[clang] [llvm] [DirectX] Set DXIL Version using shader model version in compilation target profile (PR #89823)

[Tex Riddell via llvm-commits]

================
@@ -68,25 +68,25 @@ TEST(DxcModeTest, TargetProfileValidation) {
   IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
   DiagnosticsEngine Diags(DiagID, &*DiagOpts, DiagConsumer);
 
-  validateTargetProfile("-Tvs_6_0", "dxil--shadermodel6.0-vertex",
+  validateTargetProfile("-Tvs_6_0", "dxilv1.0--shadermodel6.0-vertex",
                         InMemoryFileSystem, Diags);
-  validateTargetProfile("-Ths_6_1", "dxil--shadermodel6.1-hull",
+  validateTargetProfile("-Ths_6_1", "dxilv1.1--shadermodel6.1-hull",
                         InMemoryFileSystem, Diags);
-  validateTargetProfile("-Tds_6_2", "dxil--shadermodel6.2-domain",
+  validateTargetProfile("-Tds_6_2", "dxilv1.2--shadermodel6.2-domain",
                         InMemoryFileSystem, Diags);
-  validateTargetProfile("-Tds_6_2", "dxil--shadermodel6.2-domain",
+  validateTargetProfile("-Tds_6_2", "dxilv1.2--shadermodel6.2-domain",
                         InMemoryFileSystem, Diags);
-  validateTargetProfile("-Tgs_6_3", "dxil--shadermodel6.3-geometry",
+  validateTargetProfile("-Tgs_6_3", "dxilv1.3--shadermodel6.3-geometry",
                         InMemoryFileSystem, Diags);
-  validateTargetProfile("-Tps_6_4", "dxil--shadermodel6.4-pixel",
+  validateTargetProfile("-Tps_6_4", "dxilv1.4--shadermodel6.4-pixel",
                         InMemoryFileSystem, Diags);
-  validateTargetProfile("-Tcs_6_5", "dxil--shadermodel6.5-compute",
+  validateTargetProfile("-Tcs_6_5", "dxilv1.5--shadermodel6.5-compute",
                         InMemoryFileSystem, Diags);
-  validateTargetProfile("-Tms_6_6", "dxil--shadermodel6.6-mesh",
+  validateTargetProfile("-Tms_6_6", "dxilv1.6--shadermodel6.6-mesh",
                         InMemoryFileSystem, Diags);
-  validateTargetProfile("-Tas_6_7", "dxil--shadermodel6.7-amplification",
+  validateTargetProfile("-Tas_6_7", "dxilv1.7--shadermodel6.7-amplification",
                         InMemoryFileSystem, Diags);
-  validateTargetProfile("-Tlib_6_x", "dxil--shadermodel6.15-library",
+  validateTargetProfile("-Tlib_6_8", "dxilv1.8--shadermodel6.8-library",
----------------
tex3d wrote:

There is, in fact, a lib_6_x target that maps to a more unconstrained offline linking target (with minor version = 15) which is not expected to be compatible between compiler versions.  Do we care to model that in clang at this time?  This change removes this target, so I just wanted to know if that was a deliberate decision.

https://github.com/llvm/llvm-project/pull/89823