forked from OSchip/llvm-project
30 lines
968 B
YAML
30 lines
968 B
YAML
# RUN: llc -o /dev/null %s -mtriple=aarch64-- -run-pass=machine-scheduler -enable-misched -debug-only=machine-scheduler 2>&1 | FileCheck %s
|
|
# REQUIRES: asserts
|
|
--- |
|
|
define void @func() { ret void }
|
|
...
|
|
---
|
|
# Check that the instructions are not dependent on each other, even though
|
|
# they all read/write to the zero register.
|
|
# CHECK-LABEL: MI Scheduling
|
|
# CHECK: SU(0): %wzr<def,dead> = SUBSWri %w1, 0, 0, %nzcv<imp-def,dead>
|
|
# CHECK: # succs left : 0
|
|
# CHECK-NOT: Successors:
|
|
# CHECK: SU(1): %w2<def> = COPY %wzr
|
|
# CHECK: # succs left : 0
|
|
# CHECK-NOT: Successors:
|
|
# CHECK: SU(2): %wzr<def,dead> = SUBSWri %w3, 0, 0, %nzcv<imp-def,dead>
|
|
# CHECK: # succs left : 0
|
|
# CHECK-NOT: Successors:
|
|
# CHECK: SU(3): %w4<def> = COPY %wzr
|
|
# CHECK: # succs left : 0
|
|
# CHECK-NOT: Successors:
|
|
name: func
|
|
body: |
|
|
bb.0:
|
|
dead %wzr = SUBSWri %w1, 0, 0, implicit-def dead %nzcv
|
|
%w2 = COPY %wzr
|
|
dead %wzr = SUBSWri %w3, 0, 0, implicit-def dead %nzcv
|
|
%w4 = COPY %wzr
|
|
...
|