[llvm] [ORC] Add signext on @sum() arguments in test. (PR #113308)

[Lang Hames via llvm-commits]

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@@ -90,6 +90,35 @@ class OrcCAPITestBase : public testing::Test {
 
     LLVMOrcDisposeLLJIT(J);
     TargetSupported = true;
+
+    // Create test functions in text format, with the proper extension
+    // attributes.
+    if (SumExample.empty()) {
+      std::string I32RetExt = "";
+      std::string I32ArgExt = "";
+      if (StringRef(TargetTriple).starts_with("s390x-ibm-linux"))
+        I32RetExt = I32ArgExt = "signext ";
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lhames wrote:

Just re-read your comment -- I think a common utility like the above could be handy, but doesn't apply in this C API test where we don't have an `llvm::Triple` available.

https://github.com/llvm/llvm-project/pull/113308