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121
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1 ; Test vector maximum on z14.
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2 ;
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3 ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
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4
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5 declare double @fmax(double, double)
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6 declare double @llvm.maxnum.f64(double, double)
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7 declare <2 x double> @llvm.maxnum.v2f64(<2 x double>, <2 x double>)
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8
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9 declare float @fmaxf(float, float)
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10 declare float @llvm.maxnum.f32(float, float)
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11 declare <4 x float> @llvm.maxnum.v4f32(<4 x float>, <4 x float>)
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12
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13 declare fp128 @fmaxl(fp128, fp128)
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14 declare fp128 @llvm.maxnum.f128(fp128, fp128)
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15
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16 ; Test the fmax library function.
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17 define double @f1(double %dummy, double %val1, double %val2) {
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18 ; CHECK-LABEL: f1:
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19 ; CHECK: wfmaxdb %f0, %f2, %f4, 4
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20 ; CHECK: br %r14
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21 %ret = call double @fmax(double %val1, double %val2) readnone
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22 ret double %ret
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23 }
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24
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25 ; Test the f64 maxnum intrinsic.
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26 define double @f2(double %dummy, double %val1, double %val2) {
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27 ; CHECK-LABEL: f2:
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28 ; CHECK: wfmaxdb %f0, %f2, %f4, 4
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29 ; CHECK: br %r14
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30 %ret = call double @llvm.maxnum.f64(double %val1, double %val2)
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31 ret double %ret
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32 }
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33
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34 ; Test a f64 constant compare/select resulting in maxnum.
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35 define double @f3(double %dummy, double %val) {
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36 ; CHECK-LABEL: f3:
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37 ; CHECK: lzdr [[REG:%f[0-9]+]]
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38 ; CHECK: wfmaxdb %f0, %f2, [[REG]], 4
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39 ; CHECK: br %r14
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40 %cmp = fcmp ogt double %val, 0.0
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41 %ret = select i1 %cmp, double %val, double 0.0
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42 ret double %ret
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43 }
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44
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45 ; Test a f64 constant compare/select resulting in maxnan.
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46 define double @f4(double %dummy, double %val) {
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47 ; CHECK-LABEL: f4:
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48 ; CHECK: lzdr [[REG:%f[0-9]+]]
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49 ; CHECK: wfmaxdb %f0, %f2, [[REG]], 1
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50 ; CHECK: br %r14
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51 %cmp = fcmp ugt double %val, 0.0
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52 %ret = select i1 %cmp, double %val, double 0.0
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53 ret double %ret
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54 }
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55
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56 ; Test the v2f64 maxnum intrinsic.
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57 define <2 x double> @f5(<2 x double> %dummy, <2 x double> %val1,
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58 <2 x double> %val2) {
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59 ; CHECK-LABEL: f5:
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60 ; CHECK: vfmaxdb %v24, %v26, %v28, 4
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61 ; CHECK: br %r14
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62 %ret = call <2 x double> @llvm.maxnum.v2f64(<2 x double> %val1, <2 x double> %val2)
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63 ret <2 x double> %ret
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64 }
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65
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66 ; Test the fmaxf library function.
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67 define float @f11(float %dummy, float %val1, float %val2) {
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68 ; CHECK-LABEL: f11:
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69 ; CHECK: wfmaxsb %f0, %f2, %f4, 4
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70 ; CHECK: br %r14
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71 %ret = call float @fmaxf(float %val1, float %val2) readnone
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72 ret float %ret
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73 }
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74
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75 ; Test the f32 maxnum intrinsic.
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76 define float @f12(float %dummy, float %val1, float %val2) {
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77 ; CHECK-LABEL: f12:
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78 ; CHECK: wfmaxsb %f0, %f2, %f4, 4
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79 ; CHECK: br %r14
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80 %ret = call float @llvm.maxnum.f32(float %val1, float %val2)
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81 ret float %ret
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82 }
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83
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84 ; Test a f32 constant compare/select resulting in maxnum.
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85 define float @f13(float %dummy, float %val) {
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86 ; CHECK-LABEL: f13:
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87 ; CHECK: lzer [[REG:%f[0-9]+]]
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88 ; CHECK: wfmaxsb %f0, %f2, [[REG]], 4
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89 ; CHECK: br %r14
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90 %cmp = fcmp ogt float %val, 0.0
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91 %ret = select i1 %cmp, float %val, float 0.0
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92 ret float %ret
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93 }
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94
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95 ; Test a f32 constant compare/select resulting in maxnan.
