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. 7 define double @f1(double %a, double %b, i64 %i1) { 8 ; CHECK-LABEL: 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. 19 define double @f2(double %a, double %b, i64 %i1) { 20 ; CHECK-LABEL: 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. 31 define double @f3(double %a, double %b, i64 %i1) { 32 ; CHECK-LABEL: 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
