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 %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 CLIJ range. 19 define double @f2(double %a, double %b, i32 %i1) { 20 ; CHECK-LABEL: f2: 21 ; CHECK: clijl %r2, 255 22 ; CHECK: ldr %f0, %f2 23 ; CHECK: br %r14 24 %cond = icmp ult i32 %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. 31 define double @f3(double %a, double %b, i32 %i1) { 32 ; CHECK-LABEL: f3: 33 ; CHECK: clfi %r2, 256 34 ; CHECK: jl 35 ; CHECK: ldr %f0, %f2 36 ; CHECK: br %r14 37 %cond = icmp ult i32 %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 a value near the high end of the range. 44 define double @f4(double %a, double %b, i32 %i1) { 45 ; CHECK-LABEL: f4: 46 ; CHECK: clfi %r2, 4294967280 47 ; CHECK-NEXT: jl 48 ; CHECK: ldr %f0, %f2 49 ; CHECK: br %r14 50 %cond = icmp ult i32 %i1, 4294967280 51 %tmp = select i1 %cond, double %a, double %b 52 %res = fadd double %tmp, 1.0 53 ret double %res 54 } 55
