1 ; Test 64-bit inequality comparisons in which the second operand is a constant.
3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
5 ; Check comparisons with 0.
6 define double @f1(double %a, double %b, i64 %i1) {
9 ; CHECK-NEXT: j{{g?}}lh
12 %cond = icmp ne i64 %i1, 0
13 %res = select i1 %cond, double %a, double %b
17 ; Check the high end of the CGHI range.
18 define double @f2(double %a, double %b, i64 %i1) {
20 ; CHECK: cghi %r2, 32767
21 ; CHECK-NEXT: j{{g?}}lh
24 %cond = icmp ne i64 %i1, 32767
25 %res = select i1 %cond, double %a, double %b
29 ; Check the next value up, which must use CGFI.
30 define double @f3(double %a, double %b, i64 %i1) {
32 ; CHECK: cgfi %r2, 32768
33 ; CHECK-NEXT: j{{g?}}lh
36 %cond = icmp ne i64 %i1, 32768
37 %res = select i1 %cond, double %a, double %b
41 ; Check the high end of the CGFI range.
42 define double @f4(double %a, double %b, i64 %i1) {
44 ; CHECK: cgfi %r2, 2147483647
45 ; CHECK-NEXT: j{{g?}}lh
48 %cond = icmp ne i64 %i1, 2147483647
49 %res = select i1 %cond, double %a, double %b
53 ; Check the next value up, which should use CLGFI instead.
54 define double @f5(double %a, double %b, i64 %i1) {
56 ; CHECK: clgfi %r2, 2147483648
57 ; CHECK-NEXT: j{{g?}}lh
60 %cond = icmp ne i64 %i1, 2147483648
61 %res = select i1 %cond, double %a, double %b
65 ; Check the high end of the CLGFI range.
66 define double @f6(double %a, double %b, i64 %i1) {
68 ; CHECK: clgfi %r2, 4294967295
69 ; CHECK-NEXT: j{{g?}}lh
72 %cond = icmp ne i64 %i1, 4294967295
73 %res = select i1 %cond, double %a, double %b
77 ; Check the next value up, which must use a register comparison.
78 define double @f7(double %a, double %b, i64 %i1) {
81 ; CHECK-NEXT: j{{g?}}lh
84 %cond = icmp ne i64 %i1, 4294967296
85 %res = select i1 %cond, double %a, double %b
89 ; Check the high end of the negative CGHI range.
90 define double @f8(double %a, double %b, i64 %i1) {
93 ; CHECK-NEXT: j{{g?}}lh
96 %cond = icmp ne i64 %i1, -1
97 %res = select i1 %cond, double %a, double %b
101 ; Check the low end of the CGHI range.
102 define double @f9(double %a, double %b, i64 %i1) {
104 ; CHECK: cghi %r2, -32768
105 ; CHECK-NEXT: j{{g?}}lh
106 ; CHECK: ldr %f0, %f2
108 %cond = icmp ne i64 %i1, -32768
109 %res = select i1 %cond, double %a, double %b
113 ; Check the next value down, which must use CGFI instead.
114 define double @f10(double %a, double %b, i64 %i1) {
116 ; CHECK: cgfi %r2, -32769
117 ; CHECK-NEXT: j{{g?}}lh
118 ; CHECK: ldr %f0, %f2
120 %cond = icmp ne i64 %i1, -32769
121 %res = select i1 %cond, double %a, double %b
125 ; Check the low end of the CGFI range.
126 define double @f11(double %a, double %b, i64 %i1) {
128 ; CHECK: cgfi %r2, -2147483648
129 ; CHECK-NEXT: j{{g?}}lh
130 ; CHECK: ldr %f0, %f2
132 %cond = icmp ne i64 %i1, -2147483648
133 %res = select i1 %cond, double %a, double %b
137 ; Check the next value down, which must use register comparison.
138 define double @f12(double %a, double %b, i64 %i1) {
141 ; CHECK-NEXT: j{{g?}}lh
142 ; CHECK: ldr %f0, %f2
144 %cond = icmp ne i64 %i1, -2147483649
145 %res = select i1 %cond, double %a, double %b