[llvm] [DirectX][ShaderFlags] Add analysis for `WaveOps` flag (PR #118140)

[Justin Bogner via llvm-commits]

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@@ -30,6 +31,28 @@
 using namespace llvm;
 using namespace llvm::dxil;
 
+static dxil::Properties getOpCodeProperties(dxil::OpCode OpCode) {
+  dxil::Properties Props;
+  switch (OpCode) {
+#define DXIL_OP_PROPERTIES(OpCode, ...)                                        \
+  case OpCode:                                                                 \
+    Props = dxil::Properties{__VA_ARGS__};                                     \
+    break;
+#include "DXILOperation.inc"
+  }
+  return Props;
+}
+
+static bool checkWaveOps(Intrinsic::ID IID) {
+  switch (IID) {
+#define DXIL_OP_INTRINSIC(OpCode, IntrinsicID, ...)                            \
+  case IntrinsicID:                                                            \
+    return getOpCodeProperties(OpCode).IsWave;
+#include "DXILOperation.inc"
+  }
+  return false;
+}
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bogner wrote:

There might be an argument for simply listing the 30/40 relevant intrinsic IDs in a switch statement here rather than having the whole infrastructure to map in reverse from the DXIL opcode to the directx intrinsic

https://github.com/llvm/llvm-project/pull/118140