[llvm] r324833 - [X86] Remove setOperationAction lines for promoting vXi1 SINT_TO_FP/UINT_TO_FP.

[Craig Topper via llvm-commits]

Author: ctopper
Date: Sat Feb 10 23:44:33 2018
New Revision: 324833

URL: http://llvm.org/viewvc/llvm-project?rev=324833&view=rev
Log:
[X86] Remove setOperationAction lines for promoting vXi1 SINT_TO_FP/UINT_TO_FP.

We promote these via a DAG combine now before lowering gets the chance.

Also remove the v2i1 custom handling since it will no longer be triggered.

Modified:
    llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=324833&r1=324832&r2=324833&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Sat Feb 10 23:44:33 2018
@@ -1160,15 +1160,6 @@ X86TargetLowering::X86TargetLowering(con
     setOperationAction(ISD::EXTRACT_VECTOR_ELT, MVT::v1i1, Custom);
     setOperationAction(ISD::BUILD_VECTOR,       MVT::v1i1, Custom);
 
-    setOperationPromotedToType(ISD::SINT_TO_FP, MVT::v16i1, MVT::v16i32);
-    setOperationPromotedToType(ISD::UINT_TO_FP, MVT::v16i1, MVT::v16i32);
-    setOperationPromotedToType(ISD::SINT_TO_FP, MVT::v8i1,  MVT::v8i32);
-    setOperationPromotedToType(ISD::UINT_TO_FP, MVT::v8i1,  MVT::v8i32);
-    setOperationPromotedToType(ISD::SINT_TO_FP, MVT::v4i1,  MVT::v4i32);
-    setOperationPromotedToType(ISD::UINT_TO_FP, MVT::v4i1,  MVT::v4i32);
-    setOperationAction(ISD::SINT_TO_FP,         MVT::v2i1,  Custom);
-    setOperationAction(ISD::UINT_TO_FP,         MVT::v2i1,  Custom);
-
     setOperationPromotedToType(ISD::FP_TO_SINT, MVT::v16i1, MVT::v16i32);
     setOperationPromotedToType(ISD::FP_TO_UINT, MVT::v16i1, MVT::v16i32);
     setOperationPromotedToType(ISD::FP_TO_SINT, MVT::v8i1,  MVT::v8i32);
@@ -15759,14 +15750,6 @@ SDValue X86TargetLowering::LowerSINT_TO_
                          DAG.getNode(ISD::CONCAT_VECTORS, dl, MVT::v4i32, Src,
                                      DAG.getUNDEF(SrcVT)));
     }
-    if (SrcVT == MVT::v2i1) {
-      // For v2i1, we need to widen to v4i1 first.
-      assert(VT == MVT::v2f64 && "Unexpected type");
-      Src = DAG.getNode(ISD::CONCAT_VECTORS, dl, MVT::v4i1, Src,
-                        DAG.getUNDEF(MVT::v2i1));
-      return DAG.getNode(X86ISD::CVTSI2P, dl, Op.getValueType(),
-                         DAG.getNode(ISD::SIGN_EXTEND, dl, MVT::v4i32, Src));
-    }
     return SDValue();
   }
 
@@ -16103,15 +16086,6 @@ static SDValue lowerUINT_TO_FP_vec(SDVal
   MVT SrcVT = N0.getSimpleValueType();
   SDLoc dl(Op);
 
-  if (SrcVT == MVT::v2i1) {
-    // For v2i1, we need to widen to v4i1 first.
-    assert(Op.getValueType() == MVT::v2f64 && "Unexpected type");
-    N0 = DAG.getNode(ISD::CONCAT_VECTORS, dl, MVT::v4i1, N0,
-                     DAG.getUNDEF(MVT::v2i1));
-    return DAG.getNode(X86ISD::CVTUI2P, dl, MVT::v2f64,
-                       DAG.getNode(ISD::ZERO_EXTEND, dl, MVT::v4i32, N0));
-  }
-
   switch (SrcVT.SimpleTy) {
   default:
     llvm_unreachable("Custom UINT_TO_FP is not supported!");