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      1 ; RUN:  llc -amdgpu-scalarize-global-loads=false  -march=amdgcn -verify-machineinstrs < %s | FileCheck %s
      2 ; RUN:  llc -amdgpu-scalarize-global-loads=false  -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck %s
      3 
      4 ; CHECK-LABEL: {{^}}phi1:
      5 ; CHECK: s_buffer_load_dword [[DST:s[0-9]]], {{s\[[0-9]+:[0-9]+\]}}, 0x0
      6 ; CHECK: v_mov_b32_e32 v{{[0-9]}}, [[DST]]
      7 define amdgpu_ps void @phi1(<4 x i32> addrspace(4)* inreg %arg, <4 x i32> addrspace(4)* inreg %arg1, <8 x i32> addrspace(4)* inreg %arg2, i32 inreg %arg3, <2 x i32> %arg4, <2 x i32> %arg5, <2 x i32> %arg6, <3 x i32> %arg7, <2 x i32> %arg8, <2 x i32> %arg9, <2 x i32> %arg10, float %arg11, float %arg12, float %arg13, float %arg14, float %arg15, float %arg16, float %arg17, float %arg18, float %arg19) #0 {
      8 main_body:
      9   %tmp = getelementptr <4 x i32>, <4 x i32> addrspace(4)* %arg, i32 0
     10   %tmp20 = load <4 x i32>, <4 x i32> addrspace(4)* %tmp, !tbaa !0
     11   %tmp21 = call float @llvm.SI.load.const.v4i32(<4 x i32> %tmp20, i32 0)
     12   %tmp22 = call float @llvm.SI.load.const.v4i32(<4 x i32> %tmp20, i32 16)
     13   %tmp23 = call float @llvm.SI.load.const.v4i32(<4 x i32> %tmp20, i32 32)
     14   %tmp24 = fptosi float %tmp22 to i32
     15   %tmp25 = icmp ne i32 %tmp24, 0
     16   br i1 %tmp25, label %ENDIF, label %ELSE
     17 
     18 ELSE:                                             ; preds = %main_body
     19   %tmp26 = fsub float -0.000000e+00, %tmp21
     20   br label %ENDIF
     21 
     22 ENDIF:                                            ; preds = %ELSE, %main_body
     23   %temp.0 = phi float [ %tmp26, %ELSE ], [ %tmp21, %main_body ]
     24   %tmp27 = fadd float %temp.0, %tmp23
     25   call void @llvm.amdgcn.exp.f32(i32 0, i32 15, float %tmp27, float %tmp27, float 0.000000e+00, float 1.000000e+00, i1 true, i1 true) #0
     26   ret void
     27 }
     28 
     29 ; Make sure this program doesn't crash
     30 ; CHECK-LABEL: {{^}}phi2:
     31 define amdgpu_ps void @phi2(<4 x i32> addrspace(4)* inreg %arg, <4 x i32> addrspace(4)* inreg %arg1, <8 x i32> addrspace(4)* inreg %arg2, i32 inreg %arg3, <2 x i32> %arg4, <2 x i32> %arg5, <2 x i32> %arg6, <3 x i32> %arg7, <2 x i32> %arg8, <2 x i32> %arg9, <2 x i32> %arg10, float %arg11, float %arg12, float %arg13, float %arg14, float %arg15, float %arg16, float %arg17, float %arg18, float %arg19) #1 {
     32 main_body:
     33   %tmp = getelementptr <4 x i32>, <4 x i32> addrspace(4)* %arg, i32 0
     34   %tmp20 = load <4 x i32>, <4 x i32> addrspace(4)* %tmp, !tbaa !0
     35   %tmp21 = call float @llvm.SI.load.const.v4i32(<4 x i32> %tmp20, i32 16)
     36   %tmp22 = call float @llvm.SI.load.const.v4i32(<4 x i32> %tmp20, i32 32)
     37   %tmp23 = call float @llvm.SI.load.const.v4i32(<4 x i32> %tmp20, i32 36)
     38   %tmp24 = call float @llvm.SI.load.const.v4i32(<4 x i32> %tmp20, i32 40)
     39   %tmp25 = call float @llvm.SI.load.const.v4i32(<4 x i32> %tmp20, i32 48)
     40   %tmp26 = call float @llvm.SI.load.const.v4i32(<4 x i32> %tmp20, i32 52)
     41   %tmp27 = call float @llvm.SI.load.const.v4i32(<4 x i32> %tmp20, i32 56)
     42   %tmp28 = call float @llvm.SI.load.const.v4i32(<4 x i32> %tmp20, i32 64)
