xref: /aosp_15_r20/external/llvm/test/CodeGen/AMDGPU/split-smrd.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)

; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck %s

; FIXME: Move this to sgpr-copy.ll when this is fixed on VI.
; Make sure that when we split an smrd instruction in order to move it to
; the VALU, we are also moving its users to the VALU.
; CHECK-LABEL: {{^}}split_smrd_add_worklist:
; CHECK: image_sample v{{[0-9]+}}, v[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}] dmask:0x1

define amdgpu_ps void @split_smrd_add_worklist([34 x <8 x i32>] addrspace(2)* byval %arg) #0 {
bb:
  %tmp = call float @llvm.SI.load.const(<16 x i8> undef, i32 96)
  %tmp1 = bitcast float %tmp to i32
  br i1 undef, label %bb2, label %bb3

bb2:                                              ; preds = %bb
  unreachable

bb3:                                              ; preds = %bb
  %tmp4 = bitcast float %tmp to i32
  %tmp5 = add i32 %tmp4, 4
  %tmp6 = sext i32 %tmp5 to i64
  %tmp7 = getelementptr [34 x <8 x i32>], [34 x <8 x i32>] addrspace(2)* %arg, i64 0, i64 %tmp6
  %tmp8 = load <8 x i32>, <8 x i32> addrspace(2)* %tmp7, align 32, !tbaa !0
  %tmp9 = call <4 x float> @llvm.SI.image.sample.v2i32(<2 x i32> <i32 1061158912, i32 1048576000>, <8 x i32> %tmp8, <4 x i32> undef, i32 15, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0)
  %tmp10 = extractelement <4 x float> %tmp9, i32 0
  %tmp12 = call i32 @llvm.SI.packf16(float %tmp10, float undef)
  %tmp13 = bitcast i32 %tmp12 to float
  call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 1, float undef, float %tmp13, float undef, float undef)
  ret void
}

; Function Attrs: nounwind readnone
declare float @llvm.SI.load.const(<16 x i8>, i32) #1

declare void @llvm.SI.export(i32, i32, i32, i32, i32, float, float, float, float)

declare <4 x float> @llvm.SI.image.sample.v2i32(<2 x i32>, <8 x i32>, <4 x i32>, i32, i32, i32, i32, i32, i32, i32, i32) #1

declare i32 @llvm.SI.packf16(float, float) #1

attributes #0 = { nounwind }
attributes #1 = { nounwind readnone }

!0 = !{!1, !1, i64 0, i32 1}
!1 = !{!"const", null}
!2 = !{!1, !1, i64 0}