; REQUIRES: asserts ; RUN: llc < %s -mtriple=armv8r-eabi -mcpu=cortex-r52 -verify-misched -debug-only=machine-scheduler -o - 2>&1 > /dev/null | FileCheck %s --check-prefix=CHECK --check-prefix=R52_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-r52. ; Cortex-r52 machine model will cause the div to be sceduled before eor ; as div takes more cycles to compute than eor. ; ; CHECK: ********** MI Scheduling ********** ; CHECK: foo:%bb.0 entry ; CHECK: EORrr ; GENERIC: Latency : 1 ; R52_SCHED: Latency : 3 ; CHECK: MLA ; GENERIC: Latency : 2 ; R52_SCHED: Latency : 4 ; CHECK: SDIV ; GENERIC: Latency : 0 ; R52_SCHED: Latency : 8 ; CHECK: ** Final schedule for %bb.0 *** ; GENERIC: EORrr ; GENERIC: SDIV ; R52_SCHED: SDIV ; R52_SCHED: EORrr ; 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) local_unnamed_addr #0 { entry: %xor = xor i32 %c, %b %mul = mul nsw i32 %xor, %c %add = add nsw i32 %mul, %a %div = sdiv i32 %a, %b %sub = sub i32 %add, %div ret i32 %sub }