File: arm64-volatile.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (27 lines) | stat: -rw-r--r-- 849 bytes parent folder | download | duplicates (12) 
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(ptr nocapture %bar) nounwind readonly {
; CHECK: normal_load
; CHECK: ldp
; CHECK-NEXT: add
; CHECK-NEXT: ret
  %add.ptr = getelementptr inbounds i64, ptr %bar, i64 1
  %tmp = load i64, ptr %add.ptr, align 8
  %add.ptr1 = getelementptr inbounds i64, ptr %bar, i64 2
  %tmp1 = load i64, ptr %add.ptr1, align 8
  %add = add nsw i64 %tmp1, %tmp
  ret i64 %add
}

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