[X86] Use ISD::INTRINSIC_VOID in getTgtMemIntrinsic for truncating stores and scatter...

This is the appropriate opcode for only having a chain output. Though I'm not
sure it matters much.

llvm-svn: 357375

diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index f516312..601c7be 100644 (file)
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -4764,7 +4764,6 @@ bool X86TargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
   if (!IntrData)
     return false;
 
-  Info.opc = ISD::INTRINSIC_W_CHAIN;
   Info.flags = MachineMemOperand::MONone;
   Info.offset = 0;
 
@@ -4772,6 +4771,7 @@ bool X86TargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
   case TRUNCATE_TO_MEM_VI8:
   case TRUNCATE_TO_MEM_VI16:
   case TRUNCATE_TO_MEM_VI32: {
+    Info.opc = ISD::INTRINSIC_VOID;
     Info.ptrVal = I.getArgOperand(0);
     MVT VT  = MVT::getVT(I.getArgOperand(1)->getType());
     MVT ScalarVT = MVT::INVALID_SIMPLE_VALUE_TYPE;
@@ -4789,6 +4789,7 @@ bool X86TargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
   }
   case GATHER:
   case GATHER_AVX2: {
+    Info.opc = ISD::INTRINSIC_W_CHAIN;
     Info.ptrVal = nullptr;
     MVT DataVT = MVT::getVT(I.getType());
     MVT IndexVT = MVT::getVT(I.getArgOperand(2)->getType());
@@ -4800,6 +4801,7 @@ bool X86TargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
     break;
   }
   case SCATTER: {
+    Info.opc = ISD::INTRINSIC_VOID;
     Info.ptrVal = nullptr;
     MVT DataVT = MVT::getVT(I.getArgOperand(3)->getType());
     MVT IndexVT = MVT::getVT(I.getArgOperand(2)->getType());