1# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z13 -start-before=greedy %s -o - \
2# RUN:   | FileCheck %s
3#
4# Test that regalloc hints work for LOCRMux when a 128bit register is
5# involved.
6
7
8--- |
9  ; ModuleID = 'tc.ll'
10  source_filename = "bugpoint-output-126c57d.bc"
11  target datalayout = "E-m:e-i1:8:16-i8:8:16-i64:64-f128:64-v128:64-a:8:16-n32:64"
12  target triple = "s390x--linux-gnu"
13
14  @g_74 = external global i32, align 4
15
16  ; Function Attrs: nounwind
17  define void @main() local_unnamed_addr #0 {
18  entry:
19    %0 = load i32, i32* @g_74, align 4
20    %conv478.i.i = sext i32 %0 to i64
21    %cond.i15.i.i = lshr i32 1, 0
22    %conv2.i16.i.i = zext i32 %cond.i15.i.i to i64
23    %rem.i12.i.i = urem i64 %conv2.i16.i.i, %conv478.i.i
24    %conv480.i.i = trunc i64 %rem.i12.i.i to i32
25    %1 = icmp ult i32 %conv480.i.i, -663124367
26    %rem.i.i.i = select i1 %1, i32 %conv480.i.i, i32 undef
27    %tobool482.i.i = icmp eq i32 %rem.i.i.i, 0
28    br i1 %tobool482.i.i, label %for.inc591.1.i.i, label %cleanup584.i.i
29
30  cleanup584.i.i:                                   ; preds = %entry
31    unreachable
32
33  for.inc591.1.i.i:                                 ; preds = %entry
34    unreachable
35  }
36
37  attributes #0 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="z13" "target-features"="+transactional-execution,+vector" "unsafe-fp-math"="false" "use-soft-float"="false" }
38
39  !llvm.ident = !{!0}
40
41  !0 = !{!"clang version 6.0.0"}
42
43...
44
45# CHECK: locr
46# CHECK-NOT: risblg
47
48---
49name:            main
50alignment:       4
51tracksRegLiveness: true
52registers:
53  - { id: 0, class: gr64bit }
54  - { id: 1, class: gr64bit }
55  - { id: 2, class: gr128bit }
56  - { id: 3, class: gr128bit }
57  - { id: 4, class: gr64bit }
58  - { id: 5, class: grx32bit }
59  - { id: 6, class: grx32bit }
60  - { id: 7, class: grx32bit }
61  - { id: 8, class: gr128bit }
62  - { id: 9, class: gr128bit }
63  - { id: 10, class: gr64bit }
64body:             |
65  bb.0.entry:
66    %0:gr64bit = LGFRL @g_74 :: (dereferenceable load 4 from @g_74)
67    undef %3.subreg_l64:gr128bit = LGHI 1
68    %3.subreg_h64:gr128bit = LLILL 0
69    %3:gr128bit = DLGR %3, %0
70    CLFIMux %3.subreg_hl32, 3631842929, implicit-def $cc
71    %6:grx32bit = LOCRMux undef %6, %3.subreg_hl32, 14, 4, implicit killed $cc
72    CHIMux %6, 0, implicit-def $cc
73    BRC 14, 8, %bb.2.for.inc591.1.i.i, implicit killed $cc
74    J %bb.1.cleanup584.i.i
75
76  bb.1.cleanup584.i.i:
77    successors:
78
79
80  bb.2.for.inc591.1.i.i:
81
82...
83