File: alloca-align.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (22 lines) | stat: -rw-r--r-- 519 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
 
; RUN: llc -o - %s | FileCheck %s
target triple="arm--"

@glob = external global ptr

declare void @bar(ptr, ptr byval([20000 x i8]))

; CHECK-LABEL: foo:
; We should see the stack getting additional alignment
; CHECK: sub sp, sp, #16
; CHECK: bic sp, sp, #31
; And a base pointer getting used.
; CHECK: mov r6, sp
; Which is passed to the call
; CHECK: mov r0, r6
; CHECK: bl bar
define void @foo(ptr %addr) {
  %tmp = alloca [4 x i32], align 32
  call void @bar(ptr %tmp, ptr byval([20000 x i8]) %addr)
  ret void
}