Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,

e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)
A update of langref will occur in a subsequent checkin.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99928 91177308-0d34-0410-b5e6-96231b3b80d8

6 files changed, 19 insertions, 15 deletions

diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index b6c81f6910..77fb0c3cdb 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -861,7 +861,8 @@ CreateCopyOfByValArgument(SDValue Src, SDValue Dst, SDValue Chain,
                           DebugLoc dl) {
   SDValue SizeNode = DAG.getConstant(Flags.getByValSize(), MVT::i32);
   return DAG.getMemcpy(Chain, dl, Dst, Src, SizeNode, Flags.getByValAlign(),
-                       /*AlwaysInline=*/false, NULL, 0, NULL, 0);
+                       /*isVolatile=*/false, /*AlwaysInline=*/false,
+                       NULL, 0, NULL, 0);
 }
 
 /// LowerMemOpCallTo - Store the argument to the stack.
@@ -2053,7 +2054,7 @@ ARMTargetLowering::EmitTargetCodeForMemcpy(SelectionDAG &DAG, DebugLoc dl,
                                            SDValue Chain,
                                            SDValue Dst, SDValue Src,
                                            SDValue Size, unsigned Align,
-                                           bool AlwaysInline,
+                                           bool isVolatile, bool AlwaysInline,
                                          const Value *DstSV, uint64_t DstSVOff,
                                          const Value *SrcSV, uint64_t SrcSVOff){
   // Do repeated 4-byte loads and stores. To be improved.
@@ -2089,7 +2090,7 @@ ARMTargetLowering::EmitTargetCodeForMemcpy(SelectionDAG &DAG, DebugLoc dl,
       Loads[i] = DAG.getLoad(VT, dl, Chain,
                              DAG.getNode(ISD::ADD, dl, MVT::i32, Src,
                                          DAG.getConstant(SrcOff, MVT::i32)),
-                             SrcSV, SrcSVOff + SrcOff, false, false, 0);
+                             SrcSV, SrcSVOff + SrcOff, isVolatile, false, 0);
       TFOps[i] = Loads[i].getValue(1);
       SrcOff += VTSize;
     }
@@ -2100,7 +2101,7 @@ ARMTargetLowering::EmitTargetCodeForMemcpy(SelectionDAG &DAG, DebugLoc dl,
       TFOps[i] = DAG.getStore(Chain, dl, Loads[i],
                               DAG.getNode(ISD::ADD, dl, MVT::i32, Dst,
                                           DAG.getConstant(DstOff, MVT::i32)),
-                              DstSV, DstSVOff + DstOff, false, false, 0);
+                              DstSV, DstSVOff + DstOff, isVolatile, false, 0);
       DstOff += VTSize;
     }
     Chain = DAG.getNode(ISD::TokenFactor, dl, MVT::Other, &TFOps[0], i);
diff --git a/lib/Target/ARM/ARMISelLowering.h b/lib/Target/ARM/ARMISelLowering.h
index f8f8adc70a..fa33ad3075 100644
--- a/lib/Target/ARM/ARMISelLowering.h
+++ b/lib/Target/ARM/ARMISelLowering.h
@@ -305,7 +305,7 @@ namespace llvm {
                                       SDValue Chain,
                                       SDValue Dst, SDValue Src,
                                       SDValue Size, unsigned Align,
-                                      bool AlwaysInline,
+                                      bool isVolatile, bool AlwaysInline,
                                       const Value *DstSV, uint64_t DstSVOff,
                                       const Value *SrcSV, uint64_t SrcSVOff);
     SDValue LowerCallResult(SDValue Chain, SDValue InFlag,
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index 2c072c1290..24b8442c7d 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -2392,7 +2392,7 @@ CreateCopyOfByValArgument(SDValue Src, SDValue Dst, SDValue Chain,
                           DebugLoc dl) {
   SDValue SizeNode = DAG.getConstant(Flags.getByValSize(), MVT::i32);
   return DAG.getMemcpy(Chain, dl, Dst, Src, SizeNode, Flags.getByValAlign(),
-                       false, NULL, 0, NULL, 0);
+                       false, false, NULL, 0, NULL, 0);
 }
 
 /// LowerMemOpCallTo - Store the argument to the stack or remember it in case of
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index b94f76efa6..2cfd2d4db6 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -1422,7 +1422,8 @@ CreateCopyOfByValArgument(SDValue Src, SDValue Dst, SDValue Chain,
                           DebugLoc dl) {
   SDValue SizeNode     = DAG.getConstant(Flags.getByValSize(), MVT::i32);
   return DAG.getMemcpy(Chain, dl, Dst, Src, SizeNode, Flags.getByValAlign(),
-                       /*AlwaysInline=*/true, NULL, 0, NULL, 0);
+                       /*isVolatile*/false, /*AlwaysInline=*/true,
+                       NULL, 0, NULL, 0);
 }
 
