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      1 ; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -strict-whitespace -check-prefix=GCN -check-prefix=SI %s
      2 ; XUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -strict-whitespace -check-prefix=GCN -check-prefix=VI %s
      3 
      4 ; FIXME: Enable for VI.
      5 
      6 declare i32 @llvm.r600.read.tidig.x() nounwind readnone
      7 declare float @llvm.AMDGPU.div.fmas.f32(float, float, float, i1) nounwind readnone
      8 declare double @llvm.AMDGPU.div.fmas.f64(double, double, double, i1) nounwind readnone
      9 
     10 ; GCN-LABEL: {{^}}test_div_fmas_f32:
     11 ; SI-DAG: s_load_dword [[SA:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xb
     12 ; SI-DAG: s_load_dword [[SC:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xd
     13 ; SI-DAG: s_load_dword [[SB:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xc
     14 ; VI-DAG: s_load_dword [[SA:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0x2c
     15 ; VI-DAG: s_load_dword [[SC:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0x34
     16 ; VI-DAG: s_load_dword [[SB:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0x30
     17 ; GCN-DAG: v_mov_b32_e32 [[VC:v[0-9]+]], [[SC]]
     18 ; GCN-DAG: v_mov_b32_e32 [[VB:v[0-9]+]], [[SB]]
     19 ; GCN-DAG: v_mov_b32_e32 [[VA:v[0-9]+]], [[SA]]
     20 ; GCN: v_div_fmas_f32 [[RESULT:v[0-9]+]], [[VB]], [[VA]], [[VC]]
     21 ; GCN: buffer_store_dword [[RESULT]],
     22 ; GCN: s_endpgm
     23 define void @test_div_fmas_f32(float addrspace(1)* %out, float %a, float %b, float %c, i1 %d) nounwind {
     24   %result = call float @llvm.AMDGPU.div.fmas.f32(float %a, float %b, float %c, i1 %d) nounwind readnone
     25   store float %result, float addrspace(1)* %out, align 4
     26   ret void
     27 }
     28 
     29 ; GCN-LABEL: {{^}}test_div_fmas_f32_inline_imm_0:
     30 ; SI-DAG: s_load_dword [[SC:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xd
     31 ; SI-DAG: s_load_dword [[SB:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xc
     32 ; SI-DAG: v_mov_b32_e32 [[VC:v[0-9]+]], [[SC]]
     33 ; SI-DAG: v_mov_b32_e32 [[VB:v[0-9]+]], [[SB]]
     34 ; SI: v_div_fmas_f32 [[RESULT:v[0-9]+]], 1.0, [[VB]], [[VC]]
     35 ; SI: buffer_store_dword [[RESULT]],
     36 ; SI: s_endpgm
     37 define void @test_div_fmas_f32_inline_imm_0(float addrspace(1)* %out, float %a, float %b, float %c, i1 %d) nounwind {
     38   %result = call float @llvm.AMDGPU.div.fmas.f32(float 1.0, float %b, float %c, i1 %d) nounwind readnone
     39   store float %result, float addrspace(1)* %out, align 4
     40   ret void
     41 }
     42 
     43 ; GCN-LABEL: {{^}}test_div_fmas_f32_inline_imm_1:
     44 ; SI-DAG: s_load_dword [[SA:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xb
     45 ; SI-DAG: s_load_dword [[SC:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xd
     46 ; SI-DAG: v_mov_b32_e32 [[VC:v[0-9]+]], [[SC]]
     47 ; SI-DAG: v_mov_b32_e32 [[VA:v[0-9]+]], [[SA]]
     48 ; SI: v_div_fmas_f32 [[RESULT:v[0-9]+]], 1.0, [[VA]], [[VC]]
     49 ; SI: buffer_store_dword [[RESULT]],
     50 ; SI: s_endpgm
     51 define void @test_div_fmas_f32_inline_imm_1(float addrspace(1)* %out, float %a, float %b, float %c, i1 %d) nounwind {
