1; Test 64-bit unsigned comparisons in which the second operand is constant. 2; 3; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s 4 5; Check a value near the low end of the range. We use signed forms for 6; comparisons with zero, or things that are equivalent to them. 7define double @f1(double %a, double %b, i64 %i1) { 8; CHECK-LABEL: f1: 9; CHECK: clgijh %r2, 1 10; CHECK: ldr %f0, %f2 11; CHECK: br %r14 12 %cond = icmp ugt i64 %i1, 1 13 %tmp = select i1 %cond, double %a, double %b 14 %res = fadd double %tmp, 1.0 15 ret double %res 16} 17 18; Check the top of the CLGIJ range. 19define double @f2(double %a, double %b, i64 %i1) { 20; CHECK-LABEL: f2: 21; CHECK: clgijl %r2, 255 22; CHECK: ldr %f0, %f2 23; CHECK: br %r14 24 %cond = icmp ult i64 %i1, 255 25 %tmp = select i1 %cond, double %a, double %b 26 %res = fadd double %tmp, 1.0 27 ret double %res 28} 29 30; Check the next value up, which needs a separate comparison. 31define double @f3(double %a, double %b, i64 %i1) { 32; CHECK-LABEL: f3: 33; CHECK: clgfi %r2, 256 34; CHECK: jl 35; CHECK: ldr %f0, %f2 36; CHECK: br %r14 37 %cond = icmp ult i64 %i1, 256 38 %tmp = select i1 %cond, double %a, double %b 39 %res = fadd double %tmp, 1.0 40 ret double %res 41} 42 43; Check the high end of the CLGFI range. 44define double @f4(double %a, double %b, i64 %i1) { 45; CHECK-LABEL: f4: 46; CHECK: clgfi %r2, 4294967295 47; CHECK-NEXT: jl 48; CHECK: ldr %f0, %f2 49; CHECK: br %r14 50 %cond = icmp ult i64 %i1, 4294967295 51 %tmp = select i1 %cond, double %a, double %b 52 %res = fadd double %tmp, 1.0 53 ret double %res 54} 55 56; Check the next value up, which can use a shifted comparison 57define double @f5(double %a, double %b, i64 %i1) { 58; CHECK-LABEL: f5: 59; CHECK: srlg [[REG:%r[0-5]]], %r2, 32 60; CHECK: cgije [[REG]], 0 61; CHECK: ldr %f0, %f2 62; CHECK: br %r14 63 %cond = icmp ult i64 %i1, 4294967296 64 %tmp = select i1 %cond, double %a, double %b 65 %res = fadd double %tmp, 1.0 66 ret double %res 67} 68; Check the next value up, which must use a register comparison. 69define double @f6(double %a, double %b, i64 %i1) { 70; CHECK-LABEL: f6: 71; CHECK: clgrjl %r2, 72; CHECK: ldr %f0, %f2 73; CHECK: br %r14 74 %cond = icmp ult i64 %i1, 4294967297 75 %tmp = select i1 %cond, double %a, double %b 76 %res = fadd double %tmp, 1.0 77 ret double %res 78} 79