| ; RUN: llc -verify-machineinstrs -mtriple=armebv8-linux-gnueabi -O0 %s -o - | FileCheck %s |
| |
| @x = global i64 10, align 8 |
| @y = global i64 20, align 8 |
| @z = global i64 20, align 8 |
| |
| ; CHECK_LABEL: main: |
| ; CHECK: ldr [[R2:r[0-9]+]], {{\[}}[[R1:r[0-9]+]]{{\]}} |
| ; CHECK-NEXT: ldr [[R1]], {{\[}}[[R1]], #4] |
| ; CHECK: mov [[R4:r[0-9]+]], [[R2]] |
| ; CHECK-NEXT: mov [[R5:r[0-9]+]], [[R1]] |
| ; CHECK: ldr [[R2]], {{\[}}[[R1]]{{\]}} |
| ; CHECK-NEXT: ldr [[R1]], {{\[}}[[R1]], #4] |
| ; CHECK: mov [[R6:r[0-9]+]], [[R2]] |
| ; CHECK-NEXT: mov [[R7:r[0-9]+]], [[R1]] |
| |
| define arm_aapcs_vfpcc i32 @main() #0 { |
| entry: |
| %retval = alloca i32, align 4 |
| store i32 0, i32* %retval, align 4 |
| %0 = load i64, i64* @z, align 8 |
| %1 = load i64, i64* @x, align 8 |
| %2 = cmpxchg i64* @y, i64 %0, i64 %1 seq_cst seq_cst |
| %3 = extractvalue { i64, i1 } %2, 1 |
| ret i32 0 |
| } |