     52   %result = call float @llvm.AMDGPU.div.fmas.f32(float %a, float 1.0, float %c, i1 %d) nounwind readnone
     53   store float %result, float addrspace(1)* %out, align 4
     54   ret void
     55 }
     56 
     57 ; GCN-LABEL: {{^}}test_div_fmas_f32_inline_imm_2:
     58 ; SI-DAG: s_load_dword [[SA:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xb
     59 ; SI-DAG: s_load_dword [[SB:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xc
     60 ; SI-DAG: v_mov_b32_e32 [[VA:v[0-9]+]], [[SA]]
     61 ; SI-DAG: v_mov_b32_e32 [[VB:v[0-9]+]], [[SB]]
     62 ; SI: v_div_fmas_f32 [[RESULT:v[0-9]+]], [[VA]], [[VB]], 1.0
     63 ; SI: buffer_store_dword [[RESULT]],
     64 ; SI: s_endpgm
     65 define void @test_div_fmas_f32_inline_imm_2(float addrspace(1)* %out, float %a, float %b, float %c, i1 %d) nounwind {
     66   %result = call float @llvm.AMDGPU.div.fmas.f32(float %a, float %b, float 1.0, i1 %d) nounwind readnone
     67   store float %result, float addrspace(1)* %out, align 4
     68   ret void
     69 }
     70 
     71 ; GCN-LABEL: {{^}}test_div_fmas_f64:
     72 ; GCN: v_div_fmas_f64
     73 define void @test_div_fmas_f64(double addrspace(1)* %out, double %a, double %b, double %c, i1 %d) nounwind {
     74   %result = call double @llvm.AMDGPU.div.fmas.f64(double %a, double %b, double %c, i1 %d) nounwind readnone
     75   store double %result, double addrspace(1)* %out, align 8
     76   ret void
     77 }
     78 
     79 ; GCN-LABEL: {{^}}test_div_fmas_f32_cond_to_vcc:
     80 ; SI: v_cmp_eq_i32_e64 vcc, 0, s{{[0-9]+}}
     81 ; SI: v_div_fmas_f32 {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}
     82 define void @test_div_fmas_f32_cond_to_vcc(float addrspace(1)* %out, float %a, float %b, float %c, i32 %i) nounwind {
     83   %cmp = icmp eq i32 %i, 0
     84   %result = call float @llvm.AMDGPU.div.fmas.f32(float %a, float %b, float %c, i1 %cmp) nounwind readnone
     85   store float %result, float addrspace(1)* %out, align 4
     86   ret void
     87 }
     88 
     89 ; GCN-LABEL: {{^}}test_div_fmas_f32_imm_false_cond_to_vcc:
     90 ; SI: s_mov_b64 vcc, 0
     91 ; SI: v_div_fmas_f32 {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}
     92 define void @test_div_fmas_f32_imm_false_cond_to_vcc(float addrspace(1)* %out, float %a, float %b, float %c) nounwind {
     93   %result = call float @llvm.AMDGPU.div.fmas.f32(float %a, float %b, float %c, i1 false) nounwind readnone
     94   store float %result, float addrspace(1)* %out, align 4
     95   ret void
     96 }
     97 
     98 ; GCN-LABEL: {{^}}test_div_fmas_f32_imm_true_cond_to_vcc:
     99 ; SI: s_mov_b64 vcc, -1
    100 ; SI: v_div_fmas_f32 {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}
    101 define void @test_div_fmas_f32_imm_true_cond_to_vcc(float addrspace(1)* %out, float %a, float %b, float %c) nounwind {
    102   %result = call float @llvm.AMDGPU.div.fmas.f32(float %a, float %b, float %c, i1 true) nounwind readnone
    103   store float %result, float addrspace(1)* %out, align 4
    104   ret void
    105 }
    106 
    107 ; GCN-LABEL: {{^}}test_div_fmas_f32_logical_cond_to_vcc:
    108 ; SI-DAG: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
    109 ; SI-DAG: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4{{$}}
