[X86][Haswell][SchedModel] Add architecture specific scheduling models.

[oota-llvm.git] / lib / CodeGen / AsmPrinter / DwarfCFIException.cpp

diff --git a/lib/CodeGen/AsmPrinter/DwarfCFIException.cpp b/lib/CodeGen/AsmPrinter/DwarfCFIException.cpp
index e2d95272c2c533751f582123640772e9b00bd3c9..74215aa695ddbf487f872cc3ae7a621502985539 100644 (file)
--- a/lib/CodeGen/AsmPrinter/DwarfCFIException.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfCFIException.cpp
@@ -62,22 +62,12 @@ void DwarfCFIException::endModule() {
     return;
 
   // Emit references to all used personality functions
-  bool AtLeastOne = false;
   const std::vector<const Function*> &Personalities = MMI->getPersonalities();
   for (size_t i = 0, e = Personalities.size(); i != e; ++i) {
     if (!Personalities[i])
       continue;
     MCSymbol *Sym = Asm->getSymbol(Personalities[i]);
     TLOF.emitPersonalityValue(Asm->OutStreamer, Asm->TM, Sym);
-    AtLeastOne = true;
-  }
-
-  if (AtLeastOne && !TLOF.isFunctionEHFrameSymbolPrivate()) {
-    // This is a temporary hack to keep sections in the same order they
-    // were before. This lets us produce bit identical outputs while
-    // transitioning to CFI.
-    Asm->OutStreamer.SwitchSection(
-               const_cast<TargetLoweringObjectFile&>(TLOF).getEHFrameSection());
   }
 }
 
@@ -122,9 +112,17 @@ void DwarfCFIException::beginFunction(const MachineFunction *MF) {
       TLOF.getCFIPersonalitySymbol(Per, *Asm->Mang, Asm->TM, MMI);
   Asm->OutStreamer.EmitCFIPersonality(Sym, PerEncoding);
 
-  Asm->OutStreamer.EmitDebugLabel
-    (Asm->GetTempSymbol("eh_func_begin",
-                        Asm->getFunctionNumber()));
+  MCSymbol *EHBegin =
+      Asm->GetTempSymbol("eh_func_begin", Asm->getFunctionNumber());
+  if (Asm->MAI->useAssignmentForEHBegin()) {
+    MCContext &Ctx = Asm->OutContext;
+    MCSymbol *CurPos = Ctx.CreateTempSymbol();
+    Asm->OutStreamer.EmitLabel(CurPos);
+    Asm->OutStreamer.EmitAssignment(EHBegin,
+                                    MCSymbolRefExpr::Create(CurPos, Ctx));
+  } else {
+    Asm->OutStreamer.EmitLabel(EHBegin);
+  }
 
   // Provide LSDA information.
   if (!shouldEmitLSDA)