     43   %tmp29 = call float @llvm.SI.load.const.v4i32(<4 x i32> %tmp20, i32 68)
     44   %tmp30 = call float @llvm.SI.load.const.v4i32(<4 x i32> %tmp20, i32 72)
     45   %tmp31 = call float @llvm.SI.load.const.v4i32(<4 x i32> %tmp20, i32 76)
     46   %tmp32 = call float @llvm.SI.load.const.v4i32(<4 x i32> %tmp20, i32 80)
     47   %tmp33 = call float @llvm.SI.load.const.v4i32(<4 x i32> %tmp20, i32 84)
     48   %tmp34 = call float @llvm.SI.load.const.v4i32(<4 x i32> %tmp20, i32 88)
     49   %tmp35 = call float @llvm.SI.load.const.v4i32(<4 x i32> %tmp20, i32 92)
     50   %tmp36 = getelementptr <8 x i32>, <8 x i32> addrspace(4)* %arg2, i32 0
     51   %tmp37 = load <8 x i32>, <8 x i32> addrspace(4)* %tmp36, !tbaa !0
     52   %tmp38 = getelementptr <4 x i32>, <4 x i32> addrspace(4)* %arg1, i32 0
     53   %tmp39 = load <4 x i32>, <4 x i32> addrspace(4)* %tmp38, !tbaa !0
     54   %i.i = extractelement <2 x i32> %arg5, i32 0
     55   %j.i = extractelement <2 x i32> %arg5, i32 1
     56   %i.f.i = bitcast i32 %i.i to float
     57   %j.f.i = bitcast i32 %j.i to float
     58   %p1.i = call float @llvm.amdgcn.interp.p1(float %i.f.i, i32 0, i32 0, i32 %arg3) #1
     59   %p2.i = call float @llvm.amdgcn.interp.p2(float %p1.i, float %j.f.i, i32 0, i32 0, i32 %arg3) #1
     60   %i.i19 = extractelement <2 x i32> %arg5, i32 0
     61   %j.i20 = extractelement <2 x i32> %arg5, i32 1
     62   %i.f.i21 = bitcast i32 %i.i19 to float
     63   %j.f.i22 = bitcast i32 %j.i20 to float
     64   %p1.i23 = call float @llvm.amdgcn.interp.p1(float %i.f.i21, i32 1, i32 0, i32 %arg3) #1
     65   %p2.i24 = call float @llvm.amdgcn.interp.p2(float %p1.i23, float %j.f.i22, i32 1, i32 0, i32 %arg3) #1
     66   %i.i13 = extractelement <2 x i32> %arg5, i32 0
     67   %j.i14 = extractelement <2 x i32> %arg5, i32 1
     68   %i.f.i15 = bitcast i32 %i.i13 to float
     69   %j.f.i16 = bitcast i32 %j.i14 to float
     70   %p1.i17 = call float @llvm.amdgcn.interp.p1(float %i.f.i15, i32 0, i32 1, i32 %arg3) #1
     71   %p2.i18 = call float @llvm.amdgcn.interp.p2(float %p1.i17, float %j.f.i16, i32 0, i32 1, i32 %arg3) #1
     72   %i.i7 = extractelement <2 x i32> %arg5, i32 0
     73   %j.i8 = extractelement <2 x i32> %arg5, i32 1
     74   %i.f.i9 = bitcast i32 %i.i7 to float
     75   %j.f.i10 = bitcast i32 %j.i8 to float
     76   %p1.i11 = call float @llvm.amdgcn.interp.p1(float %i.f.i9, i32 1, i32 1, i32 %arg3) #1
     77   %p2.i12 = call float @llvm.amdgcn.interp.p2(float %p1.i11, float %j.f.i10, i32 1, i32 1, i32 %arg3) #1
     78   %i.i1 = extractelement <2 x i32> %arg5, i32 0
     79   %j.i2 = extractelement <2 x i32> %arg5, i32 1
     80   %i.f.i3 = bitcast i32 %i.i1 to float
     81   %j.f.i4 = bitcast i32 %j.i2 to float
     82   %p1.i5 = call float @llvm.amdgcn.interp.p1(float %i.f.i3, i32 2, i32 1, i32 %arg3) #1
     83   %p2.i6 = call float @llvm.amdgcn.interp.p2(float %p1.i5, float %j.f.i4, i32 2, i32 1, i32 %arg3) #1
     84   %tmp39.bc = bitcast <4 x i32> %tmp39 to <4 x i32>
     85   %tmp1 = call <4 x float> @llvm.amdgcn.image.sample.2d.v4f32.f32(i32 15, float %p2.i, float %p2.i24, <8 x i32> %tmp37, <4 x i32> %tmp39.bc, i1 0, i32 0, i32 0)
     86   %tmp50 = extractelement <4 x float> %tmp1, i32 2
     87   %tmp51 = call float @llvm.fabs.f32(float %tmp50)