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96 define float @f14(float %dummy, float %val) {
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97 ; CHECK-LABEL: f14:
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98 ; CHECK: lzer [[REG:%f[0-9]+]]
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99 ; CHECK: wfmaxsb %f0, %f2, [[REG]], 1
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100 ; CHECK: br %r14
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101 %cmp = fcmp ugt float %val, 0.0
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102 %ret = select i1 %cmp, float %val, float 0.0
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103 ret float %ret
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104 }
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105
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106 ; Test the v4f32 maxnum intrinsic.
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107 define <4 x float> @f15(<4 x float> %dummy, <4 x float> %val1,
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108 <4 x float> %val2) {
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109 ; CHECK-LABEL: f15:
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110 ; CHECK: vfmaxsb %v24, %v26, %v28, 4
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111 ; CHECK: br %r14
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112 %ret = call <4 x float> @llvm.maxnum.v4f32(<4 x float> %val1, <4 x float> %val2)
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113 ret <4 x float> %ret
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114 }
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115
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116 ; Test the fmaxl library function.
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117 define void @f21(fp128 *%ptr1, fp128 *%ptr2, fp128 *%dst) {
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118 ; CHECK-LABEL: f21:
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119 ; CHECK-DAG: vl [[REG1:%v[0-9]+]], 0(%r2)
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120 ; CHECK-DAG: vl [[REG2:%v[0-9]+]], 0(%r3)
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121 ; CHECK: wfmaxxb [[RES:%v[0-9]+]], [[REG1]], [[REG2]], 4
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122 ; CHECK: vst [[RES]], 0(%r4)
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123 ; CHECK: br %r14
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124 %val1 = load fp128, fp128* %ptr1
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125 %val2 = load fp128, fp128* %ptr2
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126 %res = call fp128 @fmaxl(fp128 %val1, fp128 %val2) readnone
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127 store fp128 %res, fp128* %dst
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128 ret void
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129 }
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130
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131 ; Test the f128 maxnum intrinsic.
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132 define void @f22(fp128 *%ptr1, fp128 *%ptr2, fp128 *%dst) {
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133 ; CHECK-LABEL: f22:
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134 ; CHECK-DAG: vl [[REG1:%v[0-9]+]], 0(%r2)
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135 ; CHECK-DAG: vl [[REG2:%v[0-9]+]], 0(%r3)
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136 ; CHECK: wfmaxxb [[RES:%v[0-9]+]], [[REG1]], [[REG2]], 4
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137 ; CHECK: vst [[RES]], 0(%r4)
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138 ; CHECK: br %r14
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139 %val1 = load fp128, fp128* %ptr1
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140 %val2 = load fp128, fp128* %ptr2
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141 %res = call fp128 @llvm.maxnum.f128(fp128 %val1, fp128 %val2)
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142 store fp128 %res, fp128* %dst
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143 ret void
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144 }
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145
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146 ; Test a f128 constant compare/select resulting in maxnum.
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147 define void @f23(fp128 *%ptr, fp128 *%dst) {
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148 ; CHECK-LABEL: f23:
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149 ; CHECK-DAG: vl [[REG1:%v[0-9]+]], 0(%r2)
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150 ; CHECK-DAG: vzero [[REG2:%v[0-9]+]]
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151 ; CHECK: wfmaxxb [[RES:%v[0-9]+]], [[REG1]], [[REG2]], 4
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152 ; CHECK: vst [[RES]], 0(%r3)
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153 ; CHECK: br %r14
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154 %val = load fp128, fp128* %ptr
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155 %cmp = fcmp ogt fp128 %val, 0xL00000000000000000000000000000000
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156 %res = select i1 %cmp, fp128 %val, fp128 0xL00000000000000000000000000000000
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157 store fp128 %res, fp128* %dst
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158 ret void
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159 }
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160
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161 ; Test a f128 constant compare/select resulting in maxnan.
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162 define void @f24(fp128 *%ptr, fp128 *%dst) {
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163 ; CHECK-LABEL: f24:
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164 ; CHECK-DAG: vl [[REG1:%v[0-9]+]], 0(%r2)
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165 ; CHECK-DAG: vzero [[REG2:%v[0-9]+]]
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166 ; CHECK: wfmaxxb [[RES:%v[0-9]+]], [[REG1]], [[REG2]], 1
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167 ; CHECK: vst [[RES]], 0(%r3)
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168 ; CHECK: br %r14
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169 %val = load fp128, fp128* %ptr
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170 %cmp = fcmp ugt fp128 %val, 0xL00000000000000000000000000000000
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171 %res = select i1 %cmp, fp128 %val, fp128 0xL00000000000000000000000000000000
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172 store fp128 %res, fp128* %dst
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173 ret void
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174 }
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175
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