1 ; Test 32-bit signed comparison in which the second operand is constant. 2 ; 3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s 4 5 ; Check comparisons with 0. 6 define double @f1(double %a, double %b, i32 %i1) { 7 ; CHECK-LABEL: f1: 8 ; CHECK: cijl %r2, 0 9 ; CHECK: ldr %f0, %f2 10 ; CHECK: br %r14 11 %cond = icmp slt i32 %i1, 0 12 %res = select i1 %cond, double %a, double %b 13 ret double %res 14 } 15 16 ; Check comparisons with 2. 17 define double @f2(double %a, double %b, i32 %i1) { 18 ; CHECK-LABEL: f2: 19 ; CHECK: cijl %r2, 2 20 ; CHECK: ldr %f0, %f2 21 ; CHECK: br %r14 22 %cond = icmp slt i32 %i1, 2 23 %res = select i1 %cond, double %a, double %b 24 ret double %res 25 } 26 27 ; Check the high end of the CIJ range. 28 define double @f3(double %a, double %b, i32 %i1) { 29 ; CHECK-LABEL: f3: 30 ; CHECK: cijl %r2, 127 31 ; CHECK: ldr %f0, %f2 32 ; CHECK: br %r14 33 %cond = icmp slt i32 %i1, 127 34 %res = select i1 %cond, double %a, double %b 35 ret double %res 36 } 37 38 ; Check the next value up, which must use CHI instead. 39 define double @f4(double %a, double %b, i32 %i1) { 40 ; CHECK-LABEL: f4: 41 ; CHECK: chi %r2, 128 42 ; CHECK-NEXT: jl 43 ; CHECK: ldr %f0, %f2 44 ; CHECK: br %r14 45 %cond = icmp slt i32 %i1, 128 46 %res = select i1 %cond, double %a, double %b 47 ret double %res 48 } 49 50 ; Check the high end of the CHI range. 51 define double @f5(double %a, double %b, i32 %i1) { 52 ; CHECK-LABEL: f5: 53 ; CHECK: chi %r2, 32767 54 ; CHECK-NEXT: jl 55 ; CHECK: ldr %f0, %f2 56 ; CHECK: br %r14 57 %cond = icmp slt i32 %i1, 32767 58 %res = select i1 %cond, double %a, double %b 59 ret double %res 60 } 61 62 ; Check the next value up, which must use CFI. 63 define double @f6(double %a, double %b, i32 %i1) { 64 ; CHECK-LABEL: f6: 65 ; CHECK: cfi %r2, 32768 66 ; CHECK-NEXT: jl 67 ; CHECK: ldr %f0, %f2 68 ; CHECK: br %r14 69 %cond = icmp slt i32 %i1, 32768 70 %res = select i1 %cond, double %a, double %b 71 ret double %res 72 } 73 74 ; Check the high end of the signed 32-bit range. 75 define double @f7(double %a, double %b, i32 %i1) { 76 ; CHECK-LABEL: f7: 77 ; CHECK: cfi %r2, 2147483647 78 ; CHECK-NEXT: je 79 ; CHECK: ldr %f0, %f2 80 ; CHECK: br %r14 81 %cond = icmp eq i32 %i1, 2147483647 82 %res = select i1 %cond, double %a, double %b 83 ret double %res 84 } 85 86 ; Check the next value up, which should be treated as a negative value. 87 define double @f8(double %a, double %b, i32 %i1) { 88 ; CHECK-LABEL: f8: 89 ; CHECK: cfi %r2, -2147483648 90 ; CHECK-NEXT: je 91 ; CHECK: ldr %f0, %f2 92 ; CHECK: br %r14 93 %cond = icmp eq i32 %i1, 2147483648 94 %res = select i1 %cond, double %a, double %b 95 ret double %res 96 } 97 98 ; Check the high end of the negative CIJ range. 99 define double @f9(double %a, double %b, i32 %i1) { 100 ; CHECK-LABEL: f9: 101 ; CHECK: cijl %r2, -1 102 ; CHECK: ldr %f0, %f2 103 ; CHECK: br %r14 104 %cond = icmp slt i32 %i1, -1 105 %res = select i1 %cond, double %a, double %b 106 ret double %res 107 } 108 109 ; Check the low end of the CIJ range. 