1; RUN: llc -verify-machineinstrs -mtriple=armebv8-linux-gnueabi -O0 %s -o - | FileCheck %s 2 3@x = global i64 10, align 8 4@y = global i64 20, align 8 5@z = global i64 20, align 8 6 7; CHECK-LABEL: main: 8; CHECK: ldr [[R2:r[0-9]+]], [[[R1:r[0-9]+]]] 9; CHECK-NEXT: ldr [[R1]], [[[R1]], #4] 10; CHECK: mov [[R4:r[0-9]+]], [[R1]] 11; CHECK: ldr [[R5:r[0-9]+]], [[[R1]]] 12; CHECK-NEXT: ldr [[R6:r[0-9]+]], [[[R1]], #4] 13; CHECK: mov [[R7:r[0-9]+]], [[R6]] 14 15define arm_aapcs_vfpcc i32 @main() #0 { 16entry: 17 %retval = alloca i32, align 4 18 store i32 0, ptr %retval, align 4 19 %0 = load i64, ptr @z, align 8 20 %1 = load i64, ptr @x, align 8 21 %2 = cmpxchg ptr @y, i64 %0, i64 %1 seq_cst seq_cst 22 %3 = extractvalue { i64, i1 } %2, 1 23 ret i32 0 24} 25