File: useaa.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,436 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (28 lines) | stat: -rw-r--r-- 932 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
 
; RUN: llc < %s -mtriple=armv8r-eabi -mcpu=cortex-r52 | FileCheck %s --check-prefix=CHECK --check-prefix=USEAA
; RUN: llc < %s -mtriple=armv7m-eabi -mcpu=cortex-m4 | FileCheck %s --check-prefix=CHECK --check-prefix=USEAA
; RUN: llc < %s -mtriple=armv8m-eabi -mcpu=cortex-m33 | FileCheck %s --check-prefix=CHECK --check-prefix=USEAA
; RUN: llc < %s -mtriple=armv8r-eabi -mcpu=generic | FileCheck %s --check-prefix=CHECK --check-prefix=GENERIC

; Check we use AA during codegen, so can interleave these loads/stores.

; CHECK-LABEL: test
; GENERIC: ldr
; GENERIC: str
; GENERIC: ldr
; GENERIC: str
; USEAA: ldr
; USEAA: ldr
; USEAA: str
; USEAA: str

define void @test(i32* nocapture %a, i32* noalias nocapture %b) {
entry:
  %0 = load i32, i32* %a, align 4
  %add = add nsw i32 %0, 10
  store i32 %add, i32* %a, align 4
  %1 = load i32, i32* %b, align 4
  %add2 = add nsw i32 %1, 20
  store i32 %add2, i32* %b, align 4
  ret void
}