1 ; Test 64-bit unsigned comparisons in which the second operand is constant.
3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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, i64 %i1) {
12 %cond = icmp ugt i64 %i1, 1
13 %tmp = select i1 %cond, double %a, double %b
14 %res = fadd double %tmp, 1.0
18 ; Check the top of the CLGIJ range.
19 define double @f2(double %a, double %b, i64 %i1) {
21 ; CHECK: clgijl %r2, 255
24 %cond = icmp ult i64 %i1, 255
25 %tmp = select i1 %cond, double %a, double %b
26 %res = fadd double %tmp, 1.0
30 ; Check the next value up, which needs a separate comparison.
31 define double @f3(double %a, double %b, i64 %i1) {
33 ; CHECK: clgfi %r2, 256
37 %cond = icmp ult i64 %i1, 256
38 %tmp = select i1 %cond, double %a, double %b
39 %res = fadd double %tmp, 1.0
43 ; Check the high end of the CLGFI range.
44 define double @f4(double %a, double %b, i64 %i1) {
46 ; CHECK: clgfi %r2, 4294967295
50 %cond = icmp ult i64 %i1, 4294967295
51 %tmp = select i1 %cond, double %a, double %b
52 %res = fadd double %tmp, 1.0
56 ; Check the next value up, which can use a shifted comparison
57 define double @f5(double %a, double %b, i64 %i1) {
59 ; CHECK: srlg [[REG:%r[0-5]]], %r2, 32
60 ; CHECK: cgije [[REG]], 0
63 %cond = icmp ult i64 %i1, 4294967296
64 %tmp = select i1 %cond, double %a, double %b
65 %res = fadd double %tmp, 1.0
68 ; Check the next value up, which must use a register comparison.
69 define double @f6(double %a, double %b, i64 %i1) {
74 %cond = icmp ult i64 %i1, 4294967297
75 %tmp = select i1 %cond, double %a, double %b
76 %res = fadd double %tmp, 1.0