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-rw-r--r--tests/hlsl/float-literal-suffix.slang10
1 files changed, 10 insertions, 0 deletions
diff --git a/tests/hlsl/float-literal-suffix.slang b/tests/hlsl/float-literal-suffix.slang
new file mode 100644
index 000000000..52ae4823f
--- /dev/null
+++ b/tests/hlsl/float-literal-suffix.slang
@@ -0,0 +1,10 @@
+//TEST:SIMPLE(filecheck=HLSL):-target hlsl -profile ps_6_6 -entry fragmentMain
+//TEST:SIMPLE(filecheck=DXIL):-target dxil -profile ps_6_6 -entry fragmentMain
+
+float4 fragmentMain(float2 uv : TEXCOORD) : SV_Target
+{
+ //HLSL:, ddx({{.*}}1.5f)
+ //DXIL: = call float @dx.op.unary.f32(i32 {{.*}} ; DerivCoarseX(value)
+ float val = 1.5;
+ return float4(1.0, ddx(val), 0.0, 1.0);
+} \ No newline at end of file