xref: /llvm-project/llvm/test/CodeGen/PowerPC/pr47155-47156.ll (revision d6aef863d83e5a352e78a0211a935a59efda0a0c)
1; REQUIRES: asserts
2
3; RUN: llc < %s -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \
4; RUN:   -stop-after=postmisched -debug-only=machine-scheduler 2>&1 >/dev/null | FileCheck %s
5
6define void @pr47155() {
7; CHECK: *** Final schedule for %bb.0 ***
8; CHECK: ********** MI Scheduling **********
9; CHECK-NEXT: pr47155:%bb.0 entry
10; CHECK:      SU(0):   INLINEASM &"mtlr 31"{{.*}}implicit-def early-clobber $lr
11; CHECK:      Successors:
12; CHECK-NEXT:   SU(1): Out  Latency=0
13; CHECK-NEXT:   SU(1): Ord  Latency=0 Barrier
14; CHECK-NEXT: SU(1):   INLINEASM &"mtlr 31"{{.*}}implicit-def early-clobber $lr8
15; CHECK:      Predecessors:
16; CHECK-NEXT:   SU(0): Out  Latency=0
17; CHECK-NEXT:   SU(0): Ord  Latency=0 Barrier
18; CHECK-NEXT: ExitSU:
19entry:
20  call void asm sideeffect "mtlr 31", "~{lr}"()
21  call void asm sideeffect "mtlr 31", "~{lr8}"()
22  ret void
23}
24
25define void @pr47156(ptr %fn) {
26; CHECK: *** Final schedule for %bb.0 ***
27; CHECK: ********** MI Scheduling **********
28; CHECK-NEXT: pr47156:%bb.0 entry
29; CHECK:      SU(0):   INLINEASM &"mtctr 31"{{.*}}implicit-def early-clobber $ctr
30; CHECK:      Successors:
31; CHECK-NEXT:   SU(1): Out  Latency=0
32; CHECK-NEXT: SU(1):   MTCTR8 renamable $x3, implicit-def $ctr8
33; CHECK:      Predecessors:
34; CHECK-NEXT:   SU(0): Out  Latency=0
35; CHECK-NEXT: Successors:
36; CHECK-NEXT:  ExitSU:
37; CHECK-NEXT: SU(2):
38entry:
39  call void asm sideeffect "mtctr 31", "~{ctr}"()
40  tail call void %fn()
41  ret void
42}
43
44