; Test that signedness of calls to read_image(u)i/write_image(u)i is preserved.

; RUN: llvm-spirv %s -o %t.spv
; RUN: spirv-val %t.spv
; RUN: llvm-spirv -r %t.spv -o %t.rev.bc
; RUN: llvm-dis < %t.rev.bc | FileCheck %s --check-prefix=CHECK-LLVM
; RUN: llvm-spirv -r --spirv-target-env=SPV-IR %t.spv -o %t.rev.bc
; RUN: llvm-dis < %t.rev.bc | FileCheck %s --check-prefix=CHECK-SPV-IR
; FIXME: FILECHECK_FAIL during llvm-spirv -r in llc compilation flow

; ModuleID = 'image_signedness.ll'
target datalayout = "e-p:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024"
target triple = "spir-unknown-unknown"

%opencl.image1d_ro_t = type opaque
%opencl.image1d_array_rw_t = type opaque
%opencl.sampler_t = type opaque
%opencl.image2d_wo_t = type opaque

; CHECK-LLVM-LABEL: @imagereads
; CHECK-LLVM: call spir_func <4 x i32> @_Z12read_imageui14ocl_image1d_ro11ocl_sampleri(
; CHECK-LLVM: call spir_func <4 x i32> @_Z11read_imagei14ocl_image1d_ro11ocl_sampleri(
; CHECK-LLVM: call spir_func <4 x i32> @_Z12read_imageui20ocl_image1d_array_rwDv2_i(
; CHECK-LLVM: call spir_func <4 x i32> @_Z12read_imageui14ocl_image1d_roi(
; CHECK-LLVM: call spir_func <4 x i32> @_Z11read_imagei14ocl_image1d_roi(
; CHECK-SPV-IR: call spir_func <4 x i32> @_Z37__spirv_ImageSampleExplicitLod_Ruint4PU3AS140__spirv_SampledImage__void_0_0_0_0_0_0_0iif(
; CHECK-SPV-IR: call spir_func <4 x i32> @_Z36__spirv_ImageSampleExplicitLod_Rint4PU3AS140__spirv_SampledImage__void_0_0_0_0_0_0_0iif(
; CHECK-SPV-IR: call spir_func <4 x i32> @_Z24__spirv_ImageRead_Ruint4PU3AS133__spirv_Image__void_0_0_1_0_0_0_2Dv2_ii(
; CHECK-SPV-IR: call spir_func <4 x i32> @_Z24__spirv_ImageRead_Ruint4PU3AS133__spirv_Image__void_0_0_0_0_0_0_0ii(
; CHECK-SPV-IR: call spir_func <4 x i32> @_Z23__spirv_ImageRead_Rint4PU3AS133__spirv_Image__void_0_0_0_0_0_0_0ii(

; Function Attrs: convergent nounwind
define dso_local spir_kernel void @imagereads(ptr addrspace(1) %im, ptr addrspace(1) %ima, ptr addrspace(1) captures(none) %res, ptr addrspace(1) captures(none) %resu) local_unnamed_addr #0 !kernel_arg_addr_space !4 !kernel_arg_access_qual !5 !kernel_arg_type !6 !kernel_arg_base_type !7 !kernel_arg_type_qual !8 {
entry:
  %0 = tail call ptr addrspace(2) @__translate_sampler_initializer(i32 19) #2
  %call = tail call spir_func <4 x i32> @_Z12read_imageui14ocl_image1d_ro11ocl_sampleri(ptr addrspace(1) %im, ptr addrspace(2) %0, i32 42) #3
  store <4 x i32> %call, ptr addrspace(1) %res, align 16, !tbaa !9
  %call1 = tail call spir_func <4 x i32> @_Z11read_imagei14ocl_image1d_ro11ocl_sampleri(ptr addrspace(1) %im, ptr addrspace(2) %0, i32 43) #3
  store <4 x i32> %call1, ptr addrspace(1) %resu, align 16, !tbaa !9
  %call2 = tail call spir_func <4 x i32> @_Z12read_imageui20ocl_image1d_array_rwDv2_i(ptr addrspace(1) %ima, <2 x i32> undef) #3
  store <4 x i32> %call2, ptr addrspace(1) %resu, align 16, !tbaa !9
  %call3 = tail call spir_func <4 x i32> @_Z12read_imageui14ocl_image1d_roi(ptr addrspace(1) %im, i32 44) #3
  store <4 x i32> %call3, ptr addrspace(1) %res, align 16, !tbaa !9
  %call4 = tail call spir_func <4 x i32> @_Z11read_imagei14ocl_image1d_roi(ptr addrspace(1) %im, i32 45) #3
  store <4 x i32> %call4, ptr addrspace(1) %resu, align 16, !tbaa !9
  ret void
}

; CHECK-LLVM-LABEL: @imagewrites
; CHECK-LLVM: call spir_func void @_Z12write_imagei14ocl_image2d_woDv2_iDv4_i(
; CHECK-LLVM: call spir_func void @_Z13write_imageui14ocl_image2d_woDv2_iDv4_j(
; CHECK-SPV-IR: call spir_func void @_Z18__spirv_ImageWritePU3AS133__spirv_Image__void_1_0_0_0_0_0_1Dv2_iDv4_ii(
; CHECK-SPV-IR: call spir_func void @_Z18__spirv_ImageWritePU3AS133__spirv_Image__void_1_0_0_0_0_0_1Dv2_iDv4_ji(

