File: force-align-stack.ll

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (21 lines) | stat: -rw-r--r-- 790 bytes parent folder | download | duplicates (16) 
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 -stackrealign | 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>                           ; <ptr> [#uses=2]
  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
  store <16 x i8> zeroinitializer, ptr %z, align 16
  call void @b(ptr %z) nounwind
  br label %return

return:                                           ; preds = %entry
  ret void
}

declare void @b(ptr)