xref: /llvm-project/llvm/test/CodeGen/DirectX/step.ll (revision 381156c130553179fe3499403cf530deb73f1a3f) 
1; RUN: opt -S  -dxil-intrinsic-expansion  < %s | FileCheck %s --check-prefix=CHECK
2; RUN: opt -S  -dxil-intrinsic-expansion -dxil-op-lower -mtriple=dxil-pc-shadermodel6.3-library < %s | FileCheck %s --check-prefix=CHECK
3
4; Make sure dxil operation function calls for step are generated for half/float.
5
6declare half @llvm.dx.step.f16(half, half)
7declare <2 x half> @llvm.dx.step.v2f16(<2 x half>, <2 x half>)
8declare <3 x half> @llvm.dx.step.v3f16(<3 x half>, <3 x half>)
9declare <4 x half> @llvm.dx.step.v4f16(<4 x half>, <4 x half>)
10
11declare float @llvm.dx.step.f32(float, float)
12declare <2 x float> @llvm.dx.step.v2f32(<2 x float>, <2 x float>)
13declare <3 x float> @llvm.dx.step.v3f32(<3 x float>, <3 x float>)
14declare <4 x float> @llvm.dx.step.v4f32(<4 x float>, <4 x float>)
15
16define noundef half @test_step_half(half noundef %p0, half noundef %p1) {
17entry:
18  ; CHECK: %0 = fcmp olt half %p1, %p0
19  ; CHECK: %1 = select i1 %0, half 0xH0000, half 0xH3C00
20  %hlsl.step = call half @llvm.dx.step.f16(half %p0, half %p1)
21  ret half %hlsl.step
22}
23
24define noundef <2 x half> @test_step_half2(<2 x half> noundef %p0, <2 x half> noundef %p1) {
25entry:
26  ; CHECK: %0 = fcmp olt <2 x half> %p1, %p0
27  ; CHECK: %1 = select <2 x i1> %0, <2 x half> zeroinitializer, <2 x half> splat (half 0xH3C00)
28  %hlsl.step = call <2 x half> @llvm.dx.step.v2f16(<2 x half> %p0, <2 x half> %p1)
29  ret <2 x half> %hlsl.step
30}
31
32define noundef <3 x half> @test_step_half3(<3 x half> noundef %p0, <3 x half> noundef %p1) {
33entry:
34  ; CHECK: %0 = fcmp olt <3 x half> %p1, %p0
35  ; CHECK: %1 = select <3 x i1> %0, <3 x half> zeroinitializer, <3 x half> splat (half 0xH3C00)
36  %hlsl.step = call <3 x half> @llvm.dx.step.v3f16(<3 x half> %p0, <3 x half> %p1)
37  ret <3 x half> %hlsl.step
38}
39
40define noundef <4 x half> @test_step_half4(<4 x half> noundef %p0, <4 x half> noundef %p1) {
41entry:
42  ; CHECK: %0 = fcmp olt <4 x half> %p1, %p0
43  ; CHECK: %1 = select <4 x i1> %0, <4 x half> zeroinitializer, <4 x half> splat (half 0xH3C00)
44  %hlsl.step = call <4 x half> @llvm.dx.step.v4f16(<4 x half> %p0, <4 x half> %p1)
45  ret <4 x half> %hlsl.step
46}
47
48define noundef float @test_step_float(float noundef %p0, float noundef %p1) {
49entry:
50  ; CHECK: %0 = fcmp olt float %p1, %p0
51  ; CHECK: %1 = select i1 %0, float 0.000000e+00, float 1.000000e+00
52  %hlsl.step = call float @llvm.dx.step.f32(float %p0, float %p1)
53  ret float %hlsl.step
54}
55
56define noundef <2 x float> @test_step_float2(<2 x float> noundef %p0, <2 x float> noundef %p1) {
57entry:
58  ; CHECK: %0 = fcmp olt <2 x float> %p1, %p0
59  ; CHECK: %1 = select <2 x i1> %0, <2 x float> zeroinitializer, <2 x float> splat (float 1.000000e+00)
60  %hlsl.step = call <2 x float> @llvm.dx.step.v2f32(<2 x float> %p0, <2 x float> %p1)
61  ret <2 x float> %hlsl.step
62}
63
64define noundef <3 x float> @test_step_float3(<3 x float> noundef %p0, <3 x float> noundef %p1) {
65entry:
66  ; CHECK: %0 = fcmp olt <3 x float> %p1, %p0
67  ; CHECK: %1 = select <3 x i1> %0, <3 x float> zeroinitializer, <3 x float> splat (float 1.000000e+00)
68  %hlsl.step = call <3 x float> @llvm.dx.step.v3f32(<3 x float> %p0, <3 x float> %p1)
69  ret <3 x float> %hlsl.step
70}
71
72define noundef <4 x float> @test_step_float4(<4 x float> noundef %p0, <4 x float> noundef %p1) {
73entry:
74  ; CHECK: %0 = fcmp olt <4 x float> %p1, %p0
75  ; CHECK: %1 = select <4 x i1> %0, <4 x float> zeroinitializer, <4 x float> splat (float 1.000000e+00)
76  %hlsl.step = call <4 x float> @llvm.dx.step.v4f32(<4 x float> %p0, <4 x float> %p1)
77  ret <4 x float> %hlsl.step
78}
79