; REQUIRES: asserts ; RUN: llc < %s -mtriple=armv8r-eabi -mcpu=cortex-a57 -enable-misched -verify-misched -debug-only=machine-scheduler -o - 2>&1 > /dev/null | FileCheck %s --check-prefix=CHECK --check-prefix=A57_SCHED ; RUN: llc < %s -mtriple=armv8r-eabi -mcpu=generic -enable-misched -verify-misched -debug-only=machine-scheduler -o - 2>&1 > /dev/null | FileCheck %s --check-prefix=CHECK --check-prefix=GENERIC ; Check the latency for instructions for both generic and cortex-a57. ; SDIV should be scheduled at the block's begin (20 cyc of independent M unit). ; ; CHECK: ********** MI Scheduling ********** ; CHECK: foo:%bb.0 entry ; GENERIC: LDRi12 ; GENERIC: Latency : 1 ; GENERIC: EORrr ; GENERIC: Latency : 1 ; GENERIC: ADDrr ; GENERIC: Latency : 1 ; GENERIC: SDIV ; GENERIC: Latency : 0 ; GENERIC: SUBrr ; GENERIC: Latency : 1 ; A57_SCHED: SDIV ; A57_SCHED: Latency : 20 ; A57_SCHED: EORrr ; A57_SCHED: Latency : 1 ; A57_SCHED: LDRi12 ; A57_SCHED: Latency : 4 ; A57_SCHED: ADDrr ; A57_SCHED: Latency : 1 ; A57_SCHED: SUBrr ; A57_SCHED: Latency : 1 ; CHECK: ** Final schedule for %bb.0 *** ; GENERIC: LDRi12 ; GENERIC: SDIV ; A57_SCHED: SDIV ; A57_SCHED: LDRi12 ; CHECK: ********** INTERVALS ********** target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" target triple = "armv8r-arm-none-eabi" ; Function Attrs: norecurse nounwind readnone define hidden i32 @foo(i32 %a, i32 %b, i32 %c, i32* %d) local_unnamed_addr #0 { entry: %xor = xor i32 %c, %b %ld = load i32, i32* %d %add = add nsw i32 %xor, %ld %div = sdiv i32 %a, %b %sub = sub i32 %div, %add ret i32 %sub }