110 define double @f10(double %a, double %b, i32 %i1) { 111 ; CHECK-LABEL: f10: 112 ; CHECK: cijl %r2, -128 113 ; CHECK: ldr %f0, %f2 114 ; CHECK: br %r14 115 %cond = icmp slt i32 %i1, -128 116 %res = select i1 %cond, double %a, double %b 117 ret double %res 118 } 119 120 ; Check the next value down, which must use CHI instead. 121 define double @f11(double %a, double %b, i32 %i1) { 122 ; CHECK-LABEL: f11: 123 ; CHECK: chi %r2, -129 124 ; CHECK-NEXT: jl 125 ; CHECK: ldr %f0, %f2 126 ; CHECK: br %r14 127 %cond = icmp slt i32 %i1, -129 128 %res = select i1 %cond, double %a, double %b 129 ret double %res 130 } 131 132 ; Check the low end of the CHI range. 133 define double @f12(double %a, double %b, i32 %i1) { 134 ; CHECK-LABEL: f12: 135 ; CHECK: chi %r2, -32768 136 ; CHECK-NEXT: jl 137 ; CHECK: ldr %f0, %f2 138 ; CHECK: br %r14 139 %cond = icmp slt i32 %i1, -32768 140 %res = select i1 %cond, double %a, double %b 141 ret double %res 142 } 143 144 ; Check the next value down, which must use CFI instead. 145 define double @f13(double %a, double %b, i32 %i1) { 146 ; CHECK-LABEL: f13: 147 ; CHECK: cfi %r2, -32769 148 ; CHECK-NEXT: jl 149 ; CHECK: ldr %f0, %f2 150 ; CHECK: br %r14 151 %cond = icmp slt i32 %i1, -32769 152 %res = select i1 %cond, double %a, double %b 153 ret double %res 154 } 155 156 ; Check the low end of the signed 32-bit range. 157 define double @f14(double %a, double %b, i32 %i1) { 158 ; CHECK-LABEL: f14: 159 ; CHECK: cfi %r2, -2147483648 160 ; CHECK-NEXT: je 161 ; CHECK: ldr %f0, %f2 162 ; CHECK: br %r14 163 %cond = icmp eq i32 %i1, -2147483648 164 %res = select i1 %cond, double %a, double %b 165 ret double %res 166 } 167 168 ; Check the next value down, which should be treated as a positive value. 169 define double @f15(double %a, double %b, i32 %i1) { 170 ; CHECK-LABEL: f15: 171 ; CHECK: cfi %r2, 2147483647 172 ; CHECK-NEXT: je 173 ; CHECK: ldr %f0, %f2 174 ; CHECK: br %r14 175 %cond = icmp eq i32 %i1, -2147483649 176 %res = select i1 %cond, double %a, double %b 177 ret double %res 178 } 179 180 ; Check that < 1 becomes <= 0. 181 define double @f16(double %a, double %b, i32 %i1) { 182 ; CHECK-LABEL: f16: 183 ; CHECK: cijle %r2, 0 184 ; CHECK: ldr %f0, %f2 185 ; CHECK: br %r14 186 %cond = icmp slt i32 %i1, 1 187 %res = select i1 %cond, double %a, double %b 188 ret double %res 189 } 190 191 ; Check that >= 1 becomes > 0. 192 define double @f17(double %a, double %b, i32 %i1) { 193 ; CHECK-LABEL: f17: 194 ; CHECK: cijh %r2, 0 195 ; CHECK: ldr %f0, %f2 196 ; CHECK: br %r14 197 %cond = icmp sge i32 %i1, 1 198 %res = select i1 %cond, double %a, double %b 199 ret double %res 200 } 201 202 ; Check that > -1 becomes >= 0. 203 define double @f18(double %a, double %b, i32 %i1) { 204 ; CHECK-LABEL: f18: 205 ; CHECK: cijhe %r2, 0 206 ; CHECK: ldr %f0, %f2 207 ; CHECK: br %r14 208 %cond = icmp sgt i32 %i1, -1 209 %res = select i1 %cond, double %a, double %b 210 ret double %res 211 } 212 213 ; Check that <= -1 becomes < 0. 214 define double @f19(double %a, double %b, i32 %i1) { 215 ; CHECK-LABEL: f19: 216 ; CHECK: cijl %r2, 0 217 ; CHECK: ldr %f0, %f2 218 ; CHECK: br %r14 219 %cond = icmp sle i32 %i1, -1 220 %res = select i1 %cond, double %a, double %b 221 ret double %res 222 } 223
