[AArch64] Remove redundant -march option. Also fix a think-o from r234462.

[oota-llvm.git] / lib / Target / AArch64 / AArch64MCInstLower.cpp

diff --git a/lib/Target/AArch64/AArch64MCInstLower.cpp b/lib/Target/AArch64/AArch64MCInstLower.cpp
index 75a17b9dc999f2077f47f8d5965c75608bd777f5..b82934134d91c6979308aa45adca7e8c58a58bea 100644 (file)
--- a/lib/Target/AArch64/AArch64MCInstLower.cpp
+++ b/lib/Target/AArch64/AArch64MCInstLower.cpp
@@ -22,11 +22,13 @@
 #include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCInst.h"
 #include "llvm/Support/CodeGen.h"
+#include "llvm/Support/CommandLine.h"
 #include "llvm/Target/TargetMachine.h"
 using namespace llvm;
 
-AArch64MCInstLower::AArch64MCInstLower(MCContext &ctx, Mangler &mang,
-                                       AsmPrinter &printer)
+extern cl::opt<bool> EnableAArch64ELFLocalDynamicTLSGeneration;
+
+AArch64MCInstLower::AArch64MCInstLower(MCContext &ctx, AsmPrinter &printer)
     : Ctx(ctx), Printer(printer), TargetTriple(printer.getTargetTriple()) {}
 
 MCSymbol *
@@ -85,10 +87,16 @@ MCOperand AArch64MCInstLower::lowerSymbolOperandELF(const MachineOperand &MO,
     if (MO.isGlobal()) {
       const GlobalValue *GV = MO.getGlobal();
       Model = Printer.TM.getTLSModel(GV);
+      if (!EnableAArch64ELFLocalDynamicTLSGeneration &&
+          Model == TLSModel::LocalDynamic)
+        Model = TLSModel::GeneralDynamic;
+
     } else {
       assert(MO.isSymbol() &&
              StringRef(MO.getSymbolName()) == "_TLS_MODULE_BASE_" &&
              "unexpected external TLS symbol");
+      // The general dynamic access sequence is used to get the
+      // address of _TLS_MODULE_BASE_.
       Model = TLSModel::GeneralDynamic;
     }
     switch (Model) {
@@ -124,6 +132,8 @@ MCOperand AArch64MCInstLower::lowerSymbolOperandELF(const MachineOperand &MO,
     RefFlags |= AArch64MCExpr::VK_G1;
   else if ((MO.getTargetFlags() & AArch64II::MO_FRAGMENT) == AArch64II::MO_G0)
     RefFlags |= AArch64MCExpr::VK_G0;
+  else if ((MO.getTargetFlags() & AArch64II::MO_FRAGMENT) == AArch64II::MO_HI12)
+    RefFlags |= AArch64MCExpr::VK_HI12;
 
   if (MO.getTargetFlags() & AArch64II::MO_NC)
     RefFlags |= AArch64MCExpr::VK_NC;