    110 ; SI-DAG: buffer_load_dword [[C:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:8{{$}}
    111 
    112 ; SI-DAG: v_cmp_eq_i32_e32 [[CMP0:vcc]], 0, v{{[0-9]+}}
    113 ; SI-DAG: v_cmp_ne_i32_e64 [[CMP1:s\[[0-9]+:[0-9]+\]]], 0, s{{[0-9]+}}
    114 ; SI: s_and_b64 vcc, [[CMP0]], [[CMP1]]
    115 ; SI: v_div_fmas_f32 {{v[0-9]+}}, [[A]], [[B]], [[C]]
    116 ; SI: s_endpgm
    117 define void @test_div_fmas_f32_logical_cond_to_vcc(float addrspace(1)* %out, float addrspace(1)* %in, i32 %d) nounwind {
    118   %tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
    119   %gep.a = getelementptr float, float addrspace(1)* %in, i32 %tid
    120   %gep.b = getelementptr float, float addrspace(1)* %gep.a, i32 1
    121   %gep.c = getelementptr float, float addrspace(1)* %gep.a, i32 2
    122   %gep.out = getelementptr float, float addrspace(1)* %out, i32 2
    123 
    124   %a = load float, float addrspace(1)* %gep.a
    125   %b = load float, float addrspace(1)* %gep.b
    126   %c = load float, float addrspace(1)* %gep.c
    127 
    128   %cmp0 = icmp eq i32 %tid, 0
    129   %cmp1 = icmp ne i32 %d, 0
    130   %and = and i1 %cmp0, %cmp1
    131 
    132   %result = call float @llvm.AMDGPU.div.fmas.f32(float %a, float %b, float %c, i1 %and) nounwind readnone
    133   store float %result, float addrspace(1)* %gep.out, align 4
    134   ret void
    135 }
    136 
    137 ; GCN-LABEL: {{^}}test_div_fmas_f32_i1_phi_vcc:
    138 ; SI: v_cmp_eq_i32_e32 vcc, 0, v{{[0-9]+}}
    139 ; SI: s_and_saveexec_b64 [[SAVE:s\[[0-9]+:[0-9]+\]]], vcc
    140 ; SI: s_xor_b64 [[SAVE]], exec, [[SAVE]]
    141 
    142 ; SI: buffer_load_dword [[LOAD:v[0-9]+]]
    143 ; SI: v_cmp_ne_i32_e32 vcc, 0, [[LOAD]]
    144 ; SI: v_cndmask_b32_e64 {{v[0-9]+}}, 0, -1, vcc
    145 
    146 
    147 ; SI: BB9_2:
    148 ; SI: s_or_b64 exec, exec, [[SAVE]]
    149 ; SI: v_cmp_ne_i32_e32 vcc, 0, v0
    150 ; SI: v_div_fmas_f32 {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}
    151 ; SI: buffer_store_dword
    152 ; SI: s_endpgm
    153 define void @test_div_fmas_f32_i1_phi_vcc(float addrspace(1)* %out, float addrspace(1)* %in, i32 addrspace(1)* %dummy) nounwind {
    154 entry:
    155   %tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
    156   %gep.out = getelementptr float, float addrspace(1)* %out, i32 2
    157   %gep.a = getelementptr float, float addrspace(1)* %in, i32 %tid
    158   %gep.b = getelementptr float, float addrspace(1)* %gep.a, i32 1
    159   %gep.c = getelementptr float, float addrspace(1)* %gep.a, i32 2
    160 
    161   %a = load float, float addrspace(1)* %gep.a
    162   %b = load float, float addrspace(1)* %gep.b
    163   %c = load float, float addrspace(1)* %gep.c
    164 
    165   %cmp0 = icmp eq i32 %tid, 0
    166   br i1 %cmp0, label %bb, label %exit
    167 
    168 bb:
    169   %val = load i32, i32 addrspace(1)* %dummy
    170   %cmp1 = icmp ne i32 %val, 0
    171   br label %exit
    172 
    173 exit:
    174   %cond = phi i1 [false, %entry], [%cmp1, %bb]
    175   %result = call float @llvm.AMDGPU.div.fmas.f32(float %a, float %b, float %c, i1 %cond) nounwind readnone
    176   store float %result, float addrspace(1)* %gep.out, align 4
    177   ret void
    178 }
    179