Fix ARM fast isel to correctly flag memory operands to stores. This fixes

-verify-machineinstrs failures on several tests.

llvm-svn: 132268

1 files changed, 7 insertions, 5 deletions

diff --git a/llvm/lib/Target/ARM/ARMFastISel.cpp b/llvm/lib/Target/ARM/ARMFastISel.cpp
index fc0b8d23c71..ed9586897a8 100644
--- a/llvm/lib/Target/ARM/ARMFastISel.cpp
+++ b/llvm/lib/Target/ARM/ARMFastISel.cpp
@@ -207,7 +207,8 @@ class ARMFastISel : public FastISel {
     bool DefinesOptionalPredicate(MachineInstr *MI, bool *CPSR);
     const MachineInstrBuilder &AddOptionalDefs(const MachineInstrBuilder &MIB);
     void AddLoadStoreOperands(EVT VT, Address &Addr,
-                              const MachineInstrBuilder &MIB);
+                              const MachineInstrBuilder &MIB,
+                              unsigned Flags);
 };
 
 } // end anonymous namespace
@@ -852,7 +853,8 @@ void ARMFastISel::ARMSimplifyAddress(Address &Addr, EVT VT) {
 }
 
 void ARMFastISel::AddLoadStoreOperands(EVT VT, Address &Addr,
-                                       const MachineInstrBuilder &MIB) {
+                                       const MachineInstrBuilder &MIB,
+                                       unsigned Flags) {
   // addrmode5 output depends on the selection dag addressing dividing the
   // offset by 4 that it then later multiplies. Do this here as well.
   if (VT.getSimpleVT().SimpleTy == MVT::f32 ||
@@ -866,7 +868,7 @@ void ARMFastISel::AddLoadStoreOperands(EVT VT, Address &Addr,
     MachineMemOperand *MMO =
           FuncInfo.MF->getMachineMemOperand(
                                   MachinePointerInfo::getFixedStack(FI, Offset),
-                                  MachineMemOperand::MOLoad,
+                                  Flags,
                                   MFI.getObjectSize(FI),
                                   MFI.getObjectAlignment(FI));
     // Now add the rest of the operands.
@@ -925,7 +927,7 @@ bool ARMFastISel::ARMEmitLoad(EVT VT, unsigned &ResultReg, Address &Addr) {
   ResultReg = createResultReg(RC);
   MachineInstrBuilder MIB = BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL,
                                     TII.get(Opc), ResultReg);
-  AddLoadStoreOperands(VT, Addr, MIB);
+  AddLoadStoreOperands(VT, Addr, MIB, MachineMemOperand::MOLoad);
   return true;
 }
 
@@ -984,7 +986,7 @@ bool ARMFastISel::ARMEmitStore(EVT VT, unsigned SrcReg, Address &Addr) {
   MachineInstrBuilder MIB = BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL,
                                     TII.get(StrOpc))
                             .addReg(SrcReg, getKillRegState(true));
-  AddLoadStoreOperands(VT, Addr, MIB);
+  AddLoadStoreOperands(VT, Addr, MIB, MachineMemOperand::MOStore);
   return true;
 }