[clang] [llvm] [HLSL] Implement dot2add intrinsic (PR #131237)

[Ashley Coleman via llvm-commits]

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@@ -0,0 +1,11 @@
+// RUN: %clang_cc1 -finclude-default-header -triple dxil-pc-shadermodel6.6-library %s -emit-llvm-only -disable-llvm-passes -verify
+
+bool test_too_few_arg() {
+  return __builtin_hlsl_dot2add();
+  // expected-error at -1 {{too few arguments to function call, expected 3, have 0}}
+}
+
+bool test_too_many_arg(half2 p1, half2 p2, float p3) {
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V-FEXrt wrote:

please add a test with the wrong types as well

https://github.com/llvm/llvm-project/pull/131237