Home | History | Annotate | Download | only in AMDGPU
      1 ; RUN: llc < %s -march=amdgcn -mcpu=SI -show-mc-encoding -verify-machineinstrs | FileCheck --check-prefix=SI --check-prefix=GCN --check-prefix=SIVI %s
      2 ; RUN: llc < %s -march=amdgcn -mcpu=bonaire -show-mc-encoding -verify-machineinstrs | FileCheck --check-prefix=CI --check-prefix=GCN  %s
      3 ; RUN: llc < %s -march=amdgcn -mcpu=tonga -show-mc-encoding -verify-machineinstrs | FileCheck --check-prefix=VI --check-prefix=GCN --check-prefix=SIVI %s
      4 
      5 ; SMRD load with an immediate offset.
      6 ; GCN-LABEL: {{^}}smrd0:
      7 ; SICI: s_load_dword s{{[0-9]}}, s[{{[0-9]:[0-9]}}], 0x1 ; encoding: [0x01
      8 ; VI: s_load_dword s{{[0-9]}}, s[{{[0-9]:[0-9]}}], 0x4
      9 define void @smrd0(i32 addrspace(1)* %out, i32 addrspace(2)* %ptr) {
     10 entry:
     11   %0 = getelementptr i32, i32 addrspace(2)* %ptr, i64 1
     12   %1 = load i32, i32 addrspace(2)* %0
     13   store i32 %1, i32 addrspace(1)* %out
     14   ret void
     15 }
     16 
     17 ; SMRD load with the largest possible immediate offset.
     18 ; GCN-LABEL: {{^}}smrd1:
     19 ; SICI: s_load_dword s{{[0-9]}}, s[{{[0-9]:[0-9]}}], 0xff ; encoding: [0xff,0x{{[0-9]+[137]}}
     20 ; VI: s_load_dword s{{[0-9]}}, s[{{[0-9]:[0-9]}}], 0x3fc
     21 define void @smrd1(i32 addrspace(1)* %out, i32 addrspace(2)* %ptr) {
     22 entry:
     23   %0 = getelementptr i32, i32 addrspace(2)* %ptr, i64 255
     24   %1 = load i32, i32 addrspace(2)* %0
     25   store i32 %1, i32 addrspace(1)* %out
     26   ret void
     27 }
     28 
     29 ; SMRD load with an offset greater than the largest possible immediate.
     30 ; GCN-LABEL: {{^}}smrd2:
     31 ; SI: s_movk_i32 s[[OFFSET:[0-9]]], 0x400
     32 ; SI: s_load_dword s{{[0-9]}}, s[{{[0-9]:[0-9]}}], s[[OFFSET]] ; encoding: [0x0[[OFFSET]]
     33 ; CI: s_load_dword s{{[0-9]}}, s[{{[0-9]:[0-9]}}], 0x100
     34 ; VI: s_load_dword s{{[0-9]}}, s[{{[0-9]:[0-9]}}], 0x400
     35 ; GCN: s_endpgm
     36 define void @smrd2(i32 addrspace(1)* %out, i32 addrspace(2)* %ptr) {
     37 entry:
     38   %0 = getelementptr i32, i32 addrspace(2)* %ptr, i64 256
     39   %1 = load i32, i32 addrspace(2)* %0
     40   store i32 %1, i32 addrspace(1)* %out
     41   ret void
     42 }
     43 
     44 ; SMRD load with a 64-bit offset
     45 ; GCN-LABEL: {{^}}smrd3:
     46 ; FIXME: There are too many copies here because we don't fold immediates
     47 ;        through REG_SEQUENCE
     48 ; SI: s_load_dwordx2 s[{{[0-9]:[0-9]}}], s[{{[0-9]:[0-9]}}], 0xb ; encoding: [0x0b
     49 ; TODO: Add VI checks
     50 ; GCN: s_endpgm
     51 define void @smrd3(i32 addrspace(1)* %out, i32 addrspace(2)* %ptr) {
     52 entry:
     53   %0 = getelementptr i32, i32 addrspace(2)* %ptr, i64 4294967296 ; 2 ^ 32
     54   %1 = load i32, i32 addrspace(2)* %0
     55   store i32 %1, i32 addrspace(1)* %out
     56   ret void
     57 }
     58 
     59 ; SMRD load with the largest possible immediate offset on VI
     60 ; GCN-LABEL: {{^}}smrd4:
     61 ; SI: s_mov_b32 [[OFFSET:s[0-9]+]], 0xffffc
     62 ; SI: s_load_dword s{{[0-9]}}, s[{{[0-9]:[0-9]}}], [[OFFSET]]
