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# RUN: llc -mtriple=arm64-apple-macos -mcpu=apple-m1 -sched-print-cycles=true \
# RUN: -run-pass=machine-scheduler -debug-only=machine-scheduler -o - %s 2>&1 | FileCheck %s
# RUN: llc -mtriple=arm64-apple-macos -mcpu=apple-m1 -sched-print-cycles=false \
# RUN: -run-pass=machine-scheduler -debug-only=machine-scheduler -o - %s 2>&1 | FileCheck %s --check-prefix=NOCYCLES
# REQUIRES: asserts
---
name: mul_mul
tracksRegLiveness: true
body: |
bb.0:
liveins: $x0
$x1 = ADDXrr $x0, $x0
$x2 = ADDXrr $x1, $x1
$x3 = ADDXrr $x2, $x2
$x4 = ADDXrr $x2, $x2
# CHECK-LABEL: *** Final schedule for %bb.0 ***
# CHECK-NEXT: SU(0) [TopReadyCycle = 0, BottomReadyCycle = 0]: $x1 = ADDXrr $x0, $x0
# CHECK-NEXT: SU(1) [TopReadyCycle = 0, BottomReadyCycle = 1]: $x2 = ADDXrr $x1, $x1
# CHECK-NEXT: SU(2) [TopReadyCycle = 1, BottomReadyCycle = 0]: $x3 = ADDXrr $x2, $x2
# CHECK-NEXT: SU(3) [TopReadyCycle = 1, BottomReadyCycle = 0]: $x4 = ADDXrr $x2, $x2
# NOCYCLES-LABEL: *** Final schedule for %bb.0 ***
# NOCYCLES-NEXT: SU(0): $x1 = ADDXrr $x0, $x0
# NOCYCLES-NEXT: SU(1): $x2 = ADDXrr $x1, $x1
# NOCYCLES-NEXT: SU(2): $x3 = ADDXrr $x2, $x2
# NOCYCLES-NEXT: SU(3): $x4 = ADDXrr $x2, $x2
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