File: arm64-redzone.ll

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (18 lines) | stat: -rw-r--r-- 546 bytes parent folder | download | duplicates (16) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
; RUN: llc < %s -mtriple=arm64-eabi -aarch64-redzone | FileCheck %s

define i32 @foo(i32 %a, i32 %b) nounwind ssp {
; CHECK-LABEL: foo:
; CHECK-NOT: sub sp, sp
; CHECK: ret
  %a.addr = alloca i32, align 4
  %b.addr = alloca i32, align 4
  %x = alloca i32, align 4
  store i32 %a, i32* %a.addr, align 4
  store i32 %b, i32* %b.addr, align 4
  %tmp = load i32, i32* %a.addr, align 4
  %tmp1 = load i32, i32* %b.addr, align 4
  %add = add nsw i32 %tmp, %tmp1
  store i32 %add, i32* %x, align 4
  %tmp2 = load i32, i32* %x, align 4
  ret i32 %tmp2
}