[clang] [llvm] [HLSL] Implement the `degrees` intrinsic (PR #111209)

[Greg Roth via cfe-commits]

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@@ -0,0 +1,68 @@
+; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv-unknown-unknown %s -o - | FileCheck %s
+; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-unknown-unknown %s -o - -filetype=obj | spirv-val %}
+
+; CHECK-DAG: %[[#op_ext_glsl:]] = OpExtInstImport "GLSL.std.450"
+
+; CHECK-DAG: %[[#float_32:]] = OpTypeFloat 32
+; CHECK-DAG: %[[#float_16:]] = OpTypeFloat 16
+; CHECK-DAG: %[[#float_64:]] = OpTypeFloat 64
+
+; CHECK-DAG: %[[#vec4_float_32:]] = OpTypeVector %[[#float_32]] 4
+; CHECK-DAG: %[[#vec4_float_16:]] = OpTypeVector %[[#float_16]] 4
+; CHECK-DAG: %[[#vec4_float_64:]] = OpTypeVector %[[#float_64]] 4
+
+define noundef float @degrees_float(float noundef %a) {
+entry:
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pow2clk wrote:

It's not essential, but separating these with some `CHECK-LABEL`s for the function definitions even if they are nothing more than `; CHECK: define{{.*}} degrees_float` would help with potential future failures particularly if the only initial information is an automated testing failure.

https://github.com/llvm/llvm-project/pull/111209