1 ; Test 32-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. 7 define double @f1(double %a, double %b, i32 %i1) { 8 ; CHECK-LABEL: f1: 9 ; CHECK: clijh %r2, 1 10 ; CHECK: ldr %f0, %f2 11 ; CHECK: br %r14 12 %cond = icmp ugt i32 %i1, 1 13 %res = select i1 %cond, double %a, double %b 14 ret double %res 15 } 16 17 ; Check the top of the CLIJ range. 18 define double @f2(double %a, double %b, i32 %i1) { 19 ; CHECK-LABEL: f2: 20 ; CHECK: clijl %r2, 255 21 ; CHECK: ldr %f0, %f2 22 ; CHECK: br %r14 23 %cond = icmp ult i32 %i1, 255 24 %res = select i1 %cond, double %a, double %b 25 ret double %res 26 } 27 28 ; Check the next value up, which needs a separate comparison. 29 define double @f3(double %a, double %b, i32 %i1) { 30 ; CHECK-LABEL: f3: 31 ; CHECK: clfi %r2, 256 32 ; CHECK: jl 33 ; CHECK: ldr %f0, %f2 34 ; CHECK: br %r14 35 %cond = icmp ult i32 %i1, 256 36 %res = select i1 %cond, double %a, double %b 37 ret double %res 38 } 39 40 ; Check a value near the high end of the range. 41 define double @f4(double %a, double %b, i32 %i1) { 42 ; CHECK-LABEL: f4: 43 ; CHECK: clfi %r2, 4294967280 44 ; CHECK-NEXT: jl 45 ; CHECK: ldr %f0, %f2 46 ; CHECK: br %r14 47 %cond = icmp ult i32 %i1, 4294967280 48 %res = select i1 %cond, double %a, double %b 49 ret double %res 50 } 51
