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 CGFI for comparisons 6; with zero, or things that are equivalent to them. 7define double @f1(double %a, double %b, i64 %i1) { 8; CHECK: f1: 9; CHECK: clgfi %r2, 1 10; CHECK-NEXT: jh 11; CHECK: ldr %f0, %f2 12; CHECK: br %r14 13 %cond = icmp ugt i64 %i1, 1 14 %res = select i1 %cond, double %a, double %b 15 ret double %res 16} 17 18; Check the high end of the CLGFI range. 19define double @f2(double %a, double %b, i64 %i1) { 20; CHECK: f2: 21; CHECK: clgfi %r2, 4294967295 22; CHECK-NEXT: jl 23; CHECK: ldr %f0, %f2 24; CHECK: br %r14 25 %cond = icmp ult i64 %i1, 4294967295 26 %res = select i1 %cond, double %a, double %b 27 ret double %res 28} 29 30; Check the next value up, which must use a register comparison. 31define double @f3(double %a, double %b, i64 %i1) { 32; CHECK: f3: 33; CHECK: clgr %r2, 34; CHECK-NEXT: jl 35; CHECK: ldr %f0, %f2 36; CHECK: br %r14 37 %cond = icmp ult i64 %i1, 4294967296 38 %res = select i1 %cond, double %a, double %b 39 ret double %res 40} 41