[clang] [llvm] Hlsl asint16 intrinsic (PR #131900)

[Farzon Lotfi via llvm-commits]

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@@ -0,0 +1,49 @@
+// RUN: %clang_cc1 -finclude-default-header -x hlsl -triple dxil-pc-shadermodel6.2-library %s -fnative-half-type -emit-llvm -O1 -o - | FileCheck %s
+
+// CHECK: define {{.*}}test_ints{{.*}}(i16 {{.*}} [[VAL:%.*]]){{.*}}
+// CHECK-NOT: bitcast
+// CHECK: ret i16 [[VAL]]
+int16_t test_int(int16_t p0)
+{
+    return asint16(p0);
+}
+
+//CHECK: define {{.*}}test_uint{{.*}}(i16 {{.*}} [[VAL:%.*]]){{.*}}
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farzonl wrote:

Just noticed this sorry for the late change request but thisis a case that makes more sense to do `CHECK-LABEL:`  for the start of all these functions. That might impact how you are preserving `VAL`  so  also look into `CHECK-SAME` There should be other examples in the codebase.

https://github.com/llvm/llvm-project/pull/131900