[clang] [llvm] [HLSL] Implement ddx/ddy_coarse intrinsics (PR #164831)

[Alexander Johnston via llvm-commits]

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@@ -0,0 +1,61 @@
+// RUN: %clang_cc1 -finclude-default-header  -x hlsl  -triple dxil-pc-shadermodel6.3-library %s \
+// RUN:  -emit-llvm -disable-llvm-passes -fnative-half-type -o - | \
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Alexander-Johnston wrote:

Added a second run line with spirv target to each of the 4 tests in this folder, all checking for the `llvm.spv.` variant

https://github.com/llvm/llvm-project/pull/164831