================
@@ -0,0 +1,118 @@
+; RUN: opt -S -dxil-intrinsic-expansion < %s | FileCheck %s
--check-prefixes=CHECK,EXPCHECK
+; RUN: opt -S -dxil-op-lower -mtriple=dxil-pc-shadermodel6.3-library < %s |
FileCheck %s --check-prefixes=CHECK,DOPCHECK
+
+; Make sure dxil operation function calls for normalize are generated for
half/float.
+
+declare half @llvm.dx.normalize.f16(half)
+declare <2 x half> @llvm.dx.normalize.v2f16(<2 x half>)
+declare <3 x half> @llvm.dx.normalize.v3f16(<3 x half>)
+declare <4 x half> @llvm.dx.normalize.v4f16(<4 x half>)
+
+declare float @llvm.dx.normalize.f32(float)
+declare <2 x float> @llvm.dx.normalize.v2f32(<2 x float>)
+declare <3 x float> @llvm.dx.normalize.v3f32(<3 x float>)
+declare <4 x float> @llvm.dx.normalize.v4f32(<4 x float>)
+
+define noundef half @test_normalize_half(half noundef %p0) {
+entry:
+ ; CHECK: fdiv half %p0, %p0
+ %hlsl.normalize = call half @llvm.dx.normalize.f16(half %p0)
+ ret half %hlsl.normalize
+}
+
+define noundef <2 x half> @test_normalize_half2(<2 x half> noundef %p0) {
+entry:
+ ; CHECK: extractelement <2 x half> %{{.*}}, i64 0
+ ; EXPCHECK: call half @llvm.dx.dot2.v2f16(<2 x half> %{{.*}}, <2 x half>
%{{.*}})
+ ; DOPCHECK: call half @dx.op.dot2.f16(i32 54, half %{{.*}}, half %{{.*}},
half %{{.*}}, half %{{.*}})
+ ; EXPCHECK: call half @llvm.dx.rsqrt.f16(half %{{.*}})
+ ; DOPCHECK: call half @dx.op.unary.f16(i32 25, half %{{.*}})
+ ; CHECK: insertelement <2 x half> poison, half %{{.*}}, i64 0
----------------
farzonl wrote:
So i saw you emitted splat so that you can multiply `p0` by `rsqrt(dot2(p0)`
Are there any more instructions? maybe a second insert element? could you add
a var instead of `%{{.*}}` so its clear if we are working on a scalar or a
vector
https://github.com/llvm/llvm-project/pull/102683
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