xref: /llvm-project/llvm/test/CodeGen/ARM/useaa.ll (revision 917afa883258757575ac6448e83a9233d7877333)
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=cortex-r52plus | FileCheck %s --check-prefix=CHECK --check-prefix=USEAA
3; RUN: llc < %s -mtriple=armv7m-eabi -mcpu=cortex-m4 | FileCheck %s --check-prefix=CHECK --check-prefix=USEAA
4; RUN: llc < %s -mtriple=armv8m-eabi -mcpu=cortex-m33 | FileCheck %s --check-prefix=CHECK --check-prefix=USEAA
5; RUN: llc < %s -mtriple=armv8r-eabi -mcpu=generic | FileCheck %s --check-prefix=CHECK --check-prefix=USEAA
6
7; Check we use AA during codegen, so can interleave these loads/stores.
8
9; CHECK-LABEL: test
10; USEAA: ldr
11; USEAA: ldr
12; USEAA: str
13; USEAA: str
14
15define void @test(ptr nocapture %a, ptr noalias nocapture %b) {
16entry:
17  %0 = load i32, ptr %a, align 4
18  %add = add nsw i32 %0, 10
19  store i32 %add, ptr %a, align 4
20  %1 = load i32, ptr %b, align 4
21  %add2 = add nsw i32 %1, 20
22  store i32 %add2, ptr %b, align 4
23  ret void
24}
25
26