[llvm] [lld] [flang] [clang] [AMDGPU] Introduce Code Object V6 (PR #76954)

[Matt Arsenault via llvm-commits]

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@@ -106,6 +107,25 @@ uint32_t AMDGPU::calcEFlagsV4() const {
   return retMach | retXnack | retSramEcc;
 }
 
+uint32_t AMDGPU::calcEFlagsV6() const {
+  uint32_t flags = calcEFlagsV4();
+
+  uint32_t genericVersion =
+      getEFlags(ctx.objectFiles[0]) & EF_AMDGPU_GENERIC_VERSION;
+
+  // Verify that all input files have compatible generic version.
+  for (InputFile *f : ArrayRef(ctx.objectFiles).slice(1)) {
+    if (genericVersion != (getEFlags(f) & EF_AMDGPU_GENERIC_VERSION)) {
+      // TODO: test
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arsenm wrote:

This is tested?

https://github.com/llvm/llvm-project/pull/76954