File: arm64-volatile.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (27 lines) | stat: -rw-r--r-- 849 bytes parent folder | download | duplicates (14)
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
}