xref: /llvm-project/llvm/test/CodeGen/PowerPC/pr48527.ll (revision b922a3621116b404d868af8b74cab25ab78555be)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -relocation-model=pic -verify-machineinstrs -start-before=hardware-loops < %s \
3; RUN:   -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 | FileCheck %s
4
5; NOTE: this needs to run starting at HW loops to ensure that the original loop
6; does not end up producing a HW loop. If other passes are run prior, the loop
7; will be transformed.
8
9%struct.e.0.12.28.44.104.108.112.188 = type { i32 }
10%struct.t.1.13.29.45.105.109.113.189 = type { i64, i64 }
11
12@g = external local_unnamed_addr global %struct.e.0.12.28.44.104.108.112.188, align 4
13@aj = external thread_local local_unnamed_addr global %struct.t.1.13.29.45.105.109.113.189, align 8
14
15define void @_ZNK1q1rEv() local_unnamed_addr #0 align 2 {
16; CHECK-LABEL: _ZNK1q1rEv:
17; CHECK:       # %bb.0: # %entry
18; CHECK-NEXT:    mflr 0
19; CHECK-NEXT:    std 29, -24(1) # 8-byte Folded Spill
20; CHECK-NEXT:    std 30, -16(1) # 8-byte Folded Spill
21; CHECK-NEXT:    stdu 1, -64(1)
22; CHECK-NEXT:    std 0, 80(1)
23; CHECK-NEXT:    lwz 3, 0(3)
24; CHECK-NEXT:    addi 3, 3, -1
25; CHECK-NEXT:    clrldi 3, 3, 32
26; CHECK-NEXT:    addi 30, 3, 1
27; CHECK-NEXT:    addis 3, 2, .LC0@toc@ha
28; CHECK-NEXT:    ld 29, .LC0@toc@l(3)
29; CHECK-NEXT:    addis 3, 2, aj@got@tlsgd@ha
30; CHECK-NEXT:    addi 3, 3, aj@got@tlsgd@l
31; CHECK-NEXT:    bl __tls_get_addr(aj@tlsgd)
32; CHECK-NEXT:    nop
33; CHECK-NEXT:    addi 4, 3, 8
34; CHECK-NEXT:    .p2align 5
35; CHECK-NEXT:  .LBB0_1: # %monotonic.i
36; CHECK-NEXT:    #
37; CHECK-NEXT:    lwz 5, 0(29)
38; CHECK-NEXT:    andi. 5, 5, 255
39; CHECK-NEXT:    bne 0, .LBB0_4
40; CHECK-NEXT:  # %bb.2: # %for.cond.i
41; CHECK-NEXT:    #
42; CHECK-NEXT:    addi 30, 30, -1
43; CHECK-NEXT:    cmpldi 30, 0
44; CHECK-NEXT:    bc 12, 1, .LBB0_1
45; CHECK-NEXT:  # %bb.3:
46; CHECK-NEXT:    mr 4, 3
47; CHECK-NEXT:  .LBB0_4: # %if.end
48; CHECK-NEXT:    li 3, 1
49; CHECK-NEXT:    std 3, 0(4)
50; CHECK-NEXT:    addi 1, 1, 64
51; CHECK-NEXT:    ld 0, 16(1)
52; CHECK-NEXT:    ld 30, -16(1) # 8-byte Folded Reload
53; CHECK-NEXT:    ld 29, -24(1) # 8-byte Folded Reload
54; CHECK-NEXT:    mtlr 0
55; CHECK-NEXT:    blr
56entry:
57  %0 = load i32, ptr undef, align 4
58  br label %monotonic.i
59
60for.cond.i:                                       ; preds = %monotonic.i
61  %exitcond.not = icmp eq i32 %inc.i, %0
62  br i1 %exitcond.not, label %if.end, label %monotonic.i
63
64monotonic.i:                                      ; preds = %for.cond.i, %entry
65  %i.018.i = phi i32 [ %inc.i, %for.cond.i ], [ 0, %entry ]
66  %1 = load atomic i32, ptr @g monotonic, align 4
67  %conv.i = trunc i32 %1 to i8
68  %tobool.not.i = icmp eq i8 %conv.i, 0
69  %inc.i = add nuw nsw i32 %i.018.i, 1
70  br i1 %tobool.not.i, label %for.cond.i, label %if.end
71
72if.end:                                           ; preds = %monotonic.i, %for.cond.i
73  %.sink = phi ptr [ getelementptr inbounds (%struct.t.1.13.29.45.105.109.113.189, ptr @aj, i64 0, i32 1), %monotonic.i ], [ @aj, %for.cond.i ]
74  store i64 1, ptr %.sink, align 8
75  ret void
76}
77
78attributes #0 = { nounwind }
79