[clang] [HLSL] Implementation of the fmod intrinsic (PR #108849)

[Zhengxing li via cfe-commits]

================
@@ -0,0 +1,38 @@
+
+// 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() {
----------------
lizhengxing wrote:

Done. Add 2 double type tests

https://github.com/llvm/llvm-project/pull/108849