     88   %tmp52 = fmul float %p2.i18, %p2.i18
     89   %tmp53 = fmul float %p2.i12, %p2.i12
     90   %tmp54 = fadd float %tmp53, %tmp52
     91   %tmp55 = fmul float %p2.i6, %p2.i6
     92   %tmp56 = fadd float %tmp54, %tmp55
     93   %tmp57 = call float @llvm.amdgcn.rsq.f32(float %tmp56)
     94   %tmp58 = fmul float %p2.i18, %tmp57
     95   %tmp59 = fmul float %p2.i12, %tmp57
     96   %tmp60 = fmul float %p2.i6, %tmp57
     97   %tmp61 = fmul float %tmp58, %tmp22
     98   %tmp62 = fmul float %tmp59, %tmp23
     99   %tmp63 = fadd float %tmp62, %tmp61
    100   %tmp64 = fmul float %tmp60, %tmp24
    101   %tmp65 = fadd float %tmp63, %tmp64
    102   %tmp66 = fsub float -0.000000e+00, %tmp25
    103   %tmp67 = fmul float %tmp65, %tmp51
    104   %tmp68 = fadd float %tmp67, %tmp66
    105   %tmp69 = fmul float %tmp26, %tmp68
    106   %tmp70 = fmul float %tmp27, %tmp68
    107   %tmp71 = call float @llvm.fabs.f32(float %tmp69)
    108   %tmp72 = fcmp olt float 0x3EE4F8B580000000, %tmp71
    109   %tmp73 = sext i1 %tmp72 to i32
    110   %tmp74 = bitcast i32 %tmp73 to float
    111   %tmp75 = bitcast float %tmp74 to i32
    112   %tmp76 = icmp ne i32 %tmp75, 0
    113   br i1 %tmp76, label %IF, label %ENDIF
    114 
    115 IF:                                               ; preds = %main_body
    116   %tmp77 = fsub float -0.000000e+00, %tmp69
    117   %tmp78 = call float @llvm.exp2.f32(float %tmp77)
    118   %tmp79 = fsub float -0.000000e+00, %tmp78
    119   %tmp80 = fadd float 1.000000e+00, %tmp79
    120   %tmp81 = fdiv float 1.000000e+00, %tmp69
    121   %tmp82 = fmul float %tmp80, %tmp81
    122   %tmp83 = fmul float %tmp31, %tmp82
    123   br label %ENDIF
    124 
    125 ENDIF:                                            ; preds = %IF, %main_body
    126   %temp4.0 = phi float [ %tmp83, %IF ], [ %tmp31, %main_body ]
    127   %tmp84 = call float @llvm.fabs.f32(float %tmp70)
    128   %tmp85 = fcmp olt float 0x3EE4F8B580000000, %tmp84
    129   %tmp86 = sext i1 %tmp85 to i32
    130   %tmp87 = bitcast i32 %tmp86 to float
    131   %tmp88 = bitcast float %tmp87 to i32
    132   %tmp89 = icmp ne i32 %tmp88, 0
    133   br i1 %tmp89, label %IF25, label %ENDIF24
    134 
    135 IF25:                                             ; preds = %ENDIF
    136   %tmp90 = fsub float -0.000000e+00, %tmp70
    137   %tmp91 = call float @llvm.exp2.f32(float %tmp90)
    138   %tmp92 = fsub float -0.000000e+00, %tmp91
    139   %tmp93 = fadd float 1.000000e+00, %tmp92
    140   %tmp94 = fdiv float 1.000000e+00, %tmp70
    141   %tmp95 = fmul float %tmp93, %tmp94
    142   %tmp96 = fmul float %tmp35, %tmp95
    143   br label %ENDIF24
    144 
    145 ENDIF24:                                          ; preds = %IF25, %ENDIF
    146   %temp8.0 = phi float [ %tmp96, %IF25 ], [ %tmp35, %ENDIF ]
    147   %tmp97 = fmul float %tmp28, %temp4.0
    148   %tmp98 = fmul float %tmp29, %temp4.0
    149   %tmp99 = fmul float %tmp30, %temp4.0
    150   %tmp100 = fmul float %tmp32, %temp8.0
    151   %tmp101 = fadd float %tmp100, %tmp97
    152   %tmp102 = fmul float %tmp33, %temp8.0
    153   %tmp103 = fadd float %tmp102, %tmp98
    154   %tmp104 = fmul float %tmp34, %temp8.0
    155   %tmp105 = fadd float %tmp104, %tmp99
