[X86] Update type actions for ISD::TRUNCATE with avx512f to be Legal …

…when possible. NFCI The Custom handler wasn't doing anything for these cases anyway.
llvm · May 1, 2020 · ed7479b · ed7479b
1 parent 43b89ec
commit ed7479b
Showing 1 changed file with 12 additions and 12 deletions.
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -1525,18 +1525,18 @@ X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM,
       }
     }
 
-    setOperationAction(ISD::TRUNCATE,           MVT::v8i32, Custom);
-    setOperationAction(ISD::TRUNCATE,           MVT::v16i16, Custom);
-    setOperationAction(ISD::TRUNCATE,           MVT::v32i8, Custom);
-    setOperationAction(ISD::ZERO_EXTEND,        MVT::v32i16, Custom);
-    setOperationAction(ISD::ZERO_EXTEND,        MVT::v16i32, Custom);
-    setOperationAction(ISD::ZERO_EXTEND,        MVT::v8i64, Custom);
-    setOperationAction(ISD::ANY_EXTEND,         MVT::v32i16, Custom);
-    setOperationAction(ISD::ANY_EXTEND,         MVT::v16i32, Custom);
-    setOperationAction(ISD::ANY_EXTEND,         MVT::v8i64, Custom);
-    setOperationAction(ISD::SIGN_EXTEND,        MVT::v32i16, Custom);
-    setOperationAction(ISD::SIGN_EXTEND,        MVT::v16i32, Custom);
-    setOperationAction(ISD::SIGN_EXTEND,        MVT::v8i64, Custom);
+    setOperationAction(ISD::TRUNCATE,    MVT::v8i32,  Legal);
+    setOperationAction(ISD::TRUNCATE,    MVT::v16i16, Legal);
+    setOperationAction(ISD::TRUNCATE,    MVT::v32i8,  HasBWI ? Legal : Custom);
+    setOperationAction(ISD::ZERO_EXTEND, MVT::v32i16, Custom);
+    setOperationAction(ISD::ZERO_EXTEND, MVT::v16i32, Custom);
+    setOperationAction(ISD::ZERO_EXTEND, MVT::v8i64,  Custom);
+    setOperationAction(ISD::ANY_EXTEND,  MVT::v32i16, Custom);
+    setOperationAction(ISD::ANY_EXTEND,  MVT::v16i32, Custom);
+    setOperationAction(ISD::ANY_EXTEND,  MVT::v8i64,  Custom);
+    setOperationAction(ISD::SIGN_EXTEND, MVT::v32i16, Custom);
+    setOperationAction(ISD::SIGN_EXTEND, MVT::v16i32, Custom);
+    setOperationAction(ISD::SIGN_EXTEND, MVT::v8i64,  Custom);
 
     if (HasBWI) {
       // Extends from v64i1 masks to 512-bit vectors.