Move the version to supported (#2622)

Original commit:
KhronosGroup/SPIRV-LLVM-Translator@d7870dfe082b5d1

Author: vmaksimo

llvm-spirv/README.md

@@ -203,7 +203,7 @@ the version of the SPIR-V file which is being generated/consumed.
   the input file and emit an error if the SPIR-V version in it is higher than
   one specified via this option.
 
-Allowed values are `1.0`, `1.1`, `1.2`, `1.3`, `1.4`, and `1.5`.
+Allowed values are `1.0`, `1.1`, `1.2`, `1.3`, `1.4`, `1.5` and `1.6`.
 
 More information can be found in
 [SPIR-V versions and extensions handling](docs/SPIRVVersionsAndExtensionsHandling.rst)

llvm-spirv/docs/SPIRVVersionsAndExtensionsHandling.rst

@@ -65,7 +65,8 @@ the version of the SPIR-V file which is being generated/consumed.
   one exception: resulting SPIR-V version cannot be raised higher than
   specified by this option.
 
-Allowed values are ``1.0``, ``1.1``, ``1.2``, ``1.3``, ``1.4``, and ``1.5``.
+Allowed values are ``1.0``, ``1.1``, ``1.2``, ``1.3``, ``1.4``, ``1.5`` and
+``1.6``.
 
 .. warning::
    These two options are mutually exclusive and cannot be specified at the

llvm-spirv/lib/SPIRV/SPIRVWriter.cpp

@@ -6730,6 +6730,8 @@ VersionNumber getVersionFromTriple(const Triple &TT, SPIRVErrorLog &ErrorLog) {
     return VersionNumber::SPIRV_1_4;
   case Triple::SPIRVSubArch_v15:
     return VersionNumber::SPIRV_1_5;
+  case Triple::SPIRVSubArch_v16:
+    return VersionNumber::SPIRV_1_6;
   default:
     ErrorLog.checkError(false, SPIRVEC_InvalidSubArch, TT.getArchName().str());
     return VersionNumber::MaximumVersion;

llvm-spirv/lib/SPIRV/libSPIRV/SPIRVErrorEnum.h

@@ -2,7 +2,7 @@
 _SPIRV_OP(Success, "Success")
 _SPIRV_OP(InvalidTargetTriple,
           "Expects spir-unknown-unknown or spir64-unknown-unknown.")
-_SPIRV_OP(InvalidSubArch, "Expecting v1.0-v1.5.")
+_SPIRV_OP(InvalidSubArch, "Expecting v1.0-v1.6.")
 _SPIRV_OP(TripleMaxVersionIncompatible,
           "Triple version and maximum version are incompatible.")
 _SPIRV_OP(InvalidAddressingModel, "Expects 0-2.")

llvm-spirv/tools/llvm-spirv/llvm-spirv.cpp

@@ -113,8 +113,7 @@ static cl::opt<VersionNumber> MaxSPIRVVersion(
                clEnumValN(VersionNumber::SPIRV_1_3, "1.3", "SPIR-V 1.3"),
                clEnumValN(VersionNumber::SPIRV_1_4, "1.4", "SPIR-V 1.4"),
                clEnumValN(VersionNumber::SPIRV_1_5, "1.5", "SPIR-V 1.5"),
-               clEnumValN(VersionNumber::SPIRV_1_6, "1.6",
-                          "SPIR-V 1.6 (experimental)")),
+               clEnumValN(VersionNumber::SPIRV_1_6, "1.6", "SPIR-V 1.6")),
     cl::init(VersionNumber::MaximumVersion));
 
 static cl::list<std::string>