[llvm] r265870 - [X86] Remove calls to setOperationAction that set CTLZ_ZERO_UNDEF for some vector types to Expand. Expand is already set for all operations for all vector types earlier so this is redundant. NFC

[Craig Topper via llvm-commits]

Author: ctopper
Date: Sat Apr  9 00:53:48 2016
New Revision: 265870

URL: http://llvm.org/viewvc/llvm-project?rev=265870&view=rev
Log:
[X86] Remove calls to setOperationAction that set CTLZ_ZERO_UNDEF for some vector types to Expand. Expand is already set for all operations for all vector types earlier so this is redundant. NFC

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=265870&r1=265869&r2=265870&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Sat Apr  9 00:53:48 2016
@@ -1574,17 +1574,11 @@ X86TargetLowering::X86TargetLowering(con
     if (Subtarget.hasCDI()) {
       setOperationAction(ISD::CTLZ,             MVT::v8i64,  Legal);
       setOperationAction(ISD::CTLZ,             MVT::v16i32, Legal);
-      setOperationAction(ISD::CTLZ_ZERO_UNDEF,  MVT::v8i64,  Expand);
-      setOperationAction(ISD::CTLZ_ZERO_UNDEF,  MVT::v16i32, Expand);
 
       setOperationAction(ISD::CTLZ,             MVT::v8i16,  Custom);
       setOperationAction(ISD::CTLZ,             MVT::v16i8,  Custom);
       setOperationAction(ISD::CTLZ,             MVT::v16i16, Custom);
       setOperationAction(ISD::CTLZ,             MVT::v32i8,  Custom);
-      setOperationAction(ISD::CTLZ_ZERO_UNDEF,  MVT::v8i16,  Expand);
-      setOperationAction(ISD::CTLZ_ZERO_UNDEF,  MVT::v16i8,  Expand);
-      setOperationAction(ISD::CTLZ_ZERO_UNDEF,  MVT::v16i16, Expand);
-      setOperationAction(ISD::CTLZ_ZERO_UNDEF,  MVT::v32i8,  Expand);
 
       setOperationAction(ISD::CTTZ_ZERO_UNDEF,  MVT::v8i64,  Custom);
       setOperationAction(ISD::CTTZ_ZERO_UNDEF,  MVT::v16i32, Custom);
@@ -1594,10 +1588,6 @@ X86TargetLowering::X86TargetLowering(con
         setOperationAction(ISD::CTLZ,             MVT::v8i32, Legal);
         setOperationAction(ISD::CTLZ,             MVT::v2i64, Legal);
         setOperationAction(ISD::CTLZ,             MVT::v4i32, Legal);
-        setOperationAction(ISD::CTLZ_ZERO_UNDEF,  MVT::v4i64, Expand);
-        setOperationAction(ISD::CTLZ_ZERO_UNDEF,  MVT::v8i32, Expand);
-        setOperationAction(ISD::CTLZ_ZERO_UNDEF,  MVT::v2i64, Expand);
-        setOperationAction(ISD::CTLZ_ZERO_UNDEF,  MVT::v4i32, Expand);
 
         setOperationAction(ISD::CTTZ_ZERO_UNDEF,  MVT::v4i64, Custom);
         setOperationAction(ISD::CTTZ_ZERO_UNDEF,  MVT::v8i32, Custom);
@@ -1608,10 +1598,6 @@ X86TargetLowering::X86TargetLowering(con
         setOperationAction(ISD::CTLZ,             MVT::v8i32, Custom);
         setOperationAction(ISD::CTLZ,             MVT::v2i64, Custom);
         setOperationAction(ISD::CTLZ,             MVT::v4i32, Custom);
-        setOperationAction(ISD::CTLZ_ZERO_UNDEF,  MVT::v4i64, Expand);
-        setOperationAction(ISD::CTLZ_ZERO_UNDEF,  MVT::v8i32, Expand);
-        setOperationAction(ISD::CTLZ_ZERO_UNDEF,  MVT::v2i64, Expand);
-        setOperationAction(ISD::CTLZ_ZERO_UNDEF,  MVT::v4i32, Expand);
       }
     } // Subtarget.hasCDI()
 
@@ -1743,8 +1729,6 @@ X86TargetLowering::X86TargetLowering(con
     if (Subtarget.hasCDI()) {
       setOperationAction(ISD::CTLZ,            MVT::v32i16, Custom);
       setOperationAction(ISD::CTLZ,            MVT::v64i8,  Custom);
-      setOperationAction(ISD::CTLZ_ZERO_UNDEF, MVT::v32i16, Expand);
-      setOperationAction(ISD::CTLZ_ZERO_UNDEF, MVT::v64i8,  Expand);
     }
 
     for (auto VT : { MVT::v64i8, MVT::v32i16 }) {