[clang] [llvm] [CodeGen][LLVM] Make the `va_list` related intrinsics generic. (PR #85460)

[Jessica Clarke via cfe-commits]

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@@ -0,0 +1,22 @@
+// REQUIRES: spirv-registered-target
+// RUN: %clang_cc1 -triple spirv64-unknown-unknown -fcuda-is-device -emit-llvm -o - %s | FileCheck %s
+struct x {
+  double b;
+  long a;
+};
+
+void testva(int n, ...) {
+  __builtin_va_list ap;
+  __builtin_va_start(ap, n);
+  struct x t = __builtin_va_arg(ap, struct x);
+  __builtin_va_list ap2;
+  __builtin_va_copy(ap2, ap);
+  int v = __builtin_va_arg(ap2, int);
+  __builtin_va_end(ap2);
+  __builtin_va_end(ap);
+}
+
+// CHECK:  call void @llvm.va_start.p4(ptr addrspace(4) %ap{{.*}})
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jrtc27 wrote:

Use update_cc_test_checks.py?

https://github.com/llvm/llvm-project/pull/85460