File: useaa.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (28 lines) | stat: -rw-r--r-- 926 bytes parent folder | download | duplicates (5)
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: ldr
; GENERIC: str
; GENERIC: str
; USEAA: ldr
; USEAA: ldr
; USEAA: str
; USEAA: str

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