1*9880d681SAndroid Build Coastguard Worker; REQUIRES: asserts 2*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=arm64-linux-gnu -mcpu=cortex-a57 -enable-misched=0 -debug-only=misched -o - 2>&1 > /dev/null | FileCheck %s 3*9880d681SAndroid Build Coastguard Worker; REQUIRES: asserts 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Worker@G = external global [0 x i32], align 4 6*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Worker; Check that MMOs are added to epilogue calle-save restore loads so 8*9880d681SAndroid Build Coastguard Worker; that the store to G is not considered dependant on the callee-save 9*9880d681SAndroid Build Coastguard Worker; loads. 10*9880d681SAndroid Build Coastguard Worker; 11*9880d681SAndroid Build Coastguard Worker; CHECK: Before post-MI-sched: 12*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: # Machine code for function test1: 13*9880d681SAndroid Build Coastguard Worker; CHECK: SU(2): STRWui %WZR 14*9880d681SAndroid Build Coastguard Worker; CHECK: SU(3): %X21<def>, %X20<def> = LDPXi %SP 15*9880d681SAndroid Build Coastguard Worker; CHECK: Predecessors: 16*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: out SU(0) 17*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: out SU(0) 18*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ch SU(0) 19*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: Successors: 20*9880d681SAndroid Build Coastguard Workerdefine void @test1() { 21*9880d681SAndroid Build Coastguard Workerentry: 22*9880d681SAndroid Build Coastguard Worker tail call void asm sideeffect "nop", "~{x20},~{x21},~{x22},~{x23}"() nounwind 23*9880d681SAndroid Build Coastguard Worker store i32 0, i32* getelementptr inbounds ([0 x i32], [0 x i32]* @G, i64 0, i64 0), align 4 24*9880d681SAndroid Build Coastguard Worker ret void 25*9880d681SAndroid Build Coastguard Worker} 26