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comparison test/CodeGen/SystemZ/int-cmp-25.ll @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
parents
children afa8332a0e37
comparison
equal deleted inserted replaced
-1:000000000000 0:95c75e76d11b
1 ; Test 16-bit inequality comparisons between memory and a constant.
2 ;
3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
4
5 ; Check the low end of the unsigned 16-bit range.
6 define double @f1(double %a, double %b, i16 *%ptr) {
7 ; CHECK-LABEL: f1:
8 ; CHECK: clhhsi 0(%r2), 0
9 ; CHECK-NEXT: jlh
10 ; CHECK: ldr %f0, %f2
11 ; CHECK: br %r14
12 %val = load i16 *%ptr
13 %cond = icmp ne i16 %val, 0
14 %res = select i1 %cond, double %a, double %b
15 ret double %res
16 }
17
18 ; Check the high end of the unsigned 16-bit range.
19 define double @f2(double %a, double %b, i16 *%ptr) {
20 ; CHECK-LABEL: f2:
21 ; CHECK: clhhsi 0(%r2), 65535
22 ; CHECK-NEXT: jlh
23 ; CHECK: ldr %f0, %f2
24 ; CHECK: br %r14
25 %val = load i16 *%ptr
26 %cond = icmp ne i16 %val, 65535
27 %res = select i1 %cond, double %a, double %b
28 ret double %res
29 }
30
31 ; Check the low end of the signed 16-bit range.
32 define double @f3(double %a, double %b, i16 *%ptr) {
33 ; CHECK-LABEL: f3:
34 ; CHECK: clhhsi 0(%r2), 32768
35 ; CHECK-NEXT: jlh
36 ; CHECK: ldr %f0, %f2
37 ; CHECK: br %r14
38 %val = load i16 *%ptr
39 %cond = icmp ne i16 %val, -32768
40 %res = select i1 %cond, double %a, double %b
41 ret double %res
42 }
43
44 ; Check the high end of the signed 16-bit range.
45 define double @f4(double %a, double %b, i16 *%ptr) {
46 ; CHECK-LABEL: f4:
47 ; CHECK: clhhsi 0(%r2), 32767
48 ; CHECK-NEXT: jlh
49 ; CHECK: ldr %f0, %f2
50 ; CHECK: br %r14
51 %val = load i16 *%ptr
52 %cond = icmp ne i16 %val, 32767
53 %res = select i1 %cond, double %a, double %b
54 ret double %res
55 }