[llvm] r348460 - [X86] Remove some leftover code for handling an i1 setcc type. NFC

[Craig Topper via llvm-commits]

Author: ctopper
Date: Wed Dec  5 23:00:02 2018
New Revision: 348460

URL: http://llvm.org/viewvc/llvm-project?rev=348460&view=rev
Log:
[X86] Remove some leftover code for handling an i1 setcc type. NFC

We should only need to handle i8 now.

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=348460&r1=348459&r2=348460&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Wed Dec  5 23:00:02 2018
@@ -40000,11 +40000,8 @@ static SDValue materializeSBB(SDNode *N,
   SDValue CF = DAG.getConstant(X86::COND_B, DL, MVT::i8);
   SDValue SBB = DAG.getNode(X86ISD::SETCC_CARRY, DL, MVT::i8, CF, EFLAGS);
   MVT VT = N->getSimpleValueType(0);
-  if (VT == MVT::i8)
-    return DAG.getNode(ISD::AND, DL, VT, SBB, DAG.getConstant(1, DL, VT));
-
-  assert(VT == MVT::i1 && "Unexpected type for SETCC node");
-  return DAG.getNode(ISD::TRUNCATE, DL, MVT::i1, SBB);
+  assert(VT == MVT::i8 && "Unexpected type for SETCC node");
+  return DAG.getNode(ISD::AND, DL, VT, SBB, DAG.getConstant(1, DL, VT));
 }
 
 /// If this is an add or subtract where one operand is produced by a cmp+setcc,