================
@@ -0,0 +1,15 @@
+; RUN: not opt -S -dxil-op-lower -mtriple=dxil-pc-shadermodel6.3-library %s
2>&1 | FileCheck %s
+
+; DXIL operation ddx.coarse does not support double overload type
+; CHECK: in function ddx.coarse
+; CHECK-SAME: Cannot create DerivCoarseX operation: Invalid overload type
+
+; Function Attrs: noinline nounwind optnone
+define noundef double @ddx.coarse_double(double noundef %a) #0 {
+entry:
+ %a.addr = alloca double, align 8
+ store double %a, ptr %a.addr, align 8
+ %0 = load double, ptr %a.addr, align 8
+ %dx.ddx.coarse = call double @llvm.dx.ddx.coarse.f64(double %0)
+ ret double %dx.ddx.coarse
+}
----------------
farzonl wrote:
new line is still needed.
https://github.com/llvm/llvm-project/pull/164831
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