File: inline-asm-stack-realign2.ll

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (16 lines) | stat: -rw-r--r-- 565 bytes parent folder | download | duplicates (15) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
; RUN: not llc -mtriple=i686-pc-win32 < %s 2>&1 | FileCheck %s

; FIXME: This is miscompiled due to our unconditional use of ESI as the base
; pointer.
; XFAIL: *

; CHECK: Stack realignment in presence of dynamic stack adjustments is not supported with inline assembly

define i32 @foo() {
entry:
  %r = alloca i32, align 16
  store i32 -1, ptr %r, align 16
  call void asm sideeffect "push %esi\0A\09xor %esi, %esi\0A\09mov %esi, $0\0A\09pop %esi", "=*m,~{flags},~{esi},~{esp},~{dirflag},~{fpsr},~{flags}"(ptr %r)
  %0 = load i32, ptr %r, align 16
  ret i32 %0
}