this);
-      break;
-    case ExceptionHandling::DwarfCFI:
-      DE = new DwarfCFIException(this);
-      break;
-    case ExceptionHandling::ARM:
-      DE = new ARMException(this);
-      break;
-    }
+  switch (MAI->getExceptionHandlingType()) {
+  case ExceptionHandling::None:
+    return false;
+  case ExceptionHandling::SjLj:
+  case ExceptionHandling::DwarfTable:
+    DE = new DwarfTableException(this);
+    return false;
+  case ExceptionHandling::DwarfCFI:
+    DE = new DwarfCFIException(this);
+    return false;
+  case ExceptionHandling::ARM:
+    DE = new ARMException(this);
+    return false;
+  }
 
-  return false;
+  llvm_unreachable("Unknown exception type.");
 }
 
 void AsmPrinter::EmitLinkage(unsigned Linkage, MCSymbol *GVSym) const {