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. 6define 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. 17define 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. 28define 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. 39define 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. 51define 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. 63define 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. 75define 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. 87define 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. 99define 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. 110define 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. 121define 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. 133define 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. 145define 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. 157define 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. 169define 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. 181define 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. 192define 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. 203define 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. 214define 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