1; REQUIRES: asserts 2; RUN: llc < %s -mtriple=arm64-linux-gnu -mcpu=cortex-a57 -enable-misched=0 -debug-only=machine-scheduler -o - 2>&1 > /dev/null | FileCheck %s 3; REQUIRES: asserts 4 5@G = external dso_local global [0 x i32], align 4 6 7; Check that MMOs are added to epilogue calle-save restore loads so 8; that the store to G is not considered dependant on the callee-save 9; loads. 10; 11; CHECK: Before post-MI-sched: 12; CHECK-LABEL: # Machine code for function test1: 13; CHECK: SU(2): STRWui $wzr 14; CHECK: SU(3): $x21, $x20 = frame-destroy LDPXi $sp, 2 15; CHECK: Predecessors: 16; CHECK-NEXT: SU(0): Out 17; CHECK-NEXT: SU(0): Out 18; CHECK-NEXT: SU(0): Ord 19; CHECK-NEXT: Successors: 20define void @test1() { 21entry: 22 tail call void asm sideeffect "nop", "~{x20},~{x21},~{x22},~{x23}"() nounwind 23 store i32 0, ptr @G, align 4 24 ret void 25} 26