1 # RUN: llc %s -mtriple=s390x-linux-gnu -mcpu=z13 -start-before=postmisched \
2 # RUN: -debug-only=machine-scheduler -o - 2>&1 | FileCheck %s
5 # Test that the cycle index is the same before and after scheduling an
6 # instruction with 6 decoder slots.
8 # CHECK: ++ | Current cycle index: 3
9 # CHECK-NEXT: ++ | Resource counters: Z13_FXaUnit:2
10 # CHECK-NEXT: ** ScheduleDAGMI::schedule picking next node
11 # CHECK-NEXT: ** Available: {SU(3):DL/FXa(4cyc)/LSU/6uops/GroupsAlone, SU(6):LARL/FXa}
12 # CHECK-NEXT: ** Best so far: SU(3):DL/FXa(4cyc)/LSU/6uops/GroupsAlone Grouping cost:-1 Height:43
13 # CHECK-NEXT: ** Tried : SU(6):LARL/FXa Height:14
14 # CHECK-NEXT: ** Scheduling SU(3) Grouping cost:-1
15 # CHECK-NEXT: ++ HazardRecognizer emitting SU(3):DL/FXa(4cyc)/LSU/6uops/GroupsAlone
16 # CHECK-NEXT: ++ Decode group before emission: <empty>
17 # CHECK-NEXT: ++ Completed decode group: { SU(3):DL/FXa(4cyc)/LSU/6uops/GroupsAlone } (6 decoder slots)
18 # CHECK-NEXT: ++ | Current decoder group: <empty>
19 # CHECK-NEXT: ++ | Current cycle index: 3
23 ; ModuleID = '<stdin>'
24 source_filename = "<stdin>"
25 target datalayout = "E-m:e-i1:8:16-i8:8:16-i64:64-f128:64-v128:64-a:8:16-n32:64"
26 target triple = "s390x--linux-gnu"
28 %0 = type { i8, i8, i8, i8, i16, i32, i32, i32 }
30 @TTSize = external dso_local local_unnamed_addr global i32, align 4
31 @AS_TTable = external dso_local local_unnamed_addr global ptr, align 8
32 @Variant = external dso_local local_unnamed_addr global i32, align 4
34 define dso_local void @LearnStoreTT(i32 signext %arg, i32 zeroext %arg1, i32 signext %arg2) #0 {
36 %tmp = load i32, ptr @TTSize, align 4
37 %tmp3 = urem i32 %arg1, %tmp
38 %tmp4 = load ptr, ptr @AS_TTable, align 8
39 %tmp5 = zext i32 %tmp3 to i64
40 %tmp6 = load i32, ptr @Variant, align 4
41 %tmp7 = add i32 %tmp6, -3
42 %tmp8 = icmp ugt i32 %tmp7, 1
43 %tmp9 = select i1 %tmp8, i8 3, i8 1
44 store i8 %tmp9, ptr undef, align 1
45 store i32 %arg, ptr undef, align 4
46 %tmp10 = trunc i32 %arg2 to i8
47 store i8 %tmp10, ptr null, align 1
48 %tmp11 = getelementptr inbounds %0, ptr %tmp4, i64 %tmp5, i32 2
49 store i8 0, ptr %tmp11, align 2
53 attributes #0 = { "target-cpu"="z13" }
59 tracksRegLiveness: true
68 liveins: $r2d, $r3d, $r4d
70 $r1d = LGR $r3d, implicit-def $r0q
71 renamable $r3d = LARL @TTSize
72 renamable $r0d = LLILL 0, implicit killed $r0q, implicit-def $r0q
73 renamable $r0q = DL killed renamable $r0q, killed renamable $r3d, 0, $noreg :: (dereferenceable load (s32) from @TTSize)
74 renamable $r3d = LGRL @AS_TTable :: (dereferenceable load (s64) from @AS_TTable)
75 renamable $r1d = LLGFR renamable $r0l, implicit killed $r0q
76 renamable $r5d = LARL @Variant
77 renamable $r0l = LHI -3
78 renamable $r0l = A killed renamable $r0l, killed renamable $r5d, 0, $noreg, implicit-def dead $cc :: (dereferenceable load (s32) from @Variant)
79 CLFI killed renamable $r0l, 1, implicit-def $cc
80 renamable $r0l = LHI 1
81 renamable $r0l = LOCHI killed renamable $r0l, 3, 14, 2, implicit killed $cc
82 STC killed renamable $r0l, undef renamable $r1d, 0, $noreg :: (store (s8) into `ptr undef`)
83 ST renamable $r2l, undef renamable $r1d, 0, $noreg, implicit killed $r2d :: (store (s32) into `ptr undef`)
84 STC renamable $r4l, $noreg, 0, $noreg, implicit killed $r4d :: (store (s8) into `ptr null`)
85 renamable $r1d = MGHI killed renamable $r1d, 20
86 renamable $r0l = LHI 0
87 STC killed renamable $r0l, killed renamable $r3d, 2, killed renamable $r1d :: (store (s8) into %ir.tmp11, align 2)