     63 ; CI: s_load_dword s{{[0-9]}}, s[{{[0-9]:[0-9]}}], 0x3ffff
     64 ; VI: s_load_dword s{{[0-9]}}, s[{{[0-9]:[0-9]}}], 0xffffc
     65 define void @smrd4(i32 addrspace(1)* %out, i32 addrspace(2)* %ptr) {
     66 entry:
     67   %0 = getelementptr i32, i32 addrspace(2)* %ptr, i64 262143
     68   %1 = load i32, i32 addrspace(2)* %0
     69   store i32 %1, i32 addrspace(1)* %out
     70   ret void
     71 }
     72 
     73 ; SMRD load with an offset greater than the largest possible immediate on VI
     74 ; GCN-LABEL: {{^}}smrd5:
     75 ; SIVI: s_mov_b32 [[OFFSET:s[0-9]+]], 0x100000
     76 ; SIVI: s_load_dword s{{[0-9]}}, s[{{[0-9]:[0-9]}}], [[OFFSET]]
     77 ; CI: s_load_dword s{{[0-9]}}, s[{{[0-9]:[0-9]}}], 0x40000
     78 ; GCN: s_endpgm
     79 define void @smrd5(i32 addrspace(1)* %out, i32 addrspace(2)* %ptr) {
     80 entry:
     81   %0 = getelementptr i32, i32 addrspace(2)* %ptr, i64 262144
     82   %1 = load i32, i32 addrspace(2)* %0
     83   store i32 %1, i32 addrspace(1)* %out
     84   ret void
     85 }
     86 
     87 ; SMRD load using the load.const intrinsic with an immediate offset
     88 ; GCN-LABEL: {{^}}smrd_load_const0:
     89 ; SICI: s_buffer_load_dword s{{[0-9]}}, s[{{[0-9]:[0-9]}}], 0x4 ; encoding: [0x04
     90 ; VI: s_buffer_load_dword s{{[0-9]}}, s[{{[0-9]:[0-9]}}], 0x10
     91 define void @smrd_load_const0(<16 x i8> addrspace(2)* inreg, <16 x i8> addrspace(2)* inreg, <32 x i8> addrspace(2)* inreg, i32 inreg, <2 x i32>, <2 x i32>, <2 x i32>, <3 x i32>, <2 x i32>, <2 x i32>, <2 x i32>, float, float, float, float, float, float, float, float, float) #0 {
     92 main_body:
     93   %20 = getelementptr <16 x i8>, <16 x i8> addrspace(2)* %0, i32 0
     94   %21 = load <16 x i8>, <16 x i8> addrspace(2)* %20
     95   %22 = call float @llvm.SI.load.const(<16 x i8> %21, i32 16)
     96   call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 0, float %22, float %22, float %22, float %22)
     97   ret void
     98 }
     99 
    100 ; SMRD load using the load.const intrinsic with the largest possible immediate
    101 ; offset.
    102 ; GCN-LABEL: {{^}}smrd_load_const1:
    103 ; SICI: s_buffer_load_dword s{{[0-9]}}, s[{{[0-9]:[0-9]}}], 0xff ; encoding: [0xff
    104 ; VI: s_buffer_load_dword s{{[0-9]}}, s[{{[0-9]:[0-9]}}], 0x3fc
    105 define void @smrd_load_const1(<16 x i8> addrspace(2)* inreg, <16 x i8> addrspace(2)* inreg, <32 x i8> addrspace(2)* inreg, i32 inreg, <2 x i32>, <2 x i32>, <2 x i32>, <3 x i32>, <2 x i32>, <2 x i32>, <2 x i32>, float, float, float, float, float, float, float, float, float) #0 {
    106 main_body:
    107   %20 = getelementptr <16 x i8>, <16 x i8> addrspace(2)* %0, i32 0
    108   %21 = load <16 x i8>, <16 x i8> addrspace(2)* %20
    109   %22 = call float @llvm.SI.load.const(<16 x i8> %21, i32 1020)
    110   call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 0, float %22, float %22, float %22, float %22)
    111   ret void
    112 }
    113 ; SMRD load using the load.const intrinsic with an offset greater than the
    114 ; largets possible immediate.
    115 ; immediate offset.
