[clang] [clang][HLSL] Add radians intrinsic (PR #110802)

[Farzon Lotfi via cfe-commits]

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@@ -0,0 +1,27 @@
+// RUN: %clang_cc1 -finclude-default-header -triple dxil-pc-shadermodel6.6-library %s -fnative-half-type -emit-llvm-only -disable-llvm-passes -verify -verify-ignore-unexpected
+
+float test_too_few_arg() {
+  return __builtin_hlsl_elementwise_radians();
+  // expected-error at -1 {{too few arguments to function call, expected 1, have 0}}
+}
+
+float2 test_too_many_arg(float2 p0) {
+  return __builtin_hlsl_elementwise_radians(p0, p0);
+  // expected-error at -1 {{too many arguments to function call, expected 1, have 2}}
+}
+
+float builtin_bool_to_float_type_promotion(bool p1) {
+  return __builtin_hlsl_elementwise_radians(p1);
+  // expected-error at -1 {passing 'bool' to parameter of incompatible type 'float'}}
+}
+
+float builtin_radians_int_to_float_promotion(int p1) {
+  return __builtin_hlsl_elementwise_radians(p1);
+  // expected-error at -1 {{passing 'int' to parameter of incompatible type 'float'}}
+}
+
+float2 builtin_radians_int2_to_float2_promotion(int2 p1) {
+  return __builtin_hlsl_elementwise_radians(p1);
+  // expected-error at -1 {{passing 'int2' (aka 'vector<int, 2>') to parameter of incompatible type '__attribute__((__vector_size__(2 * sizeof(float)))) float' (vector of 2 'float' values)}}
+}
+
----------------
farzonl wrote:

There is a file called `clang\test\SemaHLSL\BuiltIns\half-float-only-errors.hlsl` Add `__builtin_hlsl_elementwise_radians` to that file.

https://github.com/llvm/llvm-project/pull/110802