commit dce4a407a24b04eebc6a376f8e62b41aaa7b071f
author Stephen Hines <srhines@google.com> Thu May 29 02:49:00 2014 -0700
committer Stephen Hines <srhines@google.com> Thu May 29 02:49:00 2014 -0700
tree dcebc53f2b182f145a2e659393bf9a0472cedf23
parent 220b921aed042f9e520c26cffd8282a94c66c3d5

Update LLVM for 3.5 rebase (r209712).

Change-Id: I149556c940fb7dc92d075273c87ff584f400941f

lib/CodeGen/AsmPrinter/ARMException.cpp

diff --git a/lib/CodeGen/AsmPrinter/ARMException.cpp b/lib/CodeGen/AsmPrinter/ARMException.cpp
index 403feb4..1cb0159 100644
--- a/lib/CodeGen/AsmPrinter/ARMException.cpp
+++ b/lib/CodeGen/AsmPrinter/ARMException.cpp
@@ -57,10 +57,10 @@
 /// beginFunction - Gather pre-function exception information. Assumes it's
 /// being emitted immediately after the function entry point.
 void ARMException::beginFunction(const MachineFunction *MF) {
-  getTargetStreamer().emitFnStart();
-  if (Asm->MF->getFunction()->needsUnwindTableEntry())
-    Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("eh_func_begin",
-                                                  Asm->getFunctionNumber()));
+  if (Asm->MAI->getExceptionHandlingType() == ExceptionHandling::ARM)
+    getTargetStreamer().emitFnStart();
+  Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("eh_func_begin",
+                                                Asm->getFunctionNumber()));
   // See if we need call frame info.
   AsmPrinter::CFIMoveType MoveType = Asm->needsCFIMoves();
   assert(MoveType != AsmPrinter::CFI_M_EH &&
@@ -77,16 +77,16 @@
   if (shouldEmitCFI)
     Asm->OutStreamer.EmitCFIEndProc();
 
+  // Map all labels and get rid of any dead landing pads.
+  MMI->TidyLandingPads();
+
   ARMTargetStreamer &ATS = getTargetStreamer();
-  if (!Asm->MF->getFunction()->needsUnwindTableEntry())
+  if (!Asm->MF->getFunction()->needsUnwindTableEntry() &&
+      MMI->getLandingPads().empty())
     ATS.emitCantUnwind();
   else {
     Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("eh_func_end",
                                                   Asm->getFunctionNumber()));
-
-    // Map all labels and get rid of any dead landing pads.
-    MMI->TidyLandingPads();
-
     if (!MMI->getLandingPads().empty()) {
       // Emit references to personality.
       if (const Function * Personality =
@@ -104,7 +104,8 @@
     }
   }
 
-  ATS.emitFnEnd();
+  if (Asm->MAI->getExceptionHandlingType() == ExceptionHandling::ARM)
+    ATS.emitFnEnd();
 }
 
 void ARMException::EmitTypeInfos(unsigned TTypeEncoding) {
@@ -144,7 +145,7 @@
         Asm->OutStreamer.AddComment("FilterInfo " + Twine(Entry));
     }
 
-    Asm->EmitTTypeReference((TypeID == 0 ? 0 : TypeInfos[TypeID - 1]),
+    Asm->EmitTTypeReference((TypeID == 0 ? nullptr : TypeInfos[TypeID - 1]),
                             TTypeEncoding);
   }
 }