; Function Attrs: alwaysinline convergent nounwind
define spir_kernel void @imagewrites(i32 %offset, ptr addrspace(1) captures(none) readonly %input, ptr addrspace(1) captures(none) readonly %inputu, ptr addrspace(1) %output) local_unnamed_addr #0 !kernel_arg_addr_space !14 !kernel_arg_access_qual !15 !kernel_arg_type !16 !kernel_arg_base_type !17 !kernel_arg_type_qual !18 !kernel_arg_name !19 !kernel_attributes !20 {
  entry:
  %idxprom = sext i32 %offset to i64
  %arrayidx = getelementptr inbounds <4 x i32>, ptr addrspace(1) %input, i64 %idxprom
  %0 = load <4 x i32>, ptr addrspace(1) %arrayidx, align 16
  tail call void @_Z12write_imagei14ocl_image2d_woDv2_iDv4_i(ptr addrspace(1) %output, <2 x i32> <i32 11, i32 11>, <4 x i32> %0) #3
  %arrayidx3 = getelementptr inbounds <4 x i32>, ptr addrspace(1) %inputu, i64 %idxprom
  %1 = load <4 x i32>, ptr addrspace(1) %arrayidx3, align 16
  tail call void @_Z13write_imageui14ocl_image2d_woDv2_iDv4_j(ptr addrspace(1) %output, <2 x i32> <i32 22, i32 22>, <4 x i32> %1) #3
  ret void
}

declare dso_local ptr addrspace(2) @__translate_sampler_initializer(i32) local_unnamed_addr

; Function Attrs: convergent nounwind readonly
declare dso_local spir_func <4 x i32> @_Z12read_imageui14ocl_image1d_ro11ocl_sampleri(ptr addrspace(1), ptr addrspace(2), i32) local_unnamed_addr #1

; Function Attrs: convergent nounwind readonly
declare dso_local spir_func <4 x i32> @_Z11read_imagei14ocl_image1d_ro11ocl_sampleri(ptr addrspace(1), ptr addrspace(2), i32) local_unnamed_addr #1

; Function Attrs: alwaysinline convergent nounwind readonly
declare <4 x i32> @_Z12read_imageui14ocl_image1d_roi(ptr addrspace(1), i32) local_unnamed_addr #1

; Function Attrs: alwaysinline convergent nounwind readonly
declare <4 x i32> @_Z11read_imagei14ocl_image1d_roi(ptr addrspace(1), i32) local_unnamed_addr #1

; Function Attrs: alwaysinline convergent nounwind readonly
declare <4 x i32> @_Z12read_imageui20ocl_image1d_array_rwDv2_i(ptr addrspace(1), <2 x i32>) local_unnamed_addr #1

; Function Attrs: alwaysinline convergent
declare void @_Z12write_imagei14ocl_image2d_woDv2_iDv4_i(ptr addrspace(1), <2 x i32>, <4 x i32>) local_unnamed_addr

; Function Attrs: alwaysinline convergent
declare void @_Z13write_imageui14ocl_image2d_woDv2_iDv4_j(ptr addrspace(1), <2 x i32>, <4 x i32>) local_unnamed_addr

attributes #0 = { convergent nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "denorms-are-zero"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "min-legal-vector-width"="128" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "uniform-work-group-size"="true" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { convergent nounwind readonly "correctly-rounded-divide-sqrt-fp-math"="false" "denorms-are-zero"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #2 = { nounwind }
attributes #3 = { convergent nounwind readonly }

!llvm.module.flags = !{!0}
!opencl.ocl.version = !{!1}
!opencl.spir.version = !{!2}
!llvm.ident = !{!3}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 1, i32 0}
!2 = !{i32 1, i32 2}
!3 = !{!"clang version 8.0.0 (https://git.llvm.org/git/clang.git 2d5099826365b50ff253e48c0832255600e68202) (https://git.llvm.org/git/llvm.git 787527b1af60b0b9d4a35b7fef3fb51cfde43784)"}
!4 = !{i32 1, i32 1, i32 1, i32 1}
!5 = !{!"read_only", !"read_write", !"none", !"none"}
!6 = !{!"image1d_t", !"image1d_array_t", !"uint4*", !"uint4*"}
!7 = !{!"image1d_t", !"image1d_array_t", !"uint __attribute__((ext_vector_type(4)))*", !"uint __attribute__((ext_vector_type(4)))*"}
!8 = !{!"", !"", !"", !""}
!9 = !{!10, !10, i64 0}
!10 = !{!"omnipotent char", !11, i64 0}
!11 = !{!"Simple C/C++ TBAA"}
!14 = !{i32 0, i32 1, i32 1, i32 1}
!15 = !{!"none", !"none", !"none", !"write_only"}
!16 = !{!"int", !"int4*", !"uint4*", !"image2d_t"}
!17 = !{!"int", !"int __attribute__((ext_vector_type(4)))*", !"uint __attribute__((ext_vector_type(4)))*", !"image2d_t"}
!18 = !{!"", !"", !"", !""}
!19 = !{!"offset", !"input", !"inputu", !"output"}
!20 = !{!""}