llvm-project/llvm/test/CodeGen/AMDGPU/uint_to_fp.ll

; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=R600 -check-prefix=FUNC %s

; FUNC-LABEL: {{^}}s_uint_to_fp_i32_to_f32:
; SI: v_cvt_f32_u32_e32

; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW]}}, KC0[2].Z
define void @s_uint_to_fp_i32_to_f32(float addrspace(1)* %out, i32 %in) #0 {
  %result = uitofp i32 %in to float
  store float %result, float addrspace(1)* %out
  ret void
}

; FUNC-LABEL: {{^}}v_uint_to_fp_i32_to_f32:
; SI: v_cvt_f32_u32_e32 {{v[0-9]+}}, {{v[0-9]+$}}

; R600: INT_TO_FLT
define void @v_uint_to_fp_i32_to_f32(float addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
  %tid = call i32 @llvm.r600.read.tidig.x()
  %in.gep = getelementptr i32, i32 addrspace(1)* %in, i32 %tid
  %out.gep = getelementptr float, float addrspace(1)* %out, i32 %tid
  %val = load i32, i32 addrspace(1)* %in.gep
  %result = uitofp i32 %val to float
  store float %result, float addrspace(1)* %out.gep
  ret void
}

; FUNC-LABEL: {{^}}s_uint_to_fp_v2i32_to_v2f32:
; SI: v_cvt_f32_u32_e32
; SI: v_cvt_f32_u32_e32

; R600-DAG: UINT_TO_FLT * T{{[0-9]+\.[XYZW]}}, KC0[2].W
; R600-DAG: UINT_TO_FLT * T{{[0-9]+\.[XYZW]}}, KC0[3].X
define void @s_uint_to_fp_v2i32_to_v2f32(<2 x float> addrspace(1)* %out, <2 x i32> %in) #0 {
  %result = uitofp <2 x i32> %in to <2 x float>
  store <2 x float> %result, <2 x float> addrspace(1)* %out
  ret void
}

; FUNC-LABEL: {{^}}s_uint_to_fp_v4i32_to_v4f32:
; SI: v_cvt_f32_u32_e32
; SI: v_cvt_f32_u32_e32
; SI: v_cvt_f32_u32_e32
; SI: v_cvt_f32_u32_e32
; SI: s_endpgm

; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
define void @s_uint_to_fp_v4i32_to_v4f32(<4 x float> addrspace(1)* %out, <4 x i32> addrspace(1)* %in) #0 {
  %value = load <4 x i32>, <4 x i32> addrspace(1) * %in
  %result = uitofp <4 x i32> %value to <4 x float>
  store <4 x float> %result, <4 x float> addrspace(1)* %out
  ret void
}

; FUNC-LABEL: {{^}}v_uint_to_fp_v4i32:
; SI: v_cvt_f32_u32_e32
; SI: v_cvt_f32_u32_e32
; SI: v_cvt_f32_u32_e32
; SI: v_cvt_f32_u32_e32

; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
define void @v_uint_to_fp_v4i32(<4 x float> addrspace(1)* %out, <4 x i32> addrspace(1)* %in) #0 {
  %tid = call i32 @llvm.r600.read.tidig.x()
  %in.gep = getelementptr <4 x i32>, <4 x i32> addrspace(1)* %in, i32 %tid
  %out.gep = getelementptr <4 x float>, <4 x float> addrspace(1)* %out, i32 %tid
  %value = load <4 x i32>, <4 x i32> addrspace(1)* %in.gep
  %result = uitofp <4 x i32> %value to <4 x float>
  store <4 x float> %result, <4 x float> addrspace(1)* %out.gep
  ret void
}

; FUNC-LABEL: {{^}}s_uint_to_fp_i1_to_f32:
; SI: v_cmp_eq_u32_e64 [[CMP:s\[[0-9]+:[0-9]\]]],
; SI-NEXT: v_cndmask_b32_e64 [[RESULT:v[0-9]+]], 0, 1.0, [[CMP]]
; SI: buffer_store_dword [[RESULT]],
; SI: s_endpgm
define void @s_uint_to_fp_i1_to_f32(float addrspace(1)* %out, i32 %in) #0 {
  %cmp = icmp eq i32 %in, 0
  %fp = uitofp i1 %cmp to float
  store float %fp, float addrspace(1)* %out
  ret void
}

; FUNC-LABEL: {{^}}s_uint_to_fp_i1_to_f32_load:
; SI: v_cndmask_b32_e64 [[RESULT:v[0-9]+]], 0, 1.0
; SI: buffer_store_dword [[RESULT]],
; SI: s_endpgm
define void @s_uint_to_fp_i1_to_f32_load(float addrspace(1)* %out, i1 %in) #0 {
  %fp = uitofp i1 %in to float
  store float %fp, float addrspace(1)* %out
  ret void
}

; FUNC-LABEL: {{^}}v_uint_to_fp_i1_f32_load:
; SI: {{buffer|flat}}_load_ubyte
; SI: v_and_b32_e32 {{v[0-9]+}}, 1, {{v[0-9]+}}
; SI: v_cmp_eq_u32
; SI: v_cndmask_b32_e64 [[RESULT:v[0-9]+]], 0, 1.0
; SI: {{buffer|flat}}_store_dword {{.*}}[[RESULT]]
; SI: s_endpgm
define void @v_uint_to_fp_i1_f32_load(float addrspace(1)* %out, i1 addrspace(1)* %in) #0 {
  %tid = call i32 @llvm.r600.read.tidig.x()
  %in.gep = getelementptr i1, i1 addrspace(1)* %in, i32 %tid
  %out.gep = getelementptr float, float addrspace(1)* %out, i32 %tid
  %val = load i1, i1 addrspace(1)* %in.gep
  %fp = uitofp i1 %val to float
  store float %fp, float addrspace(1)* %out.gep
  ret void
}

; FIXME: Repeated here to test r600
; FUNC-LABEL: {{^}}s_uint_to_fp_i64_to_f32:
; R600: FFBH_UINT
; R600: FFBH_UINT
; R600: CNDE_INT
; R600: CNDE_INT

; R600-DAG: SETGT_UINT
; R600-DAG: SETGT_UINT
; R600-DAG: SETE_INT

define void @s_uint_to_fp_i64_to_f32(float addrspace(1)* %out, i64 %in) #0 {
entry:
  %cvt = uitofp i64 %in to float
  store float %cvt, float addrspace(1)* %out
  ret void
}

declare i32 @llvm.r600.read.tidig.x() #1

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