Revert r354606, it breaks asan tests

llvm-svn: 354609

1 files changed, 0 insertions, 32 deletions

diff --git a/llvm/lib/Target/Hexagon/HexagonInstrInfo.cpp b/llvm/lib/Target/Hexagon/HexagonInstrInfo.cpp
index 68e4adec081..b0b029682bf 100644
--- a/llvm/lib/Target/Hexagon/HexagonInstrInfo.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonInstrInfo.cpp
@@ -1313,38 +1313,6 @@ bool HexagonInstrInfo::expandPostRAPseudo(MachineInstr &MI) const {
       return true;
     }
 
-    case Hexagon::PS_crash: {
-      // Generate a misaligned load that is guaranteed to cause a crash.
-      class CrashPseudoSourceValue : public PseudoSourceValue {
-      public:
-        CrashPseudoSourceValue(const TargetInstrInfo &TII)
-          : PseudoSourceValue(TargetCustom, TII) {}
-
-        bool isConstant(const MachineFrameInfo *) const override {
-          return false;
-        }
-        bool isAliased(const MachineFrameInfo *) const override {
-          return false;
-        }
-        bool mayAlias(const MachineFrameInfo *) const override {
-          return false;
-        }
-        void printCustom(raw_ostream &OS) const override {
-          OS << "MisalignedCrash";
-        }
-      };
-
-      static const CrashPseudoSourceValue CrashPSV(*this);
-      MachineMemOperand *MMO = MF.getMachineMemOperand(
-          MachinePointerInfo(&CrashPSV),
-          MachineMemOperand::MOLoad | MachineMemOperand::MOVolatile, 8, 1);
-      BuildMI(MBB, MI, DL, get(Hexagon::PS_loadrdabs), Hexagon::D13)
-        .addImm(0xBADC0FEE)  // Misaligned load.
-        .addMemOperand(MMO);
-      MBB.erase(MI);
-      break;
-    }
-
     case Hexagon::PS_tailcall_i:
       MI.setDesc(get(Hexagon::J2_jump));
       return true;