; REQUIRES: asserts ; RUN: llc < %s -mtriple=arm64-linux-gnu -mcpu=cortex-a57 -enable-misched=0 -debug-only=misched -o - 2>&1 > /dev/null | FileCheck %s ; REQUIRES: asserts @G = external global [0 x i32], align 4 ; Check that MMOs are added to epilogue calle-save restore loads so ; that the store to G is not considered dependant on the callee-save ; loads. ; ; CHECK: Before post-MI-sched: ; CHECK-LABEL: # Machine code for function test1: ; CHECK: SU(2): STRWui %WZR ; CHECK: SU(3): %X21<def>, %X20<def> = LDPXi %SP ; CHECK: Predecessors: ; CHECK-NEXT: out SU(0) ; CHECK-NEXT: out SU(0) ; CHECK-NEXT: ch SU(0) ; CHECK-NEXT: Successors: define void @test1() { entry: tail call void asm sideeffect "nop", "~{x20},~{x21},~{x22},~{x23}"() nounwind store i32 0, i32* getelementptr inbounds ([0 x i32], [0 x i32]* @G, i64 0, i64 0), align 4 ret void }