[llvm] r211643 - R600: Promote i64 stores to v2i32

[Tom Stellard]

Author: tstellar
Date: Tue Jun 24 18:33:04 2014
New Revision: 211643

URL: http://llvm.org/viewvc/llvm-project?rev=211643&view=rev
Log:
R600: Promote i64 stores to v2i32

Now we need only one 64-bit pattern for stores.

Modified:
    llvm/trunk/lib/Target/R600/AMDGPUISelLowering.cpp
    llvm/trunk/lib/Target/R600/SIISelLowering.cpp
    llvm/trunk/lib/Target/R600/SIInstructions.td
    llvm/trunk/test/CodeGen/R600/store.ll

Modified: llvm/trunk/lib/Target/R600/AMDGPUISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/R600/AMDGPUISelLowering.cpp?rev=211643&r1=211642&r2=211643&view=diff
==============================================================================
--- llvm/trunk/lib/Target/R600/AMDGPUISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/R600/AMDGPUISelLowering.cpp Tue Jun 24 18:33:04 2014
@@ -139,6 +139,9 @@ AMDGPUTargetLowering::AMDGPUTargetLoweri
   setOperationAction(ISD::STORE, MVT::v2f32, Promote);
   AddPromotedToType(ISD::STORE, MVT::v2f32, MVT::v2i32);
 
+  setOperationAction(ISD::STORE, MVT::i64, Promote);
+  AddPromotedToType(ISD::STORE, MVT::i64, MVT::v2i32);
+
   setOperationAction(ISD::STORE, MVT::v4f32, Promote);
   AddPromotedToType(ISD::STORE, MVT::v4f32, MVT::v4i32);
 

Modified: llvm/trunk/lib/Target/R600/SIISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/R600/SIISelLowering.cpp?rev=211643&r1=211642&r2=211643&view=diff
==============================================================================
--- llvm/trunk/lib/Target/R600/SIISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/R600/SIISelLowering.cpp Tue Jun 24 18:33:04 2014
@@ -98,7 +98,6 @@ SITargetLowering::SITargetLowering(Targe
 
   setOperationAction(ISD::STORE, MVT::i1, Custom);
   setOperationAction(ISD::STORE, MVT::i32, Custom);
-  setOperationAction(ISD::STORE, MVT::i64, Custom);
   setOperationAction(ISD::STORE, MVT::v2i32, Custom);
   setOperationAction(ISD::STORE, MVT::v4i32, Custom);
 
@@ -912,6 +911,12 @@ SDValue SITargetLowering::LowerSTORE(SDV
   StoreSDNode *Store = cast<StoreSDNode>(Op);
   EVT VT = Store->getMemoryVT();
 
+  // These stores are legal.
+  if (Store->getAddressSpace() == AMDGPUAS::LOCAL_ADDRESS &&
+      VT.isVector() && VT.getVectorNumElements() == 2 &&
+      VT.getVectorElementType() == MVT::i32)
+    return SDValue();
+
   SDValue Ret = AMDGPUTargetLowering::LowerSTORE(Op, DAG);
   if (Ret.getNode())
     return Ret;

Modified: llvm/trunk/lib/Target/R600/SIInstructions.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/R600/SIInstructions.td?rev=211643&r1=211642&r2=211643&view=diff
==============================================================================
--- llvm/trunk/lib/Target/R600/SIInstructions.td (original)
+++ llvm/trunk/lib/Target/R600/SIInstructions.td Tue Jun 24 18:33:04 2014
@@ -2389,7 +2389,7 @@ multiclass DSWritePat <DS inst, ValueTyp
 defm : DSWritePat <DS_WRITE_B8, i32, truncstorei8_local>;
 defm : DSWritePat <DS_WRITE_B16, i32, truncstorei16_local>;
 defm : DSWritePat <DS_WRITE_B32, i32, local_store>;
-defm : DSWritePat <DS_WRITE_B64, i64, local_store>;
+defm : DSWritePat <DS_WRITE_B64, v2i32, local_store>;
 
 multiclass DSAtomicRetPat<DS inst, ValueType vt, PatFrag frag> {
   def : Pat <
@@ -2555,7 +2555,6 @@ multiclass MUBUFStore_Pattern <MUBUF Ins
 defm : MUBUFStore_Pattern <BUFFER_STORE_BYTE, i32, truncstorei8_global>;
 defm : MUBUFStore_Pattern <BUFFER_STORE_SHORT, i32, truncstorei16_global>;
 defm : MUBUFStore_Pattern <BUFFER_STORE_DWORD, i32, global_store>;
-defm : MUBUFStore_Pattern <BUFFER_STORE_DWORDX2, i64, global_store>;
 defm : MUBUFStore_Pattern <BUFFER_STORE_DWORDX2, v2i32, global_store>;
 defm : MUBUFStore_Pattern <BUFFER_STORE_DWORDX4, v4i32, global_store>;
 

Modified: llvm/trunk/test/CodeGen/R600/store.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/R600/store.ll?rev=211643&r1=211642&r2=211643&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/R600/store.ll (original)
+++ llvm/trunk/test/CodeGen/R600/store.ll Tue Jun 24 18:33:04 2014
@@ -263,8 +263,7 @@ entry:
 ; CM-CHECK: LDS_WRITE
 ; CM-CHECK: LDS_WRITE
 ; SI-CHECK-LABEL: @store_local_v2i32
-; SI-CHECK: DS_WRITE_B32
-; SI-CHECK: DS_WRITE_B32
+; SI-CHECK: DS_WRITE_B64
 define void @store_local_v2i32(<2 x i32> addrspace(3)* %out, <2 x i32> %in) {
 entry:
   store <2 x i32> %in, <2 x i32> addrspace(3)* %out