    116 ; GCN-LABEL: {{^}}smrd_load_const2:
    117 ; SI: s_movk_i32 s[[OFFSET:[0-9]]], 0x400
    118 ; SI: s_buffer_load_dword s{{[0-9]}}, s[{{[0-9]:[0-9]}}], s[[OFFSET]] ; encoding: [0x0[[OFFSET]]
    119 ; CI: s_buffer_load_dword s{{[0-9]}}, s[{{[0-9]:[0-9]}}], 0x100
    120 ; VI: s_buffer_load_dword s{{[0-9]}}, s[{{[0-9]:[0-9]}}], 0x400
    121 define void @smrd_load_const2(<16 x i8> addrspace(2)* inreg, <16 x i8> addrspace(2)* inreg, <32 x i8> addrspace(2)* inreg, i32 inreg, <2 x i32>, <2 x i32>, <2 x i32>, <3 x i32>, <2 x i32>, <2 x i32>, <2 x i32>, float, float, float, float, float, float, float, float, float) #0 {
    122 main_body:
    123   %20 = getelementptr <16 x i8>, <16 x i8> addrspace(2)* %0, i32 0
    124   %21 = load <16 x i8>, <16 x i8> addrspace(2)* %20
    125   %22 = call float @llvm.SI.load.const(<16 x i8> %21, i32 1024)
    126   call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 0, float %22, float %22, float %22, float %22)
    127   ret void
    128 }
    129 
    130 ; SMRD load with the largest possible immediate offset on VI
    131 ; GCN-LABEL: {{^}}smrd_load_const3:
    132 ; SI: s_mov_b32 [[OFFSET:s[0-9]+]], 0xffffc
    133 ; SI: s_buffer_load_dword s{{[0-9]}}, s[{{[0-9]:[0-9]}}], [[OFFSET]]
    134 ; CI: s_buffer_load_dword s{{[0-9]}}, s[{{[0-9]:[0-9]}}], 0x3ffff
    135 ; VI: s_buffer_load_dword s{{[0-9]}}, s[{{[0-9]:[0-9]}}], 0xffffc
    136 define void @smrd_load_const3(<16 x i8> addrspace(2)* inreg, <16 x i8> addrspace(2)* inreg, <32 x i8> addrspace(2)* inreg, i32 inreg, <2 x i32>, <2 x i32>, <2 x i32>, <3 x i32>, <2 x i32>, <2 x i32>, <2 x i32>, float, float, float, float, float, float, float, float, float) #0 {
    137 main_body:
    138   %20 = getelementptr <16 x i8>, <16 x i8> addrspace(2)* %0, i32 0
    139   %21 = load <16 x i8>, <16 x i8> addrspace(2)* %20
    140   %22 = call float @llvm.SI.load.const(<16 x i8> %21, i32 1048572)
    141   call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 0, float %22, float %22, float %22, float %22)
    142   ret void
    143 }
    144 
    145 ; SMRD load with an offset greater than the largest possible immediate on VI
    146 ; GCN-LABEL: {{^}}smrd_load_const4:
    147 ; SIVI: s_mov_b32 [[OFFSET:s[0-9]+]], 0x100000
    148 ; SIVI: s_buffer_load_dword s{{[0-9]}}, s[{{[0-9]:[0-9]}}], [[OFFSET]]
    149 ; CI: s_buffer_load_dword s{{[0-9]}}, s[{{[0-9]:[0-9]}}], 0x40000
    150 ; GCN: s_endpgm
    151 define void @smrd_load_const4(<16 x i8> addrspace(2)* inreg, <16 x i8> addrspace(2)* inreg, <32 x i8> addrspace(2)* inreg, i32 inreg, <2 x i32>, <2 x i32>, <2 x i32>, <3 x i32>, <2 x i32>, <2 x i32>, <2 x i32>, float, float, float, float, float, float, float, float, float) #0 {
    152 main_body:
    153   %20 = getelementptr <16 x i8>, <16 x i8> addrspace(2)* %0, i32 0
    154   %21 = load <16 x i8>, <16 x i8> addrspace(2)* %20
    155   %22 = call float @llvm.SI.load.const(<16 x i8> %21, i32 1048576)
    156   call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 0, float %22, float %22, float %22, float %22)
    157   ret void
    158 }
    159 
    160 ; Function Attrs: nounwind readnone
    161 declare float @llvm.SI.load.const(<16 x i8>, i32) #1
    162 
    163 declare void @llvm.SI.export(i32, i32, i32, i32, i32, float, float, float, float)
    164 
    165 attributes #0 = { "ShaderType"="0" }
    166 attributes #1 = { nounwind readnone }
    167