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comparison test/CodeGen/SystemZ/fp-move-12.ll @ 120:1172e4bd9c6f

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update 4.0.0
author mir3636
date Fri, 25 Nov 2016 19:14:25 +0900
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children c2174574ed3a
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101:34baf5011add 120:1172e4bd9c6f
1 ; Test moves between FPRs on z13.
2 ;
3 ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
4
5 ; Test that we use LDR instead of LER.
6 define float @f1(float %a, float %b) {
7 ; CHECK-LABEL: f1:
8 ; CHECK: ldr %f0, %f2
9 ; CHECK: br %r14
10 ret float %b
11 }
12
13 ; Test f64 moves.
14 define double @f2(double %a, double %b) {
15 ; CHECK-LABEL: f2:
16 ; CHECK: ldr %f0, %f2
17 ; CHECK: br %r14
18 ret double %b
19 }
20
21 ; Test f128 moves. Since f128s are passed by reference, we need to force
22 ; a copy by other means.
23 define void @f3(fp128 *%x) {
24 ; CHECK-LABEL: f3:
25 ; CHECK: lxr
26 ; CHECK: axbr
27 ; CHECK: br %r14
28 %val = load volatile fp128 , fp128 *%x
29 %sum = fadd fp128 %val, %val
30 store volatile fp128 %sum, fp128 *%x
31 store volatile fp128 %val, fp128 *%x
32 ret void
33 }