File: force-align-stack.ll

package info (click to toggle)
llvm-toolchain-3.5 1%3A3.5-10
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 282,028 kB
  • ctags: 310,872
  • sloc: cpp: 1,883,926; ansic: 310,731; objc: 86,612; python: 79,565; asm: 65,844; sh: 9,829; makefile: 6,057; perl: 5,589; ml: 5,254; pascal: 3,285; lisp: 1,640; xml: 686; cs: 239; csh: 117
file content (21 lines) | stat: -rw-r--r-- 823 bytes parent folder | download | duplicates (8)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
; RUN: llc < %s -relocation-model=static -force-align-stack | FileCheck %s
; Tests to make sure that we always align the stack out to the minimum needed - 
; in this case 16-bytes.
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32"
target triple = "i386-apple-darwin10.3"

define void @a() nounwind ssp {
entry:
; CHECK: _a:
; CHECK: andl    $-16, %esp
  %z = alloca <16 x i8>                           ; <<16 x i8>*> [#uses=2]
  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
  store <16 x i8> zeroinitializer, <16 x i8>* %z, align 16
  call void @b(<16 x i8>* %z) nounwind
  br label %return

return:                                           ; preds = %entry
  ret void
}

declare void @b(<16 x i8>*)