|  | ; Test 32-bit unsigned comparisons in which the second operand is constant. | 
|  | ; | 
|  | ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s | 
|  |  | 
|  | ; Check a value near the low end of the range.  We use signed forms for | 
|  | ; comparisons with zero, or things that are equivalent to them. | 
|  | define double @f1(double %a, double %b, i32 %i1) { | 
|  | ; CHECK-LABEL: f1: | 
|  | ; CHECK: clijh %r2, 1 | 
|  | ; CHECK: ldr %f0, %f2 | 
|  | ; CHECK: br %r14 | 
|  | %cond = icmp ugt i32 %i1, 1 | 
|  | %tmp = select i1 %cond, double %a, double %b | 
|  | %res = fadd double %tmp, 1.0 | 
|  | ret double %res | 
|  | } | 
|  |  | 
|  | ; Check the top of the CLIJ range. | 
|  | define double @f2(double %a, double %b, i32 %i1) { | 
|  | ; CHECK-LABEL: f2: | 
|  | ; CHECK: clijl %r2, 255 | 
|  | ; CHECK: ldr %f0, %f2 | 
|  | ; CHECK: br %r14 | 
|  | %cond = icmp ult i32 %i1, 255 | 
|  | %tmp = select i1 %cond, double %a, double %b | 
|  | %res = fadd double %tmp, 1.0 | 
|  | ret double %res | 
|  | } | 
|  |  | 
|  | ; Check the next value up, which needs a separate comparison. | 
|  | define double @f3(double %a, double %b, i32 %i1) { | 
|  | ; CHECK-LABEL: f3: | 
|  | ; CHECK: clfi %r2, 256 | 
|  | ; CHECK: jl | 
|  | ; CHECK: ldr %f0, %f2 | 
|  | ; CHECK: br %r14 | 
|  | %cond = icmp ult i32 %i1, 256 | 
|  | %tmp = select i1 %cond, double %a, double %b | 
|  | %res = fadd double %tmp, 1.0 | 
|  | ret double %res | 
|  | } | 
|  |  | 
|  | ; Check a value near the high end of the range. | 
|  | define double @f4(double %a, double %b, i32 %i1) { | 
|  | ; CHECK-LABEL: f4: | 
|  | ; CHECK: clfi %r2, 4294967280 | 
|  | ; CHECK-NEXT: jl | 
|  | ; CHECK: ldr %f0, %f2 | 
|  | ; CHECK: br %r14 | 
|  | %cond = icmp ult i32 %i1, 4294967280 | 
|  | %tmp = select i1 %cond, double %a, double %b | 
|  | %res = fadd double %tmp, 1.0 | 
|  | ret double %res | 
|  | } |