Fix for Generic Function Redefinition Error (#7891)

* emit literal values in getTypeNameHint for bool, str etc.

* add test for specializing generics with bool literals

* fix build error

* add specializing with Enum type test

2 files changed, 72 insertions, 0 deletions

diff --git a/source/slang/slang-ir-util.cpp b/source/slang/slang-ir-util.cpp
index a1d043dff..9b852b803 100644
--- a/source/slang/slang-ir-util.cpp
+++ b/source/slang/slang-ir-util.cpp
@@ -719,6 +719,30 @@ void getTypeNameHint(StringBuilder& sb, IRInst* type)
     case kIROp_IntLit:
         sb << as<IRIntLit>(type)->getValue();
         break;
+    case kIROp_BoolLit:
+        sb << (as<IRBoolLit>(type)->getValue() ? "true" : "false");
+        break;
+    case kIROp_FloatLit:
+        sb << as<IRFloatLit>(type)->getValue();
+        break;
+    case kIROp_StringLit:
+        {
+            auto stringLit = as<IRStringLit>(type);
+            sb << "\"";
+            sb << stringLit->getStringSlice();
+            sb << "\"";
+        }
+        break;
+    case kIROp_VoidLit:
+        sb << "void";
+        break;
+    case kIROp_PtrLit:
+        {
+            auto ptrLit = as<IRPtrLit>(type);
+            sb << "ptr_";
+            sb << (UInt64)ptrLit->getValue();
+        }
+        break;
     default:
         if (auto decor = type->findDecoration<IRNameHintDecoration>())
             sb << decor->getName();
diff --git a/tests/language-feature/generics/generic-interface-linkage-2.slang b/tests/language-feature/generics/generic-interface-linkage-2.slang
new file mode 100644
index 000000000..e10cb0348
--- /dev/null
+++ b/tests/language-feature/generics/generic-interface-linkage-2.slang
@@ -0,0 +1,48 @@
+//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK):-slang -compute -compile-arg -obfuscate -shaderobj -output-using-type
+//TEST(compute, vulkan):COMPARE_COMPUTE(filecheck-buffer=CHECK):-vk -compute -compile-arg -obfuscate -shaderobj -output-using-type
+
+//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name=outputBuffer
+RWStructuredBuffer<float> outputBuffer;
+
+float testBool<let doStuff : bool>()
+{
+    if (doStuff)
+    {
+        return 1.0;
+    }
+    else
+    {
+        return 2.0;
+    }
+}
+
+enum Color {
+    RED,
+    GREEN
+}
+
+float testEnum<let e : Color>()
+{
+    if (e == Color::RED)
+    {
+        return 3.0;
+    }
+    else
+    {
+        return 4.0;
+    }
+}
+
+[shader("compute")]
+void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
+{
+    // CHECK: 1.0
+    outputBuffer[0] = testBool<true>();
+    // CHECK: 2.0
+    outputBuffer[1] = testBool<false>();
+
+    // CHECK: 3.0
+    outputBuffer[2] = testEnum<Color::RED>();
+    // CHECK: 4.0
+    outputBuffer[3] = testEnum<Color::GREEN>();
+}