    156   %tmp106 = call float @llvm.pow.f32(float %tmp51, float %tmp21)
    157   %tmp107 = fsub float -0.000000e+00, %tmp101
    158   %tmp108 = fmul float %tmp107, %tmp106
    159   %tmp109 = fsub float -0.000000e+00, %tmp103
    160   %tmp110 = fmul float %tmp109, %tmp106
    161   %tmp111 = fsub float -0.000000e+00, %tmp105
    162   %tmp112 = fmul float %tmp111, %tmp106
    163   %tmp113 = call <2 x half> @llvm.amdgcn.cvt.pkrtz(float %tmp108, float %tmp110)
    164   %tmp115 = call <2 x half> @llvm.amdgcn.cvt.pkrtz(float %tmp112, float 1.000000e+00)
    165   call void @llvm.amdgcn.exp.compr.v2f16(i32 0, i32 15, <2 x half> %tmp113, <2 x half> %tmp115, i1 true, i1 true) #0
    166   ret void
    167 }
    168 
    169 ; We just want ot make sure the program doesn't crash
    170 ; CHECK-LABEL: {{^}}loop:
    171 define amdgpu_ps void @loop(<4 x i32> addrspace(4)* inreg %arg, <4 x i32> addrspace(4)* inreg %arg1, <8 x i32> addrspace(4)* inreg %arg2, i32 inreg %arg3, <2 x i32> %arg4, <2 x i32> %arg5, <2 x i32> %arg6, <3 x i32> %arg7, <2 x i32> %arg8, <2 x i32> %arg9, <2 x i32> %arg10, float %arg11, float %arg12, float %arg13, float %arg14, float %arg15, float %arg16, float %arg17, float %arg18, float %arg19) #0 {
    172 main_body:
    173   %tmp = getelementptr <4 x i32>, <4 x i32> addrspace(4)* %arg, i32 0
    174   %tmp20 = load <4 x i32>, <4 x i32> addrspace(4)* %tmp, !tbaa !0
    175   %tmp21 = call float @llvm.SI.load.const.v4i32(<4 x i32> %tmp20, i32 0)
    176   %tmp22 = call float @llvm.SI.load.const.v4i32(<4 x i32> %tmp20, i32 4)
    177   %tmp23 = call float @llvm.SI.load.const.v4i32(<4 x i32> %tmp20, i32 8)
    178   %tmp24 = call float @llvm.SI.load.const.v4i32(<4 x i32> %tmp20, i32 12)
    179   %tmp25 = fptosi float %tmp24 to i32
    180   %tmp26 = bitcast i32 %tmp25 to float
    181   %tmp27 = bitcast float %tmp26 to i32
    182   br label %LOOP
    183 
    184 LOOP:                                             ; preds = %ENDIF, %main_body
    185   %temp4.0 = phi float [ %tmp21, %main_body ], [ %temp5.0, %ENDIF ]
    186   %temp5.0 = phi float [ %tmp22, %main_body ], [ %temp6.0, %ENDIF ]
    187   %temp6.0 = phi float [ %tmp23, %main_body ], [ %temp4.0, %ENDIF ]
    188   %temp8.0 = phi float [ 0.000000e+00, %main_body ], [ %tmp36, %ENDIF ]
    189   %tmp28 = bitcast float %temp8.0 to i32
    190   %tmp29 = icmp sge i32 %tmp28, %tmp27
    191   %tmp30 = sext i1 %tmp29 to i32
    192   %tmp31 = bitcast i32 %tmp30 to float
    193   %tmp32 = bitcast float %tmp31 to i32
    194   %tmp33 = icmp ne i32 %tmp32, 0
    195   br i1 %tmp33, label %IF, label %ENDIF
    196 
    197 IF:                                               ; preds = %LOOP
    198   call void @llvm.amdgcn.exp.f32(i32 0, i32 15, float %temp4.0, float %temp5.0, float %temp6.0, float 1.000000e+00, i1 true, i1 true) #0
    199   ret void
    200 
    201 ENDIF:                                            ; preds = %LOOP
    202   %tmp34 = bitcast float %temp8.0 to i32
    203   %tmp35 = add i32 %tmp34, 1
    204   %tmp36 = bitcast i32 %tmp35 to float
    205   br label %LOOP
    206 }
    207 
    208 ; This checks for a bug in the FixSGPRCopies pass where VReg96
    209 ; registers were being identified as an SGPR regclass which was causing
    210 ; an assertion failure.
