[llvm-branch-commits] [clang] [CIR][CUDA] Handle CUDA module constructor and destructor emission. (PR #188673)

[David Rivera via llvm-branch-commits]

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@@ -1792,8 +1797,122 @@ void LoweringPreparePass::buildCUDAModuleCtor() {
   gpuBinHandle.setInitialValueAttr(builder.getConstNullPtrAttr(voidPtrPtrTy));
   gpuBinHandle.setPrivate();
 
-  // TODO: ctor/dtor/register_globals
-  assert(!cir::MissingFeatures::globalRegistration());
+  // Declare this function:
+  //    void **__{cuda|hip}RegisterFatBinary(void *);
+
+  std::string regFuncName =
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RiverDave wrote:

The thing here is that `addUnderscoredPrefix` returns an `std::string` by value. The ADT docs imply that StringRef does not own its data so in a statement like this:
`StringRef foo = addUnderscoredPrefix(...);`

foo would point to a dangling reference after that statement as it has no owner.



https://github.com/llvm/llvm-project/pull/188673