Use non-legacy ASIC to generate AMDIL

* This may break on drivers old enough to not recognise the first non-legacy
  ASIC, but that is much rarer than new drivers that have dropped support for
  the old ones.

renderdoc/driver/ihv/amd/amd_isa.cpp

@@ -380,7 +380,7 @@ rdcstr DisassembleGLSL(ShaderStage stage, const bytebuf &shaderBytes, const rdcs
   // dummy values
   if(!found)
   {
-    const asic &a = asicInfo[0];
+    const asic &a = asicInfo[legacyAsicCount];
     cmdLine += StringFormat::Fmt("%d;%d;", a.chipFamily, a.chipRevision);
   }
 

renderdoc/driver/ihv/amd/amd_isa_win32.cpp

@@ -115,8 +115,8 @@ rdcstr DisassembleDXBC(const bytebuf &shaderBytes, const rdcstr &target)
   bool amdil = false;
   if(target == "AMDIL")
   {
-    in.chipFamily = asicInfo[0].chipFamily;
-    in.chipRevision = asicInfo[0].chipRevision;
+    in.chipFamily = asicInfo[legacyAsicCount].chipFamily;
+    in.chipRevision = asicInfo[legacyAsicCount].chipRevision;
     amdil = true;
   }
 

util/test/tests/GL/GL_Shader_ISA.py

@@ -27,7 +27,7 @@ class GL_Shader_ISA(rdtest.TestCase):
         # Generic testing can't do much, we just ensure that we can successfully get a non-empty disassembly string
         for isa in isas:
             # The AMD disassembler does an audible ping when it fails, so skip ones we know won't work
-            if not is_amd and ('GCN (' in isa or 'RDNA (' in isa or isa == 'AMDIL'):
+            if not is_amd and ('GCN (' in isa or 'RDNA (' in isa or 'RDNA2 (' in isa or isa == 'AMDIL'):
                 rdtest.log.print("Skipping {} as we know it will fail".format(isa))
                 continue