    211 
    212 ; CHECK-LABEL: {{^}}sample_v3:
    213 ; CHECK: v_mov_b32_e32 v[[SAMPLE_LO:[0-9]+]], 11
    214 ; CHECK: v_mov_b32_e32 v[[SAMPLE_HI:[0-9]+]], 13
    215 ; CHECK: s_branch
    216 
    217 ; CHECK-DAG: v_mov_b32_e32 v[[SAMPLE_LO:[0-9]+]], 5
    218 ; CHECK-DAG: v_mov_b32_e32 v[[SAMPLE_HI:[0-9]+]], 7
    219 
    220 ; CHECK: BB{{[0-9]+_[0-9]+}}:
    221 ; CHECK: image_sample v{{\[[0-9]+:[0-9]+\]}}, v{{\[}}[[SAMPLE_LO]]:[[SAMPLE_HI]]{{\]}}
    222 ; CHECK: exp
    223 ; CHECK: s_endpgm
    224 define amdgpu_ps void @sample_v3([17 x <4 x i32>] addrspace(4)* byval %arg, [32 x <4 x i32>] addrspace(4)* byval %arg1, [16 x <8 x i32>] addrspace(4)* byval %arg2, float inreg %arg3, i32 inreg %arg4, <2 x i32> %arg5, <2 x i32> %arg6, <2 x i32> %arg7, <3 x i32> %arg8, <2 x i32> %arg9, <2 x i32> %arg10, <2 x i32> %arg11, float %arg12, float %arg13, float %arg14, float %arg15, float %arg16, float %arg17, float %arg18, float %arg19, float %arg20) #0 {
    225 entry:
    226   %tmp = getelementptr [17 x <4 x i32>], [17 x <4 x i32>] addrspace(4)* %arg, i64 0, i32 0
    227   %tmp21 = load <4 x i32>, <4 x i32> addrspace(4)* %tmp, !tbaa !0
    228   %tmp22 = call float @llvm.SI.load.const.v4i32(<4 x i32> %tmp21, i32 16)
    229   %tmp23 = getelementptr [16 x <8 x i32>], [16 x <8 x i32>] addrspace(4)* %arg2, i64 0, i32 0
    230   %tmp24 = load <8 x i32>, <8 x i32> addrspace(4)* %tmp23, !tbaa !0
    231   %tmp25 = getelementptr [32 x <4 x i32>], [32 x <4 x i32>] addrspace(4)* %arg1, i64 0, i32 0
    232   %tmp26 = load <4 x i32>, <4 x i32> addrspace(4)* %tmp25, !tbaa !0
    233   %tmp27 = fcmp oeq float %tmp22, 0.000000e+00
    234   %tmp26.bc = bitcast <4 x i32> %tmp26 to <4 x i32>
    235   br i1 %tmp27, label %if, label %else
    236 
    237 if:                                               ; preds = %entry
    238   %tmp1 = call <4 x float> @llvm.amdgcn.image.sample.2d.v4f32.f32(i32 15, float 0x36D6000000000000, float 0x36DA000000000000, <8 x i32> %tmp24, <4 x i32> %tmp26.bc, i1 0, i32 0, i32 0)
    239   %val.if.0 = extractelement <4 x float> %tmp1, i32 0
    240   %val.if.1 = extractelement <4 x float> %tmp1, i32 1
    241   %val.if.2 = extractelement <4 x float> %tmp1, i32 2
    242   br label %endif
    243 
    244 else:                                             ; preds = %entry
    245   %tmp2 = call <4 x float> @llvm.amdgcn.image.sample.2d.v4f32.f32(i32 15, float 0x36C4000000000000, float 0x36CC000000000000, <8 x i32> %tmp24, <4 x i32> %tmp26.bc, i1 0, i32 0, i32 0)
    246   %val.else.0 = extractelement <4 x float> %tmp2, i32 0
    247   %val.else.1 = extractelement <4 x float> %tmp2, i32 1
    248   %val.else.2 = extractelement <4 x float> %tmp2, i32 2
    249   br label %endif
    250 
    251 endif:                                            ; preds = %else, %if
    252   %val.0 = phi float [ %val.if.0, %if ], [ %val.else.0, %else ]
    253   %val.1 = phi float [ %val.if.1, %if ], [ %val.else.1, %else ]
