================
@@ -0,0 +1,132 @@
+// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.6-library
-finclude-default-header -verify %s
+// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.6-library
-finclude-default-header -fnative-half-type -verify %s
+// expected-no-diagnostics
+
+// Case 1: How many ways can I come up with to represent three float values?
+struct ThreeFloats1 {
+ float X, Y, Z;
+};
+
+struct ThreeFloats2 {
+ float X[3];
+};
+
+struct ThreeFloats3 {
+ float3 V;
+};
+
+struct ThreeFloats4 {
+ float2 V;
+ float F;
+};
+
+_Static_assert(__is_scalarized_layout_compatible(float3, float[3]), "");
+_Static_assert(__is_scalarized_layout_compatible(float3, ThreeFloats1), "");
+_Static_assert(__is_scalarized_layout_compatible(float3, ThreeFloats2), "");
+_Static_assert(__is_scalarized_layout_compatible(float3, ThreeFloats3), "");
+_Static_assert(__is_scalarized_layout_compatible(float3, ThreeFloats4), "");
+
+// Case 2: structs and base classes and arrays, oh my!
+struct Dog {
+ int Leg[4];
+ bool Tail;
+ float Fur;
+};
+
+struct Shiba {
+ int4 StubbyLegs;
+ bool CurlyTail;
+ struct Coating {
+ float Fur;
+ } F;
+};
+
+struct FourLegged {
+ int FR, FL, BR, BL;
+};
+
+struct Doggo : FourLegged {
+ bool WaggyBit;
+ float Fuzz;
+};
+
+_Static_assert(__is_scalarized_layout_compatible(Dog, Shiba), "");
+_Static_assert(__is_scalarized_layout_compatible(Dog, Doggo), "");
+
+// Case 3: Arrays of structs inside structs
+
+struct Cat {
+ struct Leg {
+ int L;
+ } Legs[4];
+ struct Other {
+ bool Tail;
+ float Furs;
+ } Bits;
+};
+
+_Static_assert(__is_scalarized_layout_compatible(Dog, Cat), "");
+
+// case 4: Arrays of structs inside arrays of structs.
+struct Pets {
+ Dog Puppers[6];
+ Cat Kitties[4];
+};
+
+struct Animals {
+ Dog Puppers[2];
+ Cat Kitties[8];
+};
+
+_Static_assert(__is_scalarized_layout_compatible(Pets, Animals), "");
+
+// Case 5: Turtles all the way down...
+
+typedef int Turtle;
+
+enum Ninja : Turtle {
+ Leonardo,
+ Donatello,
+ Michelangelo,
+ Raphael,
+};
+
+enum NotNinja : Turtle {
+ Fred,
+ Mikey,
+};
+
+enum Mammals : uint {
----------------
damyanp wrote:
No Rat or Splinter??
https://github.com/llvm/llvm-project/pull/102227
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