File: arm64-volatile.ll

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-11
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,418,840 kB
  • sloc: cpp: 5,290,826; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,898; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,913; xml: 953; cs: 573; fortran: 539
file content (27 lines) | stat: -rw-r--r-- 859 bytes parent folder | download | duplicates (16)
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
; RUN: llc < %s -mtriple=arm64-eabi | FileCheck %s
define i64 @normal_load(i64* nocapture %bar) nounwind readonly {
; CHECK: normal_load
; CHECK: ldp
; CHECK-NEXT: add
; CHECK-NEXT: ret
  %add.ptr = getelementptr inbounds i64, i64* %bar, i64 1
  %tmp = load i64, i64* %add.ptr, align 8
  %add.ptr1 = getelementptr inbounds i64, i64* %bar, i64 2
  %tmp1 = load i64, i64* %add.ptr1, align 8
  %add = add nsw i64 %tmp1, %tmp
  ret i64 %add
}

define i64 @volatile_load(i64* nocapture %bar) nounwind {
; CHECK: volatile_load
; CHECK: ldr
; CHECK-NEXT: ldr
; CHECK-NEXT: add
; CHECK-NEXT: ret
  %add.ptr = getelementptr inbounds i64, i64* %bar, i64 1
  %tmp = load volatile i64, i64* %add.ptr, align 8
  %add.ptr1 = getelementptr inbounds i64, i64* %bar, i64 2
  %tmp1 = load volatile i64, i64* %add.ptr1, align 8
  %add = add nsw i64 %tmp1, %tmp
  ret i64 %add
}