    254   %val.2 = phi float [ %val.if.2, %if ], [ %val.else.2, %else ]
    255   call void @llvm.amdgcn.exp.f32(i32 0, i32 15, float %val.0, float %val.1, float %val.2, float 0.000000e+00, i1 true, i1 true) #0
    256   ret void
    257 }
    258 
    259 ; CHECK-LABEL: {{^}}copy1:
    260 ; CHECK: buffer_load_dword
    261 ; CHECK: v_add
    262 ; CHECK: s_endpgm
    263 define amdgpu_kernel void @copy1(float addrspace(1)* %out, float addrspace(1)* %in0) {
    264 entry:
    265   %tmp = load float, float addrspace(1)* %in0
    266   %tmp1 = fcmp oeq float %tmp, 0.000000e+00
    267   br i1 %tmp1, label %if0, label %endif
    268 
    269 if0:                                              ; preds = %entry
    270   %tmp2 = bitcast float %tmp to i32
    271   %tmp3 = fcmp olt float %tmp, 0.000000e+00
    272   br i1 %tmp3, label %if1, label %endif
    273 
    274 if1:                                              ; preds = %if0
    275   %tmp4 = add i32 %tmp2, 1
    276   br label %endif
    277 
    278 endif:                                            ; preds = %if1, %if0, %entry
    279   %tmp5 = phi i32 [ 0, %entry ], [ %tmp2, %if0 ], [ %tmp4, %if1 ]
    280   %tmp6 = bitcast i32 %tmp5 to float
    281   store float %tmp6, float addrspace(1)* %out
    282   ret void
    283 }
    284 
    285 ; This test is just checking that we don't crash / assertion fail.
    286 ; CHECK-LABEL: {{^}}copy2:
    287 ; CHECK: s_endpgm
    288 define amdgpu_ps void @copy2([17 x <4 x i32>] addrspace(4)* byval %arg, [32 x <4 x i32>] addrspace(4)* byval %arg1, [16 x <8 x i32>] addrspace(4)* byval %arg2, float inreg %arg3, i32 inreg %arg4, <2 x i32> %arg5, <2 x i32> %arg6, <2 x i32> %arg7, <3 x i32> %arg8, <2 x i32> %arg9, <2 x i32> %arg10, <2 x i32> %arg11, float %arg12, float %arg13, float %arg14, float %arg15, float %arg16, float %arg17, float %arg18, float %arg19, float %arg20) #0 {
    289 entry:
    290   br label %LOOP68
    291 
    292 LOOP68:                                           ; preds = %ENDIF69, %entry
    293   %temp4.7 = phi float [ 0.000000e+00, %entry ], [ %v, %ENDIF69 ]
    294   %t = phi i32 [ 20, %entry ], [ %x, %ENDIF69 ]
    295   %g = icmp eq i32 0, %t
    296   %l = bitcast float %temp4.7 to i32
    297   br i1 %g, label %IF70, label %ENDIF69
    298 
    299 IF70:                                             ; preds = %LOOP68
    300   %q = icmp ne i32 %l, 13
    301   %temp.8 = select i1 %q, float 1.000000e+00, float 0.000000e+00
    302   call void @llvm.amdgcn.exp.f32(i32 0, i32 15, float %temp.8, float 0.000000e+00, float 0.000000e+00, float 1.000000e+00, i1 true, i1 true) #0
    303   ret void
    304 
    305 ENDIF69:                                          ; preds = %LOOP68
    306   %u = add i32 %l, %t
    307   %v = bitcast i32 %u to float
    308   %x = add i32 %t, -1
    309   br label %LOOP68
    310 }
    311 
    312 ; This test checks that image_sample resource descriptors aren't loaded into
    313 ; vgprs.  The verifier will fail if this happens.
