1 ; Test 64-bit signed comparisons in which the second operand is a 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, i64 %i1) { 7 ; CHECK-LABEL: f1: 8 ; CHECK: cgijl %r2, 0 9 ; CHECK: ldr %f0, %f2 10 ; CHECK: br %r14 11 %cond = icmp slt i64 %i1, 0 12 %res = select i1 %cond, double %a, double %b 13 ret double %res 14 } 15 16 ; Check comparisons with 1. 17 define double @f2(double %a, double %b, i64 %i1) { 18 ; CHECK-LABEL: f2: 19 ; CHECK: cgijle %r2, 0 20 ; CHECK: ldr %f0, %f2 21 ; CHECK: br %r14 22 %cond = icmp slt i64 %i1, 1 23 %res = select i1 %cond, double %a, double %b 24 ret double %res 25 } 26 27 ; Check the high end of the CGIJ range. 28 define double @f3(double %a, double %b, i64 %i1) { 29 ; CHECK-LABEL: f3: 30 ; CHECK: cgijl %r2, 127 31 ; CHECK: ldr %f0, %f2 32 ; CHECK: br %r14 33 %cond = icmp slt i64 %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 CGHI instead. 39 define double @f4(double %a, double %b, i64 %i1) { 40 ; CHECK-LABEL: f4: 41 ; CHECK: cghi %r2, 128 42 ; CHECK-NEXT: jl 43 ; CHECK: ldr %f0, %f2 44 ; CHECK: br %r14 45 %cond = icmp slt i64 %i1, 128 46 %res = select i1 %cond, double %a, double %b 47 ret double %res 48 } 49 50 ; Check the high end of the CGHI range. 51 define double @f5(double %a, double %b, i64 %i1) { 52 ; CHECK-LABEL: f5: 53 ; CHECK: cghi %r2, 32767 54 ; CHECK-NEXT: jl 55 ; CHECK: ldr %f0, %f2 56 ; CHECK: br %r14 57 %cond = icmp slt i64 %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 CGFI. 63 define double @f6(double %a, double %b, i64 %i1) { 64 ; CHECK-LABEL: f6: 65 ; CHECK: cgfi %r2, 32768 66 ; CHECK-NEXT: jl 67 ; CHECK: ldr %f0, %f2 68 ; CHECK: br %r14 69 %cond = icmp slt i64 %i1, 32768 70 %res = select i1 %cond, double %a, double %b 71 ret double %res 72 } 73 74 ; Check the high end of the CGFI range. 75 define double @f7(double %a, double %b, i64 %i1) { 76 ; CHECK-LABEL: f7: 77 ; CHECK: cgfi %r2, 2147483647 78 ; CHECK-NEXT: jl 79 ; CHECK: ldr %f0, %f2 80 ; CHECK: br %r14 81 %cond = icmp slt i64 %i1, 2147483647 82 %res = select i1 %cond, double %a, double %b 83 ret double %res 84 } 85 86 ; Check the next value up, which must use register comparison. 87 define double @f8(double %a, double %b, i64 %i1) { 88 ; CHECK-LABEL: f8: 89 ; CHECK: cgrjl 90 ; CHECK: ldr %f0, %f2 91 ; CHECK: br %r14 92 %cond = icmp slt i64 %i1, 2147483648 93 %res = select i1 %cond, double %a, double %b 94 ret double %res 95 } 96 97 ; Check the high end of the negative CGIJ range. 98 define double @f9(double %a, double %b, i64 %i1) { 99 ; CHECK-LABEL: f9: 100 ; CHECK: cgijl %r2, -1 101 ; CHECK: ldr %f0, %f2 102 ; CHECK: br %r14 103 %cond = icmp slt i64 %i1, -1 104 %res = select i1 %cond, double %a, double %b 105 ret double %res 106 } 107 108 ; Check the low end of the CGIJ range. 109 define double @f10(double %a, double %b, i64 %i1) { 110 ; CHECK-LABEL: f10: 111 ; CHECK: cgijl %r2, -128 112 ; CHECK: ldr %f0, %f2 113 ; CHECK: br %r14 114 %cond = icmp slt i64 %i1, -128 115 %res = select i1 %cond, double %a, double %b 116 ret double %res 117 } 118 119 ; Check the next value down, which must use CGHI instead. 120 define double @f11(double %a, double %b, i64 %i1) { 121 ; CHECK-LABEL: f11: 122 ; CHECK: cghi %r2, -129 123 ; CHECK-NEXT: jl 124 ; CHECK: ldr %f0, %f2 125 ; CHECK: br %r14 126 %cond = icmp slt i64 %i1, -129 127 %res = select i1 %cond, double %a, double %b 128 ret double %res 129 } 130 131 ; Check the low end of the CGHI range. 132 define double @f12(double %a, double %b, i64 %i1) { 133 ; CHECK-LABEL: f12: 134 ; CHECK: cghi %r2, -32768 135 ; CHECK-NEXT: jl 136 ; CHECK: ldr %f0, %f2 137 ; CHECK: br %r14 138 %cond = icmp slt i64 %i1, -32768 139 %res = select i1 %cond, double %a, double %b 140 ret double %res 141 } 142 143 ; Check the next value down, which must use CGFI instead. 144 define double @f13(double %a, double %b, i64 %i1) { 145 ; CHECK-LABEL: f13: 146 ; CHECK: cgfi %r2, -32769 147 ; CHECK-NEXT: jl 148 ; CHECK: ldr %f0, %f2 149 ; CHECK: br %r14 150 %cond = icmp slt i64 %i1, -32769 151 %res = select i1 %cond, double %a, double %b 152 ret double %res 153 } 154 155 ; Check the low end of the CGFI range. 156 define double @f14(double %a, double %b, i64 %i1) { 157 ; CHECK-LABEL: f14: 158 ; CHECK: cgfi %r2, -2147483648 159 ; CHECK-NEXT: jl 160 ; CHECK: ldr %f0, %f2 161 ; CHECK: br %r14 162 %cond = icmp slt i64 %i1, -2147483648 163 %res = select i1 %cond, double %a, double %b 164 ret double %res 165 } 166 167 ; Check the next value down, which must use register comparison. 168 define double @f15(double %a, double %b, i64 %i1) { 169 ; CHECK-LABEL: f15: 170 ; CHECK: cgrjl 171 ; CHECK: ldr %f0, %f2 172 ; CHECK: br %r14 173 %cond = icmp slt i64 %i1, -2147483649 174 %res = select i1 %cond, double %a, double %b 175 ret double %res 176 } 177