 /// IsTailCallConvention - Return true if the calling convention is one that
@@ -6539,6 +6540,7 @@ X86TargetLowering::EmitTargetCodeForMemset(SelectionDAG &DAG, DebugLoc dl,
                                            SDValue Chain,
                                            SDValue Dst, SDValue Src,
                                            SDValue Size, unsigned Align,
+                                           bool isVolatile,
                                            const Value *DstSV,
                                            uint64_t DstSVOff) {
   ConstantSDNode *ConstantSize = dyn_cast<ConstantSDNode>(Size);
@@ -6667,7 +6669,7 @@ X86TargetLowering::EmitTargetCodeForMemset(SelectionDAG &DAG, DebugLoc dl,
                                       DAG.getConstant(Offset, AddrVT)),
                           Src,
                           DAG.getConstant(BytesLeft, SizeVT),
-                          Align, DstSV, DstSVOff + Offset);
+                          Align, isVolatile, DstSV, DstSVOff + Offset);
   }
 
   // TODO: Use a Tokenfactor, as in memcpy, instead of a single chain.
@@ -6678,7 +6680,7 @@ SDValue
 X86TargetLowering::EmitTargetCodeForMemcpy(SelectionDAG &DAG, DebugLoc dl,
                                       SDValue Chain, SDValue Dst, SDValue Src,
                                       SDValue Size, unsigned Align,
-                                      bool AlwaysInline,
+                                      bool isVolatile, bool AlwaysInline,
                                       const Value *DstSV, uint64_t DstSVOff,
                                       const Value *SrcSV, uint64_t SrcSVOff) {
   // This requires the copy size to be a constant, preferrably
@@ -6737,7 +6739,7 @@ X86TargetLowering::EmitTargetCodeForMemcpy(SelectionDAG &DAG, DebugLoc dl,
                                     DAG.getNode(ISD::ADD, dl, SrcVT, Src,
                                                 DAG.getConstant(Offset, SrcVT)),
                                     DAG.getConstant(BytesLeft, SizeVT),
-                                    Align, AlwaysInline,
+                                    Align, isVolatile, AlwaysInline,
                                     DstSV, DstSVOff + Offset,
                                     SrcSV, SrcSVOff + Offset));
   }
@@ -6820,8 +6822,8 @@ SDValue X86TargetLowering::LowerVACOPY(SDValue Op, SelectionDAG &DAG) {
   DebugLoc dl = Op.getDebugLoc();
 
   return DAG.getMemcpy(Chain, dl, DstPtr, SrcPtr,
-                       DAG.getIntPtrConstant(24), 8, false,
-                       DstSV, 0, SrcSV, 0);
+                       DAG.getIntPtrConstant(24), 8, /*isVolatile*/false,
+                       false, DstSV, 0, SrcSV, 0);
 }
 
 SDValue
diff --git a/lib/Target/X86/X86ISelLowering.h b/lib/Target/X86/X86ISelLowering.h
index 46fa3cefdc..52e548e822 100644
--- a/lib/Target/X86/X86ISelLowering.h
+++ b/lib/Target/X86/X86ISelLowering.h
@@ -737,12 +737,13 @@ namespace llvm {
                                     SDValue Chain,
                                     SDValue Dst, SDValue Src,
                                     SDValue Size, unsigned Align,
+                                    bool isVolatile,
                                     const Value *DstSV, uint64_t DstSVOff);
     SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, DebugLoc dl,
                                     SDValue Chain,
                                     SDValue Dst, SDValue Src,
                                     SDValue Size, unsigned Align,
-                                    bool AlwaysInline,
+                                    bool isVolatile, bool AlwaysInline,
                                     const Value *DstSV, uint64_t DstSVOff,
                                     const Value *SrcSV, uint64_t SrcSVOff);
     
@@ -752,7 +753,7 @@ namespace llvm {
     /// block, the number of args, and whether or not the second arg is
     /// in memory or not.
     MachineBasicBlock *EmitPCMP(MachineInstr *BInstr, MachineBasicBlock *BB,
-				unsigned argNum, bool inMem) const;
+                                unsigned argNum, bool inMem) const;
 
     /// Utility function to emit atomic bitwise operations (and, or, xor).
     /// It takes the bitwise instruction to expand, the associated machine basic
diff --git a/lib/Target/XCore/XCoreISelLowering.cpp b/lib/Target/XCore/XCoreISelLowering.cpp
index bf1a457627..27e5233246 100644
--- a/lib/Target/XCore/XCoreISelLowering.cpp
+++ b/lib/Target/XCore/XCoreISelLowering.cpp
@@ -1443,7 +1443,7 @@ SDValue XCoreTargetLowering::PerformDAGCombine(SDNode *N,
         return DAG.getMemmove(Chain, dl, ST->getBasePtr(),
                               LD->getBasePtr(),
                               DAG.getConstant(StoreBits/8, MVT::i32),
-                              Alignment, ST->getSrcValue(),
+                              Alignment, false, ST->getSrcValue(),
                               ST->getSrcValueOffset(), LD->getSrcValue(),
                               LD->getSrcValueOffset());
       }