    314 ; CHECK-LABEL:{{^}}sample_rsrc
    315 
    316 ; CHECK: s_cmp_eq_u32
    317 ; CHECK: s_cbranch_scc0 [[END:BB[0-9]+_[0-9]+]]
    318 
    319 ; CHECK: v_add_{{[iu]}}32_e32 v[[ADD:[0-9]+]], vcc, 1, v{{[0-9]+}}
    320 
    321 ; [[END]]:
    322 ; CHECK: image_sample v{{\[[0-9]+:[0-9]+\]}}, v{{\[[0-9]+}}:[[ADD]]{{\]}}
    323 ; CHECK: s_endpgm
    324 define amdgpu_ps void @sample_rsrc([6 x <4 x i32>] addrspace(4)* byval %arg, [17 x <4 x i32>] addrspace(4)* byval %arg1, [16 x <4 x i32>] addrspace(4)* byval %arg2, [32 x <8 x i32>] addrspace(4)* byval %arg3, float inreg %arg4, i32 inreg %arg5, <2 x i32> %arg6, <2 x i32> %arg7, <2 x i32> %arg8, <3 x i32> %arg9, <2 x i32> %arg10, <2 x i32> %arg11, <2 x i32> %arg12, float %arg13, float %arg14, float %arg15, float %arg16, float %arg17, float %arg18, i32 %arg19, float %arg20, float %arg21) #0 {
    325 bb:
    326   %tmp = getelementptr [17 x <4 x i32>], [17 x <4 x i32>] addrspace(4)* %arg1, i32 0, i32 0
    327   %tmp22 = load <4 x i32>, <4 x i32> addrspace(4)* %tmp, !tbaa !3
    328   %tmp23 = call float @llvm.SI.load.const.v4i32(<4 x i32> %tmp22, i32 16)
    329   %tmp25 = getelementptr [32 x <8 x i32>], [32 x <8 x i32>] addrspace(4)* %arg3, i32 0, i32 0
    330   %tmp26 = load <8 x i32>, <8 x i32> addrspace(4)* %tmp25, !tbaa !3
    331   %tmp27 = getelementptr [16 x <4 x i32>], [16 x <4 x i32>] addrspace(4)* %arg2, i32 0, i32 0
    332   %tmp28 = load <4 x i32>, <4 x i32> addrspace(4)* %tmp27, !tbaa !3
    333   %i.i = extractelement <2 x i32> %arg7, i32 0
    334   %j.i = extractelement <2 x i32> %arg7, i32 1
    335   %i.f.i = bitcast i32 %i.i to float
    336   %j.f.i = bitcast i32 %j.i to float
    337   %p1.i = call float @llvm.amdgcn.interp.p1(float %i.f.i, i32 0, i32 0, i32 %arg5) #0
    338   %p2.i = call float @llvm.amdgcn.interp.p2(float %p1.i, float %j.f.i, i32 0, i32 0, i32 %arg5) #0
    339   %i.i1 = extractelement <2 x i32> %arg7, i32 0
    340   %j.i2 = extractelement <2 x i32> %arg7, i32 1
    341   %i.f.i3 = bitcast i32 %i.i1 to float
    342   %j.f.i4 = bitcast i32 %j.i2 to float
    343   %p1.i5 = call float @llvm.amdgcn.interp.p1(float %i.f.i3, i32 1, i32 0, i32 %arg5) #0
    344   %p2.i6 = call float @llvm.amdgcn.interp.p2(float %p1.i5, float %j.f.i4, i32 1, i32 0, i32 %arg5) #0
    345   %tmp31 = bitcast float %tmp23 to i32
    346   %tmp36 = icmp ne i32 %tmp31, 0
    347   br i1 %tmp36, label %bb38, label %bb80
    348 
    349 bb38:                                             ; preds = %bb
    350   %tmp56 = bitcast <8 x i32> %tmp26 to <8 x i32>
    351   %tmp2 = call <4 x float> @llvm.amdgcn.image.sample.2d.v4f32.f32(i32 15, float %p2.i, float %p2.i6, <8 x i32> %tmp56, <4 x i32> %tmp28, i1 0, i32 0, i32 0)
    352   br label %bb71
    353 
    354 bb80:                                             ; preds = %bb
    355   %tmp81 = bitcast float %p2.i to i32
    356   %tmp82 = bitcast float %p2.i6 to i32
    357   %tmp82.2 = add i32 %tmp82, 1
    358   %tmp83 = bitcast i32 %tmp81 to float
    359   %tmp84 = bitcast i32 %tmp82.2 to float
    360   %tmp85 = bitcast <8 x i32> %tmp26 to <8 x i32>
    361   %tmp3 = call <4 x float> @llvm.amdgcn.image.sample.2d.v4f32.f32(i32 15, float %tmp83, float %tmp84, <8 x i32> %tmp85, <4 x i32> %tmp28, i1 0, i32 0, i32 0)
    362   br label %bb71
    363 
    364 bb71:                                             ; preds = %bb80, %bb38
    365   %tmp72 = phi <4 x float> [ %tmp2, %bb38 ], [ %tmp3, %bb80 ]
    366   %tmp88 = extractelement <4 x float> %tmp72, i32 0
    367   call void @llvm.amdgcn.exp.f32(i32 0, i32 15, float %tmp88, float %tmp88, float %tmp88, float %tmp88, i1 true, i1 true) #0
    368   ret void
    369 }
    370 
    371 ; Check the resource descriptor is stored in an sgpr.
