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comparison test/CodeGen/SystemZ/int-move-01.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
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-1:000000000000 0:95c75e76d11b
1 ; Test moves between GPRs.
2 ;
3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
4
5 ; Test 8-bit moves, which should get promoted to i32.
6 define i8 @f1(i8 %a, i8 %b) {
7 ; CHECK-LABEL: f1:
8 ; CHECK: lr %r2, %r3
9 ; CHECK: br %r14
10 ret i8 %b
11 }
12
13 ; Test 16-bit moves, which again should get promoted to i32.
14 define i16 @f2(i16 %a, i16 %b) {
15 ; CHECK-LABEL: f2:
16 ; CHECK: lr %r2, %r3
17 ; CHECK: br %r14
18 ret i16 %b
19 }
20
21 ; Test 32-bit moves.
22 define i32 @f3(i32 %a, i32 %b) {
23 ; CHECK-LABEL: f3:
24 ; CHECK: lr %r2, %r3
25 ; CHECK: br %r14
26 ret i32 %b
27 }
28
29 ; Test 64-bit moves.
30 define i64 @f4(i64 %a, i64 %b) {
31 ; CHECK-LABEL: f4:
32 ; CHECK: lgr %r2, %r3
33 ; CHECK: br %r14
34 ret i64 %b
35 }