R600/SI: fix shadow mapping for 1D and 2D array textures

It was conflicting with def TEX_SHADOW_ARRAY, which also handles them.

Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
llvm-svn: 212829

llvm/lib/Target/R600/R600Instructions.td

@@ -216,7 +216,7 @@ class R600_REDUCTION <bits<11> inst, dag ins, string asm, list<dag> pattern,
 def TEX_SHADOW : PatLeaf<
   (imm),
   [{uint32_t TType = (uint32_t)N->getZExtValue();
-    return (TType >= 6 && TType <= 8) || (TType >= 11 && TType <= 13);
+    return (TType >= 6 && TType <= 8) || TType == 13;
   }]
 >;