[clang] [HLSL] Implement the 'and' HLSL function (PR #127098)

[Deric Cheung via cfe-commits]

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@@ -0,0 +1,27 @@
+// RUN: %clang_cc1 -finclude-default-header -triple \
+// RUN:   dxil-pc-shadermodel6.3-library %s \
+// RUN:   -emit-llvm -O1 -verify
+
+bool test_too_few_arg(bool a) {
+  return __builtin_hlsl_and(a);
+  // expected-error at -1 {{too few arguments to function call, expected 2, have 1}}
+}
+
+bool test_too_many_arg(bool a) {
+  return __builtin_hlsl_and(a, a, a);
+  // expected-error at -1 {{too many arguments to function call, expected 2, have 3}}
+}
+
+bool2 test_mismatched_args(bool2 a, bool3 b) {
+  return __builtin_hlsl_and(a, b);
+  // expected-error at -1 {{all arguments to '__builtin_hlsl_and' must have the same type}}
+}
+
+struct S {
+  bool a;
+};
+
+bool test_invalid_type_conversion(S s) {
+  return __builtin_hlsl_and(s, s);
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Icohedron wrote:

Though I thought there would be something to catch errors like this when the argument type doesn't match any of the ones declared in `hlsl_intrinsics.h`

https://github.com/llvm/llvm-project/pull/127098