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

[Chris B 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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llvm-beanz wrote:

We are probably going to want to be able to map DXIL opcodes to intrinsic functions for the DXIL loading path though right? So it is infrastructure we need one way or another.

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