[llvm] r315469 - [X86] Remove MVT::i1 handling code from LowerTRUNCATE

[Craig Topper via llvm-commits]

Author: ctopper
Date: Wed Oct 11 09:05:05 2017
New Revision: 315469

URL: http://llvm.org/viewvc/llvm-project?rev=315469&view=rev
Log:
[X86] Remove MVT::i1 handling code from LowerTRUNCATE

Summary: I don't think this is necessary with i1 being illegal now.

Reviewers: RKSimon, zvi, guyblank

Reviewed By: RKSimon

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D38784

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=315469&r1=315468&r2=315469&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Wed Oct 11 09:05:05 2017
@@ -16064,14 +16064,6 @@ SDValue X86TargetLowering::LowerTRUNCATE
   SDValue In = Op.getOperand(0);
   MVT InVT = In.getSimpleValueType();
 
-  if (VT == MVT::i1) {
-    assert((InVT.isInteger() && (InVT.getSizeInBits() <= 64)) &&
-           "Invalid scalar TRUNCATE operation");
-    if (InVT.getSizeInBits() >= 32)
-      return SDValue();
-    In = DAG.getNode(ISD::ANY_EXTEND, DL, MVT::i32, In);
-    return DAG.getNode(ISD::TRUNCATE, DL, VT, In);
-  }
   assert(VT.getVectorNumElements() == InVT.getVectorNumElements() &&
          "Invalid TRUNCATE operation");