xref: /llvm-project/llvm/test/CodeGen/SPIRV/transcoding/OpImageReadMS.ll (revision ba572abeb4fa698d04222877d10d1c547b6c2c01)
1; RUN: llc -O0 -mtriple=spirv32-unknown-unknown %s -o - | FileCheck %s --check-prefix=CHECK-SPIRV
2
3; CHECK-SPIRV: OpCapability StorageImageReadWithoutFormat
4; CHECK-SPIRV: %[[#]] = OpImageRead %[[#]] %[[#]] %[[#]] Sample %[[#]]
5
6define spir_kernel void @sample_test(target("spirv.Image", void, 1, 0, 0, 1, 0, 0, 0) %source, i32 %sampler, <4 x float> addrspace(1)* nocapture %results) {
7entry:
8  %call = tail call spir_func i32 @_Z13get_global_idj(i32 0)
9  %call1 = tail call spir_func i32 @_Z13get_global_idj(i32 1)
10  %call2 = tail call spir_func i32 @_Z15get_image_width19ocl_image2d_msaa_ro(target("spirv.Image", void, 1, 0, 0, 1, 0, 0, 0) %source)
11  %call3 = tail call spir_func i32 @_Z16get_image_height19ocl_image2d_msaa_ro(target("spirv.Image", void, 1, 0, 0, 1, 0, 0, 0) %source)
12  %call4 = tail call spir_func i32 @_Z21get_image_num_samples19ocl_image2d_msaa_ro(target("spirv.Image", void, 1, 0, 0, 1, 0, 0, 0) %source)
13  %cmp20 = icmp eq i32 %call4, 0
14  br i1 %cmp20, label %for.end, label %for.body.lr.ph
15
16for.body.lr.ph:                                   ; preds = %entry
17  %vecinit = insertelement <2 x i32> undef, i32 %call, i32 0
18  %vecinit8 = insertelement <2 x i32> %vecinit, i32 %call1, i32 1
19  br label %for.body
20
21for.body:                                         ; preds = %for.body.lr.ph, %for.body
22  %sample.021 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
23  %mul5 = mul i32 %sample.021, %call3
24  %tmp = add i32 %mul5, %call1
25  %tmp19 = mul i32 %tmp, %call2
26  %add7 = add i32 %tmp19, %call
27  %call9 = tail call spir_func <4 x float> @_Z11read_imagef19ocl_image2d_msaa_roDv2_ii(target("spirv.Image", void, 1, 0, 0, 1, 0, 0, 0) %source, <2 x i32> %vecinit8, i32 %sample.021)
28  %arrayidx = getelementptr inbounds <4 x float>, <4 x float> addrspace(1)* %results, i32 %add7
29  store <4 x float> %call9, <4 x float> addrspace(1)* %arrayidx, align 16
30  %inc = add nuw i32 %sample.021, 1
31  %cmp = icmp ult i32 %inc, %call4
32  br i1 %cmp, label %for.body, label %for.end.loopexit
33
34for.end.loopexit:                                 ; preds = %for.body
35  br label %for.end
36
37for.end:                                          ; preds = %for.end.loopexit, %entry
38  ret void
39}
40
41declare spir_func i32 @_Z13get_global_idj(i32)
42
43declare spir_func i32 @_Z15get_image_width19ocl_image2d_msaa_ro(target("spirv.Image", void, 1, 0, 0, 1, 0, 0, 0))
44
45declare spir_func i32 @_Z16get_image_height19ocl_image2d_msaa_ro(target("spirv.Image", void, 1, 0, 0, 1, 0, 0, 0))
46
47declare spir_func i32 @_Z21get_image_num_samples19ocl_image2d_msaa_ro(target("spirv.Image", void, 1, 0, 0, 1, 0, 0, 0))
48
49declare spir_func <4 x float> @_Z11read_imagef19ocl_image2d_msaa_roDv2_ii(target("spirv.Image", void, 1, 0, 0, 1, 0, 0, 0), <2 x i32>, i32)
50