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]+]], [[R2]] 11; CHECK-NEXT: mov [[R5:r[0-9]+]], [[R1]] 12; CHECK: ldr [[R2]], {{\[}}[[R1]]{{\]}} 13; CHECK-NEXT: ldr [[R1]], {{\[}}[[R1]], #4] 14; CHECK: mov [[R6:r[0-9]+]], [[R2]] 15; CHECK-NEXT: mov [[R7:r[0-9]+]], [[R1]] 16 17define arm_aapcs_vfpcc i32 @main() #0 { 18entry: 19 %retval = alloca i32, align 4 20 store i32 0, i32* %retval, align 4 21 %0 = load i64, i64* @z, align 8 22 %1 = load i64, i64* @x, align 8 23 %2 = cmpxchg i64* @y, i64 %0, i64 %1 seq_cst seq_cst 24 %3 = extractvalue { i64, i1 } %2, 1 25 ret i32 0 26} 27