[clang] [CIR] Support for static variables (PR #143980)

[Erich Keane via cfe-commits]

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@@ -208,8 +208,25 @@ void CIRGenFunction::emitVarDecl(const VarDecl &d) {
   if (d.hasExternalStorage())
     return;
 
-  if (d.getStorageDuration() != SD_Automatic)
-    cgm.errorNYI(d.getSourceRange(), "emitVarDecl automatic storage duration");
+  if (d.getStorageDuration() != SD_Automatic) {
+    // Static sampler variables translated to function calls.
+    if (d.getType()->isSamplerT()) {
+      // Nothing needs to be done here, but let's flag it as an error until we
+      // have a test. It requires OpenCL support.
+      cgm.errorNYI(d.getSourceRange(), "emitVarDecl static sampler type");
+      return;
+    }
+
+    cir::GlobalLinkageKind linkage =
+        cgm.getCIRLinkageVarDefinition(&d, /*IsConstant=*/false);
+
+    // FIXME: We need to force the emission/use of a guard variable for
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erichkeane wrote:

is this a 'real' fixme from the existing source, or should we have a 'not implemented' or something here?

https://github.com/llvm/llvm-project/pull/143980