    372 ; CHECK-LABEL: {{^}}mimg_srsrc_sgpr:
    373 ; CHECK: image_sample v{{[0-9]+}}, v[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}] dmask:0x1
    374 define amdgpu_ps void @mimg_srsrc_sgpr([34 x <8 x i32>] addrspace(4)* byval %arg) #0 {
    375 bb:
    376   %tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
    377   %tmp7 = getelementptr [34 x <8 x i32>], [34 x <8 x i32>] addrspace(4)* %arg, i32 0, i32 %tid
    378   %tmp8 = load <8 x i32>, <8 x i32> addrspace(4)* %tmp7, align 32, !tbaa !0
    379   %tmp = call <4 x float> @llvm.amdgcn.image.sample.2d.v4f32.f32(i32 15, float 7.500000e-01, float 2.500000e-01, <8 x i32> %tmp8, <4 x i32> undef, i1 0, i32 0, i32 0)
    380   %tmp10 = extractelement <4 x float> %tmp, i32 0
    381   %tmp12 = call <2 x half> @llvm.amdgcn.cvt.pkrtz(float undef, float %tmp10)
    382   call void @llvm.amdgcn.exp.compr.v2f16(i32 0, i32 15, <2 x half> %tmp12, <2 x half> undef, i1 true, i1 true) #0
    383   ret void
    384 }
    385 
    386 ; Check the sampler is stored in an sgpr.
    387 ; CHECK-LABEL: {{^}}mimg_ssamp_sgpr:
    388 ; CHECK: image_sample v{{[0-9]+}}, v[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}] dmask:0x1
    389 define amdgpu_ps void @mimg_ssamp_sgpr([17 x <4 x i32>] addrspace(4)* byval %arg) #0 {
    390 bb:
    391   %tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
    392   %tmp7 = getelementptr [17 x <4 x i32>], [17 x <4 x i32>] addrspace(4)* %arg, i32 0, i32 %tid
    393   %tmp8 = load <4 x i32>, <4 x i32> addrspace(4)* %tmp7, align 16, !tbaa !0
    394   %tmp = call <4 x float> @llvm.amdgcn.image.sample.2d.v4f32.f32(i32 15, float 7.500000e-01, float 2.500000e-01, <8 x i32> undef, <4 x i32> %tmp8, i1 0, i32 0, i32 0)
    395   %tmp10 = extractelement <4 x float> %tmp, i32 0
    396   %tmp12 = call <2 x half> @llvm.amdgcn.cvt.pkrtz(float %tmp10, float undef)
    397   call void @llvm.amdgcn.exp.compr.v2f16(i32 0, i32 15, <2 x half> %tmp12, <2 x half> undef, i1 true, i1 true) #0
    398   ret void
    399 }
    400 
    401 declare float @llvm.fabs.f32(float) #1
    402 declare float @llvm.amdgcn.rsq.f32(float) #1
    403 declare float @llvm.exp2.f32(float) #1
    404 declare float @llvm.pow.f32(float, float) #1
    405 declare i32 @llvm.amdgcn.mbcnt.lo(i32, i32) #1
    406 declare float @llvm.amdgcn.interp.p1(float, i32, i32, i32) #1
    407 declare float @llvm.amdgcn.interp.p2(float, float, i32, i32, i32) #1
    408 declare void @llvm.amdgcn.exp.f32(i32, i32, float, float, float, float, i1, i1) #0
    409 declare void @llvm.amdgcn.exp.compr.v2f16(i32, i32, <2 x half>, <2 x half>, i1, i1) #0
    410 declare <2 x half> @llvm.amdgcn.cvt.pkrtz(float, float) #1
    411 declare <4 x float> @llvm.amdgcn.image.sample.2d.v4f32.f32(i32, float, float, <8 x i32>, <4 x i32>, i1, i32, i32) #2
    412 declare float @llvm.SI.load.const.v4i32(<4 x i32>, i32) #1
    413 
    414 attributes #0 = { nounwind }
    415 attributes #1 = { nounwind readnone }
    416 attributes #2 = { nounwind readonly }
    417 
    418 !0 = !{!1, !1, i64 0, i32 1}
    419 !1 = !{!"const", !2}
    420 !2 = !{!"tbaa root"}
    421 !3 = !{!1, !1, i64 0}
    422