| David Green | 21a2973 | 2018-06-21 15:48:29 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -mtriple=armv8r-eabi -mcpu=cortex-r52 | FileCheck %s --check-prefix=CHECK --check-prefix=USEAA |
| 2 | ; RUN: llc < %s -mtriple=armv8r-eabi -mcpu=generic | FileCheck %s --check-prefix=CHECK --check-prefix=GENERIC |
| 3 | |
| 4 | ; Check we use AA during codegen, so can interleave these loads/stores. |
| 5 | |
| 6 | ; CHECK-LABEL: test |
| 7 | ; GENERIC: ldr |
| 8 | ; GENERIC: str |
| 9 | ; GENERIC: ldr |
| 10 | ; GENERIC: str |
| 11 | ; USEAA: ldr |
| 12 | ; USEAA: ldr |
| 13 | ; USEAA: str |
| 14 | ; USEAA: str |
| 15 | |
| 16 | define void @test(i32* nocapture %a, i32* noalias nocapture %b) { |
| 17 | entry: |
| 18 | %0 = load i32, i32* %a, align 4 |
| 19 | %add = add nsw i32 %0, 10 |
| 20 | store i32 %add, i32* %a, align 4 |
| 21 | %1 = load i32, i32* %b, align 4 |
| 22 | %add2 = add nsw i32 %1, 20 |
| 23 | store i32 %add2, i32* %b, align 4 |
| 24 | ret void |
| 